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EP3342005A1 - Electric terminal block - Google Patents

Electric terminal block

Info

Publication number
EP3342005A1
EP3342005A1 EP16757612.3A EP16757612A EP3342005A1 EP 3342005 A1 EP3342005 A1 EP 3342005A1 EP 16757612 A EP16757612 A EP 16757612A EP 3342005 A1 EP3342005 A1 EP 3342005A1
Authority
EP
European Patent Office
Prior art keywords
plug
terminal
contact
terminal block
current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16757612.3A
Other languages
German (de)
French (fr)
Other versions
EP3342005B1 (en
Inventor
Christian KLOPPENBURG
Dennis HABIROV
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Publication of EP3342005A1 publication Critical patent/EP3342005A1/en
Application granted granted Critical
Publication of EP3342005B1 publication Critical patent/EP3342005B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/223—Insulating enclosures for terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2625—Clip-on terminal blocks for side-by-side rail- or strip-mounting with built-in electrical component
    • H01R9/2666—Clip-on terminal blocks for side-by-side rail- or strip-mounting with built-in electrical component with built-in test-points
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • H01R13/7031—Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity
    • H01R13/7033—Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity making use of elastic extensions of the terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/2491—Terminal blocks structurally associated with plugs or sockets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/20—Connectors or connections adapted for particular applications for testing or measuring purposes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/58—Contacts spaced along longitudinal axis of engagement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2625—Clip-on terminal blocks for side-by-side rail- or strip-mounting with built-in electrical component
    • H01R9/2633—Clip-on terminal blocks for side-by-side rail- or strip-mounting with built-in electrical component with built-in switch

Definitions

  • the invention relates to an electrical terminal, with a terminal housing, with at least two conductor connection elements arranged therein and with two current bars, each having a connection portion and at least one resilient contact portion, according to the preamble of claim 1.
  • the invention also relates to a terminal block consisting of at least two juxtaposed terminal blocks and at least one jumper, which has at least two legs.
  • Electrical terminal blocks have been used millions of times in the wiring of electrical equipment and devices for decades.
  • the terminals are often snapped onto mounting rails, which in turn can be arranged in a plurality in a control cabinet.
  • terminal blocks may also be attached to several than terminal block in a wall opening, in particular in an opening in a Wegsclirankm. This has the advantage that one side of the terminals, the operator side, is accessible from outside the control cabinet without the control cabinet having to be opened, while the other side of the terminal, the connection side, is only accessible when the control cabinet is open.
  • Terminal blocks often use screw terminals or spring-cage terminals as conductor connection elements.
  • the clamping principle of tension spring clamps is similar to that of screwdriving technology. While with screw terminals a tension sleeve pulls the conductor against the current bar by the actuation of the clamping screw, this task takes over the tension spring at the tension spring clamp.
  • cutting terminals and leg spring terminals are increasingly being used, which have the advantage over spring-cage terminals that the terminal for inserting a conductor does not have to be opened with the aid of a tool.
  • Electrical terminal blocks are often connection terminals, so that they have at least two conductor connection elements which are electrically connected to one another via an electrically conductive connection rail, the current limb. are bound.
  • this basic type of terminal block which is often referred to as a through terminal
  • Protective conductor terminals, knife disconnect terminals and installation terminals are examples here.
  • disconnect terminals In switching, test and control technology, through-type terminals with isolation capability are frequently used, which are therefore sometimes referred to as disconnect terminals.
  • the realized in such terminal block separation option, d. H. the separation point provided in the current bar makes it possible to insert different plugs with different functions into the terminal block, which then contact the current bar at the point of separation.
  • test plugs which can have special components and make it possible to check the proper functioning of the circuit connected to the terminal block can be used in particular as plugs.
  • the electrical terminal blocks are generally disc-shaped, they are usually plugged together with several other electrical terminal blocks to a terminal block. In such a terminal block can then be plugged into the number of terminal blocks corresponding number of test plugs.
  • Terminal blocks with disconnecting points are used in particular for connecting current transformers.
  • An important feature in this case is that a connected CT is short-circuited when the secondary circuit is disconnected from the load.
  • a terminal block is known from which the present invention proceeds.
  • This document also discloses a test plug and one of a plurality of juxtaposed terminal blocks and a corresponding number of test plugs existing sketchklemmblock.
  • the individual terminal blocks each have two current bars whose contact sections contact each other when the plug of a test plug is not inserted into the contact area formed by the contact sections. If the plug of a test plug is fully plugged into the contact area, the two contact pins sections separated by the plug, wherein the current flow is then stirred via the plug, so that a test procedure can be performed.
  • the terminal block and the associated test plug thus operate according to the opener principle, since the connection between the two current bars of the terminal block is opened when the plug, which has two mutually insulated metal sections, is plugged into the contact area.
  • the current bars are formed in the known electrical terminal block so that they form two contact areas, which are arranged one behind the other in the insertion direction of the plug.
  • a defined second contact region which is arranged in the insertion direction of the plug in front of the first contact area, it is ensured that when inserting the plug first comes to a secure electrical connection between the metal portions of the plug of the test plug and the two current bars before the first contact area is opened during further insertion of the plug and thereby the two current bars are electrically separated from each other.
  • Transverse bridging to an adjacent terminal block takes place in this test plug-in system by inserting the test terminal block into the terminal block, whereby a jumper must be plugged into two adjacent test terminals of the test terminal block.
  • an electrical terminal in the form of a test terminal is known.
  • two conductor connection elements and two current bars are also arranged in the housing.
  • the two current bars additionally have a second contact section.
  • the first contact portions are spaced apart and are electrically connected to each other only when the plug is plugged into the plug, so that this terminal operates on the NO principle.
  • two more Strombalken sharede are arranged in the housing, wherein in at least one of the Strombalken Faste a recess is designed for insertion of a leg of a jumper.
  • one of the current bar pieces is assigned to one of the current bars such that the second contact portion of a current bar contacts the associated current bar piece due to the spring force of the current bar when no plug is inserted.
  • the current bars of the terminal block are then connected in each case electrically connected to their connection section with the conductor connection element and with their second contact section to the respective current bar section. If a plug of a test plug is inserted into the contact region, the two current bars are deflected so that the second contact section of a current bar is spaced from the associated current bar piece.
  • the present invention has for its object to provide an electrical terminal described above, which is particularly well suited for the connection of current transformers, it being ensured that a cross connection between two conductor connection elements of two adjacent terminal blocks automatically when a test - Or disconnect plug is attached to the terminal blocks.
  • two leading spring elements are arranged in the terminal housing in the terminal block, so that when inserting the plug of a test or disconnect plug it is first contacted by the contact portions of the spring elements before the plug meets the contact portions of the current bar and contacted them as well. Before the plug of a test or disconnect plug thus separates the contact between the contact portions of the two current bars, an electrical contact between the plug and the additional spring elements is made. About the plug of a test or disconnect plug inserted into the terminal then takes place an electrically conductive connection between each one spring element and the associated current bar.
  • the resilient contact portions of the two spring elements are each formed approximately C-shaped or V-shaped.
  • the two mutually facing contact portions of the two spring elements serve as a kind of insertion funnel for the plug of convenientlysteckenden test or disconnect plug, so that the risk of tilting is minimized and the plug is performed simultaneously in the contact area. Due to the design and bending of the contact sections of the spring elements, the contact force acting on the plug-in connector from the spring elements can be easily adapted to the respective requirements.
  • the two spring elements in addition to the contact portion on a connecting portion, in which the receptacle is designed for inserting a leg of a jumper.
  • the spring elements can be formed approximately S-shaped overall, wherein the connection tion sections are also used for secure fixing and mounting of the spring elements in the terminal housing.
  • the preparation of the spring elements can be further simplified if a recess from the corresponding spring element, in particular its connecting portion, is punched out as a receptacle for inserting a leg of a jumper.
  • the spring elements can then be made particularly simple as stamped and bent parts.
  • the two current bars each have a second resilient contact portion, wherein the two second contact portions are slightly spaced from each other and together form a second contact area for a plug of a test or disconnect plug.
  • the current bars are designed so that the second contact region of the current bar between the first contact region of the current bar and the contact region of the two spring elements is arranged. In the plug-in direction of the plug, the second contact region of the current bars is thus located in front of the first contact region and behind the contact region of the two spring elements.
  • the formation of the second contact region on the current bar ensures that an inserted plug of a test or disconnect plug first connects the spring elements to the respective current bar before the electrical contact of the two current bars in the first contact region is separated by the insertion of the plug.
  • the plug of a test or disconnect plug is plugged into the electrical terminal block, this initially leads to the plug contacting the contact sections of the two spring elements with its two mutually insulated plug metals. If the plug is further inserted into the electrical terminal, the plug metals of the plug additionally contact a respective second resilient contact section of the current bars, so that in each case a spring element is electrically conductively connected via a plug metal of the plug to a current bar. Only when the plug is inserted even further into the terminal block, the electrical contact between the first contact sections of the two current bars by the Ste- cker disconnected, so that then the conductor connection elements are no longer electrically connected to each other.
  • the two current bars can be made by punching and subsequent turning and turning of metal pieces.
  • the two current bars preferably each consist of two individual metal strips, which are electrically conductively connected to one another, in particular welded, soldered or riveted together.
  • the terminal portion of a current bar may then be formed by the first metal strip and the contact portion or portions of the current bar may be formed by the second metal strip.
  • the connecting portion forming the first metal strip may be relatively rigid, while the second metal strip itself is formed as a contact spring.
  • the contact spring can be bent approximately C-shaped, with the first end of the contact spring forming the first contact section and the second end of the contact spring forming the second contact section.
  • the object underlying the invention is achieved in that inserted in at least one spring element of the first terminal and the corresponding spring element of the second terminal each have a leg of the jumper is.
  • two conductor connection elements of the two terminal blocks are electrically conductively connected to each other when in the two terminal blocks in each case a plug of a test or disconnect plug is inserted, via which in each case a spring element is electrically connected to the associated current bar.
  • the electrical terminal blocks which together form the terminal block, are each disc-shaped. So that several terminal blocks together can form a terminal block, the individual terminal blocks are preferably mechanically interconnected, for which purpose the terminal blocks are snapped together via formed in the terminal housing corresponding locking elements.
  • the locking elements preferably consist of on one side of the terminal housing arranged locking pin and corresponding recesses which are formed in the other side of the terminal housing.
  • Fig. 1 shows an embodiment of an electrical terminal, in
  • Fig. 3 is a terminal, with a not yet fully inserted
  • Fig. 6 is a perspective view of a plurality of terminal blocks existing terminal block.
  • the illustrated in Fig. 1 inventive electrical terminal 1 has a terminal housing 2 made of plastic, which can be used and fixed in the illustrated embodiment in an opening of a wall, in particular a control cabinet wall.
  • a terminal housing 2 made of plastic, which can be used and fixed in the illustrated embodiment in an opening of a wall, in particular a control cabinet wall.
  • two conductor connection elements 3, 4 are arranged, which in the present case are screw terminals.
  • connection elements such as spring-loaded terminals, leg spring terminals or insulation displacement terminals can be used as conductor connection elements.
  • two current bars 5, 6 are arranged in the terminal housing 2, which are of the same design and arranged mirror-symmetrically to each other.
  • the current bars 5, 6 each have at their one end a connection portion 7, 7, which is assigned to one of the two conductor connection elements 3, 4, ie, is inserted into the screw terminals.
  • the two conductor connection elements 3, 4 each still have a first contact section 8, 8 ', which together form a resilient first contact region 9 for receiving the plug 10 of a test plug 11 shown in FIG. 2 or a separating plug 29 shown in FIG.
  • the two contact sections 8, 8 ' make contact when no plug 10 is inserted, so that the two conductor connection elements 3, 4 are in the ground state via the two current bars 5, 6 - no test plugs 11 or separator 29 introduced - are electrically connected to each other.
  • the electrical terminal 1 also has two arranged in the terminal housing 2 spring elements 12, 13, which in the ground state of the terminal block 1 of FIG. 1, i. not plugged test plug 11 are not electrically connected to the current bar 5, 6.
  • the two spring elements 12, 13 each have a resilient contact portion 14, 14 ', wherein the spring elements 12, 13 are mirror-symmetrical to each other, that the contact portions 14, 14' another contact area 15 for a plug 10 of a test plug 11 or a separating plug 29 form.
  • the contact portion 14, 14 ' may have, as shown in the figures, a distance from each other, so that they do not contact. In principle, however, the contact sections 14, 14 'can also be designed and arranged such that the contact sections 14, 14' make contact when no plug 10 is inserted.
  • the spring elements 12, 13 serve to produce a transverse bridging between two terminal block 1 in a simple manner.
  • a recess 16 is formed as a receptacle for a leg 17 of a jumper 18 in at least one of the two spring elements 12, 13.
  • two spring elements 12 or 13 are then electrically connected to one another via the two legs 17 of a jumper 18.
  • the plug 10 of a test plug 11 is plugged into a terminal 1, this leads to a respective spring element 12, 13 being electrically conductively connected to the associated current bar 5, 6 via a plug metal 19, 19 '.
  • the two current bars 5, 6 are separated from each other in the first contact region 9 by the plug 10, so that then the two conductor connection elements 3, 4 are no longer electrically connected to one another via the current bars 5, 6.
  • the spring elements 12, 13, which can be produced simply by punching out and then bending off a metal strip, each have, in addition to the approximately C-shaped contact sections 14, 14 ', a substantially straight connection.
  • the spring elements 12, 13 thus have an approximately S-shaped configuration, wherein the spring elements 12, 13 are preferably secured in the terminal housing 2 via correspondingly formed projections.
  • the current bars 5, 6 each have a second resilient contact section 21, 2 ⁇ .
  • the second contact portions 21, 2 ⁇ which have a distance from one another, together form a second contact region 22, which in the plug-in direction E of the plug 10 in front of the first contact region 9 of the current bars 5, 6 and behind the contact region 15 of the spring elements 12, 13 is arranged.
  • the two plug metals 19, 19 'thus When inserting the plug 10 into the terminal 1, the two plug metals 19, 19 'thus first contact the contact portions 14, 14' of the two spring elements 12, 13 and the second contact portions 21, 2 of the current bars 5, 6, so that the spring elements 12, 13 are connected to the current bars 5, 6 via the plug metals 19, 19 'electrical, as shown in Fig. 3. Only when the plug 10 is further inserted, it enters the first contact region 9, whereby the first contact portions 8, 8 'of the current bars 5, 6 are separated from each other.
  • the two current bars 5, 6 each consist of two individual elongated metal strips 23, 24 which are soldered, welded or riveted together in the transition region.
  • connection sections 7, 7 ' are each formed by the first angled metal strip 23, whose ends remote from the second metal strip 24 each protrude into the clamping body of a screw terminal 3, 4. While the first metal strips 23 are relatively rigid, the overall approximately second C-shaped metal strips 24 are designed as contact springs, whereby the contact forces required in the first contact region 9 and in the second contact region 22 can be realized in a simple manner.
  • the current bars 5, 6 optimally adapted to the different requirements in the connection section 7, 7 'on the one hand and in the contact areas 9, 22 on the other. In Fig.
  • FIG. 4 is a two terminal blocks 1, existing terminal block is shown, wherein the two terminal blocks 1, ⁇ are connected to each other via a jumper 18, the two plugs 17 are each inserted into a recess 16 in a spring element 12 of the two terminal blocks 1 ,
  • an opening 25 for inserting the plug 10 of a test plug 11 into the contact areas 9, 15 and 22 is formed centrally in each case.
  • an opening 25 for inserting the plug 10 of a test plug 11 into the contact areas 9, 15 and 22 is formed centrally in each case.
  • the openings 25, 26 are accessible from the first side 27, the operator side of the terminal block 1 from.
  • This has the advantage that in the case of an arrangement of the terminal block 1 or of a corresponding terminal block in an opening of a cabinet door, both a test plug 11 and a jumper 18 can be plugged into the terminal blocks 1 without the control cabinet door having to be opened for this purpose .
  • Another advantage is that the jumpers 18 are clearly visible to the operator from the front, which also clearly indicates to which terminal blocks current transformers are connected.
  • the connection of the electrical lines, for example, a current transformer takes place from the second side 28, the connection side of the terminal 1, which is then located within the cabinet.
  • a separating plug 29 can be inserted into the opening 25 in the terminal housing 2.
  • a test plug 11 two juxtaposed such isolating connector 29 are shown, which can be inserted, for example, in the two terminal blocks 1, ⁇ shown in Fig. 4.
  • the isolating plug 29 also has a plug 10 with two plug-in metals 19, 19 'insulated from one another.
  • a grip area 20, in which a license plate 31 can be fastened, is additionally formed on the separating plug 29.
  • Fig. 6 a consisting of several terminal blocks 1 terminal block is shown.
  • a mounting clip 32 is arranged, which serve for easy and secure attachment of the terminal block in an opening of a cabinet door.
  • a fixing element 34 is slidably disposed in the terminal housing 33 of the mounting clamp 32, which can be moved by means of an actuating element, such as a screwdriver in a clamping position.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The invention relates to an electric terminal block (1) comprising a terminal housing (2), two conductor connection elements (3, 4) arranged in the housing, and two current bars (5, 6). Each of the current bars (5, 6) has a connection portion (7, 7') and at least one first elastic contact portion (8, 8'). Each of the connection portions (7, 7') is paired with a respective conductor connection element (3, 4), and the contact portions (8, 8') together form a contact region (9) for receiving and contacting the plug (10) of a test plug (11) or disconnecting plug (29). The contact portions (8, 8') contact each other when no plug (10) is plugged in such that the two conductor connection elements (3, 4) are electrically connected together via the two current bars (5, 6). In the terminal block (1) according to the invention, a transverse connection between two conductor connection elements of two adjacent terminal blocks (1, 1') is produced automatically when a test plug (11) or disconnecting plug (29) is plugged onto the terminal blocks (1, 1') in that the terminal housing (2) is equipped with two spring elements (12, 13), each of which has an elastic contact portion (14, 14'); the contact portions (14, 14') of the two spring elements (12, 13) together form an additional contact region (15) for the plug (10), said contact region being arranged in front of the contact region (9) of the current bars (5, 6) in the plug-in direction (E) of the plug (10); and at least one of the spring elements (12, 13) has a receiving area (16) for a limb (17) of a plug-in bridge (18). A respective spring element (12, 13) is connected to a current bar (5, 6) in an electrically conductive manner via the plug (10) when the plug (10) is plugged into the terminal block (1).

Description

Elektrische Reihenklemme  Electrical terminal block

Die Erfindung betrifft eine elektrische Reihenklemme, mit einem Klemmengehäuse, mit mindestens zwei darin angeordneten Leiteranschlusselementen und mit zwei Strombalken, die jeweils einen Anschlussabschnitt und mindestens einen federnden Kontaktabschnitt aufweisen, gemäß dem Oberbegriff des Patentanspruchs 1. Daneben betrifft die Erfindung noch einen Reihenklemmenblock bestehend aus mindestens zwei nebeneinander angeordnete Reihenklemmen und mindestens einer Steckbrücke, die mindestens zwei Schenkel auf- weist. The invention relates to an electrical terminal, with a terminal housing, with at least two conductor connection elements arranged therein and with two current bars, each having a connection portion and at least one resilient contact portion, according to the preamble of claim 1. In addition, the invention also relates to a terminal block consisting of at least two juxtaposed terminal blocks and at least one jumper, which has at least two legs.

Elektrische Reihenklemmen werden seit Jahrzehnten millionenfach bei der Verdrahtung elektrischer Anlagen und Geräte verwendet. Die Klemmen werden häufig auf Tragschienen aufgerastet, die ihrerseits in einer Mehrzahl in ei- nem Schaltschrank angeordnet sein können. Außerdem können Reihenklemmen auch zu mehreren als Reihenklemmenblock in einer Wandöffnung, insbesondere in einer Öffnung in einer Schaltscliranktür befestigt sein. Dies hat den Vorteil, dass die eine Seite der Klemmen, die Bedienerseite, von außerhalb des Schaltschranks zugänglich ist, ohne dass der Schaltschrank geöffnet wer- den muss, während die andere Seite der Klemme, die Anschlussseite, nur bei geöffneten Schaltschrank zugänglich ist. Electrical terminal blocks have been used millions of times in the wiring of electrical equipment and devices for decades. The terminals are often snapped onto mounting rails, which in turn can be arranged in a plurality in a control cabinet. In addition, terminal blocks may also be attached to several than terminal block in a wall opening, in particular in an opening in a Schaltscliranktür. This has the advantage that one side of the terminals, the operator side, is accessible from outside the control cabinet without the control cabinet having to be opened, while the other side of the terminal, the connection side, is only accessible when the control cabinet is open.

In Reihenklemmen werden häufig Schraubklemmen oder Zugfederklemmen als Leiteranschlusselemente verwendet. Das Klemmprinzip von Zugfeder- klemmen ist ähnlich dem der Schraubtechnik. Während bei Schraubklemmen eine Zughülse durch die Betätigung der Klemmschraube den Leiter gegen den Strombalken zieht, übernimmt bei der Zugfederklemme diese Aufgabe die Zugfeder. Daneben werden zunehmend auch Schneidanschlussklemmen und Schenkelfederklemmen verwendet, die im Vergleich zu Zugfederklemmen den Vorteil haben, dass die Klemme zum Einführen eines Leiters nicht mit Hilfe eines Werkzeugs geöffnet werden muss. Terminal blocks often use screw terminals or spring-cage terminals as conductor connection elements. The clamping principle of tension spring clamps is similar to that of screwdriving technology. While with screw terminals a tension sleeve pulls the conductor against the current bar by the actuation of the clamping screw, this task takes over the tension spring at the tension spring clamp. In addition, cutting terminals and leg spring terminals are increasingly being used, which have the advantage over spring-cage terminals that the terminal for inserting a conductor does not have to be opened with the aid of a tool.

Elektrische Reihenklemmen sind häufig Verbindungsklemmen, so dass sie mindestens zwei Leiteranschlusselemente aufweisen, die über eine elektrisch leitende Verbindungsschiene, den Strombalken, elektrisch miteinander ver- bunden sind. Neben diesem Grundtyp der Reihenklemmen, der häufig auch als Durchgangsklemme bezeichnet wird, gibt es eine Vielzahl von anderen Reihenklemmentypen, die speziell an die jeweiligen Anwendungsfälle ange- passt sind. Als Beispiele seien hier Schutzleiterklemmen, Messertrennklem- men und Installationsklemmen genannt. Electrical terminal blocks are often connection terminals, so that they have at least two conductor connection elements which are electrically connected to one another via an electrically conductive connection rail, the current limb. are bound. In addition to this basic type of terminal block, which is often referred to as a through terminal, there are a variety of other types of terminal blocks, which are specially adapted to the particular application. Protective conductor terminals, knife disconnect terminals and installation terminals are examples here.

In der Schalt-, Mess- Prüf- und Regeltechnik werden häufig Durchgangsklemmen mit Trennmöglichkeit eingesetzt, die deshalb teilweise auch als Trennklemmen bezeichnet werden. Die bei derartigen Reihenklemme realisierte Trennmöglichkeit, d. h. die in dem Strombalken vorgesehene Trennstelle, ermöglicht es, unterschiedliche Stecker mit unterschiedlichen Funktionen in die Reihenklemme einzustecken, die dann an der Trennstelle den Strombalken kontaktieren. Als Stecker können dabei neben einfachen Trennsteckern oder Durchgangsverbindern insbesondere auch Prüfstecker verwendet werden, die spezielle Bauelemente aufweisen können und ein Überprüfen der ordnungsgemäßen Funktion des an die Reihenklemme angeschlossenen Stromkreises ermöglichen. Da die elektrischen Reihenklemmen in der Regel scheibenförmig ausgebildet sind, werden sie meist mit mehreren anderen elektrischen Reihenklemmen zu einem Reihenklemmenblock zusammengesteckt. In einen solchen Reihenklemmenblock kann dann eine der Anzahl der Reihenklemmen entsprechende Anzahl an Prüfsteckern eingesteckt werden. In switching, test and control technology, through-type terminals with isolation capability are frequently used, which are therefore sometimes referred to as disconnect terminals. The realized in such terminal block separation option, d. H. the separation point provided in the current bar makes it possible to insert different plugs with different functions into the terminal block, which then contact the current bar at the point of separation. In addition to simple isolating plugs or through connectors, test plugs which can have special components and make it possible to check the proper functioning of the circuit connected to the terminal block can be used in particular as plugs. Since the electrical terminal blocks are generally disc-shaped, they are usually plugged together with several other electrical terminal blocks to a terminal block. In such a terminal block can then be plugged into the number of terminal blocks corresponding number of test plugs.

Reihenklemmen mit Trennstellen werden insbesondere zum Anschluss von Stromwandlern eingesetzt. Ein wichtiges Funktionsmerkmal besteht dabei da- rin, dass ein angeschlossener Stromwandler kurzgeschlossen wird, wenn der Sekundärkreis von der Last getrennt wird. Terminal blocks with disconnecting points are used in particular for connecting current transformers. An important feature in this case is that a connected CT is short-circuited when the secondary circuit is disconnected from the load.

Aus der DE 10 2006 052 894 AI ist eine Reihenklemme bekannt, von der die vorliegende Erfindung ausgeht. Diese Druckschrift offenbart darüber hinaus noch ein Prüfstecker und einen aus einer Mehrzahl von nebeneinander angeordneten Reihenklemmen und einer entsprechenden Anzahl von Prüfsteckern bestehender Prüfklemmblock. Die einzelnen Reihenklemmen weisen jeweils zwei Strombalken auf, deren Kontaktabschnitte einander kontaktieren, wenn der Stecker eines Prüfsteckers nicht in den von den Kontaktabschnitten gebil- deten Kontaktbereich eingesteckt ist. Ist der Stecker eines Prüfsteckers in den Kontaktbereich vollständig eingesteckt, so werden die beiden Kontaktab- schnitte durch den Stecker voneinander getrennt, wobei der Stromfluss dann über den Stecker gerührt wird, so dass ein Testvorgang durchgeführt werden kann. Die Reihenklemme und der zugeordnete Prüfstecker arbeiten somit nach dem Öffner-Prinzip, da die Verbindung zwischen den beiden Strombalken der Reihenklemme geöffnet wird, wenn der Stecker, der zwei voneinander isolierte Metallabschnitte aufweist, in den Kontaktbereich eingesteckt ist. From DE 10 2006 052 894 AI a terminal block is known from which the present invention proceeds. This document also discloses a test plug and one of a plurality of juxtaposed terminal blocks and a corresponding number of test plugs existing Prüfklemmblock. The individual terminal blocks each have two current bars whose contact sections contact each other when the plug of a test plug is not inserted into the contact area formed by the contact sections. If the plug of a test plug is fully plugged into the contact area, the two contact pins sections separated by the plug, wherein the current flow is then stirred via the plug, so that a test procedure can be performed. The terminal block and the associated test plug thus operate according to the opener principle, since the connection between the two current bars of the terminal block is opened when the plug, which has two mutually insulated metal sections, is plugged into the contact area.

Um beim Einstecken des Prüfsteckers in den Kontaktbereich sichere und definierte Kontaktzustände zu gewährleisten, sind bei der bekannten elektrischen Reihenklemme die Strombalken so ausgebildet, dass sie zwei Kontaktbereiche bilden, die in Einführrichtung des Steckers hintereinander angeordnet sind. Durch die Ausbildung eines definierten zweiten Kontaktbereichs, der in Einführrichtung des Steckers vor dem ersten Kontaktbereich angeordnet ist, wird gewährleistet, dass es beim Einführen des Steckers zunächst zu einer sicheren elektrischen Verbindung zwischen den Metallabschnitten des Stecker des Prüfsteckers und den beiden Strombalken kommt, bevor der erste Kontaktbereich beim weiteren Einführen des Steckers geöffnet wird und dadurch die beiden Strombalken elektrisch voneinander getrennt werden. Eine Querbrückung zu einer benachbarten Reihenklemme erfolgt bei diesem Prüfstecksystem durch Einstecken des Prüfklemmenblocks in den Reihenklemmenblock, wobei in zwei benachbarten Prüfklemmen des Prüfklemmenblocks eine Steckbrücke eingesteckt sein muss. Auch aus der DE 10 2011 113 333 AI ist eine elektrische Reihenklemme in Form einer Prüfklemme bekannt. Bei dieser Reihenklemme sind in dem Gehäuse ebenfalls zwei Leiteranschlusselementen und zwei Strombalken angeordnet. Die beiden Strombalken weisen jeweils neben einem Anschlussabschnitt und einem ersten Kontaktabschnitt zusätzlich noch einen zweiten Kon- taktabschnitt auf. Die ersten Kontaktabschnitte sind voneinander beabstandet und nur bei eingestecktem Stecker über den Stecker elektrisch leitend miteinander verbunden sind, so dass diese Reihenklemme nach dem Schließer-Prinzip arbeitet. Außerdem sind in dem Gehäuse noch zwei weitere Strombalkenstücke angeordnet, wobei in mindestens einem der Strombalkenstücke eine Ausnehmung zum Einstecken eines Schenkels einer Steckbrücke ausgebildet ist. Jeweils einer der Strombalkenstücke ist dabei derart einem der Strombalken zugeordnet, dass der zweite Kontaktabschnitt eines Strombalkens aufgrund der Federkraft des Strombalkens das zugeordnete Strombalkenstück kontaktiert, wenn kein Stecker eingesteckt ist. Die Strombalken der Reihenklemme sind dann jeweils mit ihrem Anschlussabschnitt mit dem Leiteranschlusselement und mit ihrem zweiten Kontaktabschnitt mit dem jeweiligen Strombalkenstück elektrisch leitend verbunden. Wird ein Stecker eines Prüfsteckers in den Kontaktbereich eingesteckt, so werden die beiden Strombalken so ausgelenkt, dass der zweite Kontaktabschnitt eines Strombalkens beabstandet vom zugeordneten Strombalkenstück ist. Damit ist dann die elektrische Verbindung zwischen einem Leiteranschlusselement und dem zugeordneten Strombalkenstück unterbrochen. Bei der aus der DE 10 2011 113 333 AI bekannten elektrischen Reihenklemme erfolgt eine Querbrückung zu einer benachbarten Reihenklemme bei nicht eingestecktem Prüfstecker dadurch, dass in die dafür vorgesehene Ausnehmung in den jeweiligen Strombalkenstücken zweier benachbarter Reihenklemme jeweils ein Schenkel einer Steckbrücke eingesteckt wird, so dass die bei- den Strombalkenstücke über die Steckbrücke miteinander verbunden sind. Die elektrische Querverbindung zwischen zwei Leiteranschlusselementen zweier Reihenklemmen erfolgt dann über die jeweiligen Strombalken, die Strombalkenstücke und die eingesteckte Steckbrücke. Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine eingangs beschriebene elektrische Reihenklemme zur Verfügung zu stellen, die zum An- schluss von Stromwandlern besonders gut geeignet ist, wobei sichergestellt sein soll, dass eine Querverbindung zwischen zwei Leiteranschlusselementen zweier benachbarter Reihenklemmen automatisch erfolgt, wenn ein Prüf- oder Trennstecker auf die Reihenklemmen aufgesteckt wird. In order to ensure safe and defined contact states when inserting the test plug in the contact area, the current bars are formed in the known electrical terminal block so that they form two contact areas, which are arranged one behind the other in the insertion direction of the plug. By forming a defined second contact region, which is arranged in the insertion direction of the plug in front of the first contact area, it is ensured that when inserting the plug first comes to a secure electrical connection between the metal portions of the plug of the test plug and the two current bars before the first contact area is opened during further insertion of the plug and thereby the two current bars are electrically separated from each other. Transverse bridging to an adjacent terminal block takes place in this test plug-in system by inserting the test terminal block into the terminal block, whereby a jumper must be plugged into two adjacent test terminals of the test terminal block. Also from DE 10 2011 113 333 AI an electrical terminal in the form of a test terminal is known. In this terminal, two conductor connection elements and two current bars are also arranged in the housing. In addition to a connection section and a first contact section, the two current bars additionally have a second contact section. The first contact portions are spaced apart and are electrically connected to each other only when the plug is plugged into the plug, so that this terminal operates on the NO principle. In addition, two more Strombalkenstücke are arranged in the housing, wherein in at least one of the Strombalkenstücke a recess is designed for insertion of a leg of a jumper. In each case, one of the current bar pieces is assigned to one of the current bars such that the second contact portion of a current bar contacts the associated current bar piece due to the spring force of the current bar when no plug is inserted. The current bars of the terminal block are then connected in each case electrically connected to their connection section with the conductor connection element and with their second contact section to the respective current bar section. If a plug of a test plug is inserted into the contact region, the two current bars are deflected so that the second contact section of a current bar is spaced from the associated current bar piece. Thus, then the electrical connection between a conductor connection element and the associated current bar piece is interrupted. In the electrical terminal known from DE 10 2011 113 333 AI is a cross-bridge to an adjacent terminal with not plugged test plug in that in each case a leg of a jumper is inserted into the recess provided in the respective Strombalkenstücken two adjacent terminal block, so that the Both current bar pieces are connected to each other via the jumper. The electrical cross connection between two conductor connection elements of two terminal blocks then takes place via the respective current bars, the current bar pieces and the inserted jumper. The present invention has for its object to provide an electrical terminal described above, which is particularly well suited for the connection of current transformers, it being ensured that a cross connection between two conductor connection elements of two adjacent terminal blocks automatically when a test - Or disconnect plug is attached to the terminal blocks.

Diese Aufgabe ist bei der eingangs beschriebenen elektrischen Reihenklemme mit den Merkmalen des Patentanspruchs 1 dadurch gelöst, dass zwei Federelemente im Klemmengehäuse angeordnet sind, die jeweils einen federnden Kontaktabschnitt aufweisen, wobei die Kontaktabschnitte der beiden Federelemente zusammen einen weiteren Kontaktbereich für den Stecker bilden, der in Einsteckrichtung des Steckers vor dem Kontaktbereich der Strombalken angeordnet ist. Ist ein Stecker in die Reihenklemme eingesteckt, so wird jeweils ein Federelement über den Stecker elektrisch leitend mit einem Strombalken verbunden. Darüber hinaus weist mindestens eines der beiden Feder- elemente eine Aufnahme für einen Schenkel einer Steckbrücke auf, so dass bei eingesteckter Steckbrücke automatisch eine Querbrückung zwischen benachbarten Reihenklemmen hergestellt wird, wenn jeweils ein Stecker eines Prüfoder Trennsteckers in die beiden Reihenklemmen eingesteckt wird. Erfindungsgemäß sind bei der Reihenklemme zwei voreilende Federelemente im Klemmengehäuse angeordnet, so dass beim Einstecken des Steckers eines Prüf- oder Trennsteckers dieser zunächst von den Kontaktabschnitten der Federelemente kontaktiert wird, bevor der Stecker auf die Kontaktabschnitte der Strombalken trifft und diese ebenfalls kontaktiert. Bevor der Stecker eines Prüf- oder Trennsteckers somit den Kontakt zwischen den Kontaktabschnitten der beiden Strombalken auftrennt, ist ein elektrischer Kontakt zwischen dem Stecker und den zusätzlichen Federelementen hergestellt. Über den Stecker eines in die Reihenklemme eingesteckten Prüf- oder Trennsteckers erfolgt dann eine elektrisch leitende Verbindung zwischen jeweils einem Federelement und dem zugeordneten Strombalken. This object is achieved in the electrical terminal described above with the features of claim 1, characterized in that two spring elements are arranged in the terminal housing, each having a resilient contact portion, wherein the contact portions of the two spring elements together form another contact area for the plug, the is arranged in the insertion direction of the plug in front of the contact region of the current bar. If a plug is plugged into the terminal block, a spring element is connected via the plug in an electrically conductive manner to a current bar. In addition, at least one of the two spring elements has a receptacle for a leg of a jumper, so that when inserted jumper automatically a cross-bridging between adjacent terminal blocks is made when a plug of a test or disconnector plug is inserted into the two terminal blocks. According to the invention, two leading spring elements are arranged in the terminal housing in the terminal block, so that when inserting the plug of a test or disconnect plug it is first contacted by the contact portions of the spring elements before the plug meets the contact portions of the current bar and contacted them as well. Before the plug of a test or disconnect plug thus separates the contact between the contact portions of the two current bars, an electrical contact between the plug and the additional spring elements is made. About the plug of a test or disconnect plug inserted into the terminal then takes place an electrically conductive connection between each one spring element and the associated current bar.

Gemäß einer vorteilhaften Ausgestaltung der erfindungsgemäßen Reihenklemme sind die federnden Kontaktabschnitte der beiden Federelemente jeweils etwa C-förmig oder V-förmig ausgebildet. Die beiden einander zugewandten Kontaktabschnitte der beiden Federelemente dienen dabei als eine Art Einführtrichter für den Stecker des einzusteckenden Prüf- oder Trennsteckers, so dass die Gefahr des Verkantens minimiert wird und der Stecker gleichzeitig in den Kontaktbereich geführt wird. Durch die Ausgestaltung und Abbiegung der Kontaktabschnitte der Federelemente kann die von den Federelementen auf ei- nen eingesteckten Stecker wirkende Kontaktkraft den jeweiligen Anforderungen entsprechend einfach angepasst werden. According to an advantageous embodiment of the terminal block according to the invention, the resilient contact portions of the two spring elements are each formed approximately C-shaped or V-shaped. The two mutually facing contact portions of the two spring elements serve as a kind of insertion funnel for the plug of einzusteckenden test or disconnect plug, so that the risk of tilting is minimized and the plug is performed simultaneously in the contact area. Due to the design and bending of the contact sections of the spring elements, the contact force acting on the plug-in connector from the spring elements can be easily adapted to the respective requirements.

Vorzugsweise weisen die beiden Federelemente neben dem Kontaktabschnitt noch einen Verbindungsabschnitt auf, in dem die Aufnahme zum Einstecken eines Schenkels einer Steckbrücke ausgebildet ist. Die Federelemente können dabei insgesamt näherungsweise S-förmig ausgebildet sein, wobei die Verbin- dungsabschnitte auch zur sicheren Fixierung und Halterung der Federelemente in dem Klemmengehäuse genutzt werden. Die Herstellung der Federelemente lässt sich dadurch weiter vereinfachen, wenn als Aufnahme zum Einstecken eines Schenkels einer Steckbrücke eine Ausnehmung aus dem entsprechenden Federelement, insbesondere dessen Verbindungsabschnitt, ausgestanzt ist. Die Federelemente können dann besonders einfach als Stanz-Biegeteile gefertigt werden. Preferably, the two spring elements in addition to the contact portion on a connecting portion, in which the receptacle is designed for inserting a leg of a jumper. The spring elements can be formed approximately S-shaped overall, wherein the connection tion sections are also used for secure fixing and mounting of the spring elements in the terminal housing. The preparation of the spring elements can be further simplified if a recess from the corresponding spring element, in particular its connecting portion, is punched out as a receptacle for inserting a leg of a jumper. The spring elements can then be made particularly simple as stamped and bent parts.

Gemäß einer weiteren besonders bevorzugten Ausgestaltung der erfindungsge- mäßen elektrischen Reihenklemmen weisen die beiden Strombalken jeweils einen zweiten federnden Kontaktabschnitt auf, wobei die beiden zweiten Kontaktabschnitte voneinander etwas beabstandet sind und zusammen einen zweiten Kontaktbereich für einen Stecker eines Prüf- oder Trennsteckers bilden. Die Strombalken sind dabei so ausgebildet, dass der zweite Kontaktbereich der Strombalken zwischen dem ersten Kontaktbereich der Strombalken und dem Kontaktbereich der beiden Federelemente angeordnet ist. In Einsteckrichtung des Steckers befindet sich der zweite Kontaktbereich der Strombalken somit vor dem ersten Kontaktbereich und hinter dem Kontaktbereich der beiden Federelemente. According to a further particularly preferred embodiment of the inventive electrical terminal blocks, the two current bars each have a second resilient contact portion, wherein the two second contact portions are slightly spaced from each other and together form a second contact area for a plug of a test or disconnect plug. The current bars are designed so that the second contact region of the current bar between the first contact region of the current bar and the contact region of the two spring elements is arranged. In the plug-in direction of the plug, the second contact region of the current bars is thus located in front of the first contact region and behind the contact region of the two spring elements.

Durch die Ausbildung des zweiten Kontaktbereichs an den Strombalken wird sichergestellt, dass ein eingeführter Stecker eines Prüf- oder Trennsteckers zunächst die Federelemente mit den jeweiligen Strombalken verbindet, bevor der elektrische Kontakt der beiden Strombalken im ersten Kontaktbereich durch das Einführen des Steckers aufgetrennt wird. The formation of the second contact region on the current bar ensures that an inserted plug of a test or disconnect plug first connects the spring elements to the respective current bar before the electrical contact of the two current bars in the first contact region is separated by the insertion of the plug.

Wird der Stecker eines Prüf- oder Trennsteckers in die elektrische Reihenklemme eingesteckt, so führt dies zunächst dazu, dass der Stecker mit seinen beiden voneinander isolierten Steckermetallen die Kontaktabschnitte der bei- den Federelemente kontaktiert. Wird der Stecker weiter in die elektrische Reihenklemme eingesteckt, so kontaktieren die Steckermetalle des Steckers zusätzlich jeweils einen zweiten federnden Kontaktabschnitt der Strombalken, so dass jeweils ein Federelement über ein Steckermetall des Steckers mit einem Strombalken elektrisch leitend verbunden ist. Erst wenn der Stecker noch wei- ter in die Reihenklemme eingesteckt wird, wird der elektrische Kontakt zwischen den ersten Kontaktabschnitten der beiden Strombalken durch den Ste- cker aufgetrennt, so dass dann die Leiteranschlusselemente nicht mehr elektrisch miteinander verbunden sind. If the plug of a test or disconnect plug is plugged into the electrical terminal block, this initially leads to the plug contacting the contact sections of the two spring elements with its two mutually insulated plug metals. If the plug is further inserted into the electrical terminal, the plug metals of the plug additionally contact a respective second resilient contact section of the current bars, so that in each case a spring element is electrically conductively connected via a plug metal of the plug to a current bar. Only when the plug is inserted even further into the terminal block, the electrical contact between the first contact sections of the two current bars by the Ste- cker disconnected, so that then the conductor connection elements are no longer electrically connected to each other.

Neben den beiden Federelementen können auch die beiden Strombalken durch Ausstanzen und anschließendes Um- und Abbiegen aus Metallstücken hergestellt sein. Die beiden Strombalken bestehen dabei vorzugsweise jeweils aus zwei einzelnen Metallstreifen, die miteinander elektrisch leitend verbunden sind, insbesondere miteinander verschweißt, verlötet oder vernietet sind. Der Anschlussabschnitt eines Strombalkens kann dann von dem ersten Metallstrei- fen und der oder die Kontaktabschnitte des Strombalkens von dem zweiten Metallstreifen gebildet werden. Hierdurch vereinfacht sich die Herstellung der Strombalken und es besteht darüber hinaus die Möglichkeit, für den Anschlussabschnitt einerseits und die federnden Kontaktabschnitte andererseits jeweils unterschiedliche Materialien und/oder unterschiedliche Querschnitte zu verwenden, die entsprechend der jeweils benötigten Steifigkeit und Federeigenschaft ausgewählt sind. Der den Anschlussabschnitt bildende erste Metallstreifen kann dabei relativ starr ausgebildet sein, während der zweite Metallstreifen selber als Kontaktfeder ausgebildet ist. Die Kontaktfeder kann näherungsweise C-förmig gebogen sein, wobei das erste Ende der Kontaktfe- der den ersten Kontaktabschnitt und das zweite Ende der Kontaktfeder den zweiten Kontaktabschnitt bildet. In addition to the two spring elements and the two current bars can be made by punching and subsequent turning and turning of metal pieces. The two current bars preferably each consist of two individual metal strips, which are electrically conductively connected to one another, in particular welded, soldered or riveted together. The terminal portion of a current bar may then be formed by the first metal strip and the contact portion or portions of the current bar may be formed by the second metal strip. This simplifies the production of the current bars and it is also possible to use different materials and / or different cross sections for the connection section on the one hand and the resilient contact sections on the other hand, which are selected according to the required stiffness and spring property. The connecting portion forming the first metal strip may be relatively rigid, while the second metal strip itself is formed as a contact spring. The contact spring can be bent approximately C-shaped, with the first end of the contact spring forming the first contact section and the second end of the contact spring forming the second contact section.

Bei dem eingangs beschriebenen Reihenklemmenblock, bestehend aus mindestens zwei nebeneinander angeordneten Reihenklemmen und mindestens ei- ner Steckbrücke, ist die der Erfindung zugrundeliegende Aufgabe dadurch gelöst, dass in mindestens einem Federelement der ersten Reihenklemme und dem entsprechenden Federelement der zweiten Reihenklemme jeweils ein Schenkel der Steckbrücke eingesteckt ist. Dadurch sind zwei Leiteranschlusselemente der beiden Reihenklemmen elektrisch leitend miteinander verbunden, wenn in die beiden Reihenklemmen jeweils ein Stecker eines Prüf- oder Trennsteckers eingesteckt ist, über den jeweils ein Federelement mit dem zugeordneten Strombalken elektrisch leitend verbunden wird. In the terminal block described above, consisting of at least two juxtaposed terminal blocks and at least one jumper, the object underlying the invention is achieved in that inserted in at least one spring element of the first terminal and the corresponding spring element of the second terminal each have a leg of the jumper is. As a result, two conductor connection elements of the two terminal blocks are electrically conductively connected to each other when in the two terminal blocks in each case a plug of a test or disconnect plug is inserted, via which in each case a spring element is electrically connected to the associated current bar.

Bei einem derartigen Reihenklemmenblock erfolgt die Querbrückung über die in die beiden Reihenklemmen eingesteckte Steckbrücke, deren Schenkel jeweils in eine entsprechende Ausnehmung in einem Federelement einer Reihenklemme eingesteckt sind, wobei die Federelemente bei eingestecktem Prüf- oder Trennstecker jeweils über den Stecker des Prüf- oder Trennsteckers mit dem zugeordneten Strombalken und damit auch mit dem zugeordneten Leiteranschlusselement elektrisch leitend verbunden sind. In such a terminal block, the cross-bridging via the plugged into the two terminal blocks jumper, the legs of each in a corresponding recess in a spring element of a Terminal block are inserted, the spring elements are electrically connected with plugged test or disconnect plug respectively via the plug of the test or disconnect plug with the associated current bar and thus also with the associated conductor connection element.

Durch die Verwendung einer entsprechend ausgebildeten Steckbrücke besteht dabei auch die Möglichkeit, zwei elektrische Reihenklemmen miteinander zu verbinden, die nicht unmittelbar nebeneinander angeordnet sind, d.h. es können zwei Reihenklemmen über eine entsprechende Steckbrücke miteinander elektrisch verbunden werden, zwischen denen weitere Reihenklemmen angeordnet sind. Daneben besteht auch die Möglichkeit, mit einer entsprechend ausgebildeten Steckbrücke, mehr als zwei Reihenklemmen miteinander zu verbinden, wobei auch hier nicht alle nebeneinander angeordneten Reihenklemmen miteinander verbunden werden müssen, sondern einzelne Reihenklemmen auch ausgelassen werden können. By using a suitably designed jumper, it is also possible to connect two electrical terminal blocks which are not arranged directly next to one another, i. Two terminal blocks can be electrically connected to one another via a corresponding jumper, between which further terminal blocks are arranged. In addition, there is also the possibility to connect with a correspondingly shaped jumper, more than two terminal blocks with each other, in which case not all juxtaposed terminal blocks must be connected to each other, but individual terminal blocks can also be omitted.

Die elektrischen Reihenklemmen, die zusammen den Reihenklemmenblock bilden, sind jeweils scheibenförmig ausgebildet. Damit mehrere Reihenklemmen zusammen einen Reihenklemmenblock bilden können, sind die einzelnen Reihenklemmen vorzugsweise mechanisch miteinander verbunden, wozu die Reihenklemmen über im Klemmengehäuse ausgebildete korrespondierende Rastelemente zusammengerastet sind. Die Rastelemente bestehen dabei vorzugsweise aus auf der einen Seite der Klemmengehäuse angeordneten Rastzapfen und korrespondierende Rastausnehmungen, die in der anderen Seite der Klemmengehäuse ausgebildet sind. The electrical terminal blocks, which together form the terminal block, are each disc-shaped. So that several terminal blocks together can form a terminal block, the individual terminal blocks are preferably mechanically interconnected, for which purpose the terminal blocks are snapped together via formed in the terminal housing corresponding locking elements. The locking elements preferably consist of on one side of the terminal housing arranged locking pin and corresponding recesses which are formed in the other side of the terminal housing.

Im Einzelnen gibt es nun eine Vielzahl von Möglichkeiten, die erfindungsgemäße elektrische Reihenklemme und den erfindungsgemäßen Reihenklemmenblock auszugestalten und weiterzubilden. Dazu wird verwiesen sowohl auf die abhängigen Patentansprüche als auch die nachfolgende Beschreibung eines bevorzugten Ausführungsbeispiels in Verbindung mit der Zeichnung. In der Zeichnung zeigen In particular, there are now a variety of ways to design and further develop the electrical terminal block according to the invention and the terminal block according to the invention. Reference is made to both the dependent claims and the following description of a preferred embodiment in conjunction with the drawings. In the drawing show

Fig. 1 ein Ausführungsbeispiel einer elektrischen Reihenklemme, in Fig. 1 shows an embodiment of an electrical terminal, in

Seitenansicht, Fig. 2 die Reihenklemme gemäß Fig. 1, mit einem eingesteckten Prüfstecker, Side View, 2, the terminal block of FIG. 1, with an inserted test plug,

Fig. 3 eine Reihenklemme, mit einem noch nicht ganz eingesteckten Fig. 3 is a terminal, with a not yet fully inserted

Prüfstecker,  test plug,

Fig. 4 eine Darstellung eines aus zwei Reihenklemmen zusammengesetzten Reihenklemmenblocks, schräg von der Seite, 4 is an illustration of a composite of two terminal blocks terminal block, obliquely from the side,

Fig. 5 zwei nebeneinander angeordnete Trennstecker, und Fig. 5 two juxtaposed separator, and

Fig. 6 eine perspektivische Darstellung eines aus mehreren Reihenklemmen bestehenden Reihenklemmenblocks. Fig. 6 is a perspective view of a plurality of terminal blocks existing terminal block.

Die in Fig. 1 dargestellte erfindungsgemäße elektrische Reihenklemme 1 weist ein Klemmengehäuse 2 aus Kunststoff auf, das bei dem dargestellten Ausführungsbeispiel in einer Öffnung einer Wand, insbesondere einer Schaltschrankwand, eingesetzt und befestigt werden kann. Im Inneren des Klemmengehäuses 2 sind zwei Leiteranschlusselemente 3, 4 angeordnet, bei denen es sich vorliegend um Schraubklemmen handelt. Alternativ dazu können jedoch auch andere Arten von Anschlusselementen, beispielsweise Zugfederklemmen, Schenkelfederklemmen oder Schneidanschlussklemmen als Leiteranschlusselemente verwendet werden. The illustrated in Fig. 1 inventive electrical terminal 1 has a terminal housing 2 made of plastic, which can be used and fixed in the illustrated embodiment in an opening of a wall, in particular a control cabinet wall. Inside the terminal housing 2, two conductor connection elements 3, 4 are arranged, which in the present case are screw terminals. Alternatively, however, other types of connection elements, such as spring-loaded terminals, leg spring terminals or insulation displacement terminals can be used as conductor connection elements.

Im Klemmengehäuse 2 sind darüber hinaus noch zwei Strombalken 5, 6 angeordnet, die gleich ausgebildet und spiegelsymmetrisch zueinander angeordnet sind. Die Strombalken 5, 6 weisen jeweils an ihrem einen Ende einen Anschlussabschnitt 7, 7 auf, der jeweils einem der beiden Leiteranschlusselemente 3, 4 zugeordnet ist, d.h. in die Schraubklemmen eingeführt ist. Außerdem weisen die beiden Leiteranschlusselemente 3, 4 jeweils noch einen ersten Kontaktabschnitt 8, 8' auf, die zusammen einen federnden ersten Kontaktbereich 9 zur Aufnahme des Steckers 10 eines in Fig. 2 dargestellten Prüfsteckers 11 oder eines in Fig. 5 dargestellten Trennsteckers 29 bilden. Wie aus Fig. 1 ersichtlich ist, kontaktieren sich die beiden Kontaktabschnitte 8, 8', wenn kein Stecker 10 eingeführt ist, so dass die beiden Leiteranschlusselemente 3, 4 über die beiden Strombalken 5, 6 im Grundzustand - keine Prüfstecker 11 oder Trennstecker 29 eingeführt - elektrisch leitend miteinander verbunden sind. In addition, two current bars 5, 6 are arranged in the terminal housing 2, which are of the same design and arranged mirror-symmetrically to each other. The current bars 5, 6 each have at their one end a connection portion 7, 7, which is assigned to one of the two conductor connection elements 3, 4, ie, is inserted into the screw terminals. In addition, the two conductor connection elements 3, 4 each still have a first contact section 8, 8 ', which together form a resilient first contact region 9 for receiving the plug 10 of a test plug 11 shown in FIG. 2 or a separating plug 29 shown in FIG. As can be seen from FIG. 1, the two contact sections 8, 8 'make contact when no plug 10 is inserted, so that the two conductor connection elements 3, 4 are in the ground state via the two current bars 5, 6 - no test plugs 11 or separator 29 introduced - are electrically connected to each other.

Die erfindungsgemäße elektrische Reihenklemme 1 weist darüber hinaus noch zwei im Klemmengehäuse 2 angeordnete Federelemente 12, 13 auf, die im Grundzustand der Reihenklemme 1 gemäß Fig. 1, d.h. bei nicht eingestecktem Prüfstecker 11 nicht mit den Strombalken 5, 6 elektrisch leitend verbunden sind. Die beiden Federelemente 12, 13 weisen jeweils einen federnden Kontaktabschnitt 14, 14' auf, wobei die Federelemente 12, 13 derart spiegelsym- metrisch zueinander angeordnet sind, dass die Kontaktabschnitte 14, 14' einen weiteren Kontaktbereich 15 für einen Stecker 10 eines Prüfsteckers 11 oder eines Trennsteckers 29 bilden. Die Kontaktabschnitt 14, 14' können dabei, wie in den Figuren dargestellt einen Abstand zueinander aufweisen, so dass sie sich nicht kontaktieren. Grundsätzlich können die Kontaktabschnitt 14, 14' je- doch auch so ausgebildet und angeordnet sein, dass sich die Kontaktabschnitt 14, 14' kontaktieren, wenn kein Stecker 10 eingesteckt ist. The electrical terminal 1 according to the invention also has two arranged in the terminal housing 2 spring elements 12, 13, which in the ground state of the terminal block 1 of FIG. 1, i. not plugged test plug 11 are not electrically connected to the current bar 5, 6. The two spring elements 12, 13 each have a resilient contact portion 14, 14 ', wherein the spring elements 12, 13 are mirror-symmetrical to each other, that the contact portions 14, 14' another contact area 15 for a plug 10 of a test plug 11 or a separating plug 29 form. The contact portion 14, 14 'may have, as shown in the figures, a distance from each other, so that they do not contact. In principle, however, the contact sections 14, 14 'can also be designed and arranged such that the contact sections 14, 14' make contact when no plug 10 is inserted.

Die Federelemente 12, 13 dienen dazu, auf einfache Art und Weise eine Quer- brückung zwischen zwei Reihenklemme 1, herzustellen. Hierzu ist in min- destens einem der beiden Federelemente 12, 13 eine Ausnehmung 16 als Aufnahme für einen Schenkel 17 einer Steckbrücke 18 ausgebildet. Bei zwei benachbarten Reihenklemmen 1, sind dann zwei Federelemente 12 oder 13 über die beiden Schenkel 17 einer Steckbrücke 18 elektrisch miteinander verbunden. The spring elements 12, 13 serve to produce a transverse bridging between two terminal block 1 in a simple manner. For this purpose, a recess 16 is formed as a receptacle for a leg 17 of a jumper 18 in at least one of the two spring elements 12, 13. In the case of two adjacent terminal blocks 1, two spring elements 12 or 13 are then electrically connected to one another via the two legs 17 of a jumper 18.

Wenn gemäß Fig. 2 der Stecker 10 eines Prüfsteckers 11 in eine Reihenklemme 1 eingesteckt wird, so führt dies dazu, dass jeweils ein Federelement 12, 13 über ein Steckermetall 19, 19' mit dem zugeordneten Strombalken 5, 6 elektrisch leitend verbunden wird. Im vollständig eingesteckten Zustand des Steckers 10 sind darüber hinaus die beiden Strombalken 5, 6 im ersten Kontaktbereich 9 durch den Stecker 10 voneinander getrennt, so dass dann auch die beiden Leiteranschlusselemente 3, 4 nicht mehr über die Strombalken 5, 6 elektrisch miteinander verbunden sind. Die Federelemente 12, 13, die einfach durch Ausstanzen und anschließendes Abbiegen aus einem Metallstreifen her- gestellt werden können, weisen neben den näherungsweise C-förmigen Kontaktabschnitten 14, 14' jeweils noch einen im Wesentlichen geraden Verbin- dungsabschnitt 20, 20' auf, in dem die Ausnehmung 16 zum Einstecken des Schenkels 10 einer Steckbrücke 11 ausgestanzt ist. Insgesamt weisen die Federelemente 12, 13 somit eine näherungsweise S-förmige Gestalt auf, wobei die Federelemente 12, 13 vorzugsweise über entsprechend ausgebildete Vor- sprünge im Klemmengehäuse 2 befestigt sind. If, according to FIG. 2, the plug 10 of a test plug 11 is plugged into a terminal 1, this leads to a respective spring element 12, 13 being electrically conductively connected to the associated current bar 5, 6 via a plug metal 19, 19 '. In the fully inserted state of the plug 10, moreover, the two current bars 5, 6 are separated from each other in the first contact region 9 by the plug 10, so that then the two conductor connection elements 3, 4 are no longer electrically connected to one another via the current bars 5, 6. The spring elements 12, 13, which can be produced simply by punching out and then bending off a metal strip, each have, in addition to the approximately C-shaped contact sections 14, 14 ', a substantially straight connection. section 20, 20 ', in which the recess 16 is punched out for insertion of the leg 10 of a jumper 11. Overall, the spring elements 12, 13 thus have an approximately S-shaped configuration, wherein the spring elements 12, 13 are preferably secured in the terminal housing 2 via correspondingly formed projections.

Um beim Einstecken des Steckers 10 in die Reihenklemme 1 sicher zu gewährleisten, dass zunächst die Federelemente 12, 13 mit den Strombalken 5, 6 elektrisch verbunden sind, bevor die elektrische Verbindung zwischen den bei- den Strombalken 5, 6 im ersten Kontaktbereich 9 getrennt wird, weisen die Strombalken 5, 6 jeweils noch einen zweiten federnden Kontaktabschnitt 21, 2Γ auf. Die zweiten Kontaktabschnitte 21, 2 Γ, die einen Abstand voneinander aufweisen, bilden zusammen einen zweiten Kontaktbereich 22, der in Einsteckrichtung E des Steckers 10 vor dem ersten Kontaktbereich 9 der Strom- balken 5, 6 und hinter dem Kontaktbereich 15 der Federelemente 12, 13 angeordnet ist. Beim Einstecken des Steckers 10 in die Reihenklemme 1 kontaktieren die beiden Steckmetalle 19, 19' somit zunächst die Kontaktabschnitte 14, 14' der beiden Federelemente 12, 13 und die zweiten Kontaktabschnitte 21, 2 der Strombalken 5, 6, so dass die Federelemente 12, 13 mit den Strombalken 5, 6 über die Steckmetalle 19, 19' elektrische verbunden sind, wie dies in Fig. 3 dargestellt ist. Erst wenn der Stecker 10 noch weiter eingesteckt ist, tritt er in den ersten Kontaktbereich 9, wodurch die ersten Kontaktabschnitte 8, 8' der Strombalken 5, 6 voneinander getrennt werden. Bei dem in den Figuren dargestellten Ausführungsbeispiel der elektrischen Reihenklemme 1 bestehen die beiden Strombalken 5, 6 jeweils aus zwei einzelnen länglichen Metallstreifen 23, 24, die im Übergangsbereich miteinander verlötet, verschweißt oder vernietet sind. Die beiden Anschlussabschnitte 7, 7' werden dabei jeweils von dem ersten abgewinkelten Metallstreifen 23 gebil- det, deren den zweiten Metallstreifen 24 abgewandten Enden jeweils in den Klemmkörper einer Schraubklemme 3, 4 hineinragen. Während die ersten Metallstreifen 23 relativ starr sind, sind die insgesamt näherungsweise C-förmi- gen zweiten Metallstreifen 24 als Kontaktfedern ausgebildet, wodurch auf einfache Art und Weise die im ersten Kontaktbereich 9 und im zweiten Kontakt- bereich 22 benötigten Kontaktkräfte realisiert werden können. Durch die Verwendung unterschiedlicher Materialien und unterschiedlicher Querschnitte für die Metallstreifen 23, 24 können die Strombalken 5, 6 optimal an die unterschiedlichen Anforderungen im Anschlussabschnitt 7, 7' einerseits und in den Kontaktbereichen 9, 22 andererseits angepasst werden. In Fig. 4 ist ein aus zwei Reihenklemmen 1, bestehender Reihenklemmenblock dargestellt, wobei die beiden Reihenklemmen 1, Γ über eine Steckbrücke 18 miteinander verbunden sind, deren beiden Stecker 17 jeweils in eine Ausnehmung 16 in einem Federelement 12 der beiden Reihenklemmen 1, eingesteckt sind. Im Klemmengehäuse 2 der Reihenklemmen 1 ist mittig je- weils eine Öffnung 25 zum Einstecken des Steckers 10 eines Prüfsteckers 11 in die Kontaktbereiche 9, 15 und 22 ausgebildet ist. Außerdem ist auf beiden Seiten der Öffnung 25 jeweils noch eine weitere Öffnung 26 zum Einstecken des Schenkels 17 einer Steckbrücke 18 in die Ausnehmung 16 in einem Verbindungsabschnitt 20, 21 eines Federelements 12, 13 ausgebildet. In order to ensure, when inserting the plug 10 into the terminal 1, that the spring elements 12, 13 are initially electrically connected to the current bars 5, 6 before the electrical connection between the two current bars 5, 6 in the first contact area 9 is disconnected , the current bars 5, 6 each have a second resilient contact section 21, 2Γ. The second contact portions 21, 2 Γ, which have a distance from one another, together form a second contact region 22, which in the plug-in direction E of the plug 10 in front of the first contact region 9 of the current bars 5, 6 and behind the contact region 15 of the spring elements 12, 13 is arranged. When inserting the plug 10 into the terminal 1, the two plug metals 19, 19 'thus first contact the contact portions 14, 14' of the two spring elements 12, 13 and the second contact portions 21, 2 of the current bars 5, 6, so that the spring elements 12, 13 are connected to the current bars 5, 6 via the plug metals 19, 19 'electrical, as shown in Fig. 3. Only when the plug 10 is further inserted, it enters the first contact region 9, whereby the first contact portions 8, 8 'of the current bars 5, 6 are separated from each other. In the embodiment of the electrical terminal 1 shown in the figures, the two current bars 5, 6 each consist of two individual elongated metal strips 23, 24 which are soldered, welded or riveted together in the transition region. The two connection sections 7, 7 'are each formed by the first angled metal strip 23, whose ends remote from the second metal strip 24 each protrude into the clamping body of a screw terminal 3, 4. While the first metal strips 23 are relatively rigid, the overall approximately second C-shaped metal strips 24 are designed as contact springs, whereby the contact forces required in the first contact region 9 and in the second contact region 22 can be realized in a simple manner. By using different materials and different cross sections for the metal strips 23, 24, the current bars 5, 6 optimally adapted to the different requirements in the connection section 7, 7 'on the one hand and in the contact areas 9, 22 on the other. In Fig. 4 is a two terminal blocks 1, existing terminal block is shown, wherein the two terminal blocks 1, Γ are connected to each other via a jumper 18, the two plugs 17 are each inserted into a recess 16 in a spring element 12 of the two terminal blocks 1 , In the terminal housing 2 of the terminal blocks 1, an opening 25 for inserting the plug 10 of a test plug 11 into the contact areas 9, 15 and 22 is formed centrally in each case. In addition, on both sides of the opening 25 each have a further opening 26 for insertion of the leg 17 of a jumper 18 in the recess 16 in a connecting portion 20, 21 of a spring element 12, 13 is formed.

Die Öffnungen 25, 26 sind dabei von der ersten Seite 27, der Bedienerseite der Reihenklemme 1 aus zugänglich. Dies hat den Vorteil, dass bei einer Anordnung der Reihenklemme 1 bzw. eines entsprechenden Reihenklemmenblocks in einer Öffnung einer Schaltschranktür sowohl ein Prüfstecker 11 als auch ei- ne Steckbrücke 18 in die Reihenklemmen 1, eingesteckt werden können, ohne dass dafür die Schaltschranktür geöffnet werden muss. Ein weiterer Vorteil besteht darin, dass die Steckbrücken 18 für einen Bediener von vorne gut erkennbar sind, wodurch auch eindeutig erkennbar ist, an welchen Reihenklemmen Stromwandler angeschlossen sind. Der Anschluss der elektrischen Lei- tungen beispielsweise eines Stromwandlers erfolgt dagegen von der zweiten Seite 28, der Anschlussseite der Reihenklemme 1, die sich dann innerhalb des Schaltschrankes befindet. The openings 25, 26 are accessible from the first side 27, the operator side of the terminal block 1 from. This has the advantage that in the case of an arrangement of the terminal block 1 or of a corresponding terminal block in an opening of a cabinet door, both a test plug 11 and a jumper 18 can be plugged into the terminal blocks 1 without the control cabinet door having to be opened for this purpose , Another advantage is that the jumpers 18 are clearly visible to the operator from the front, which also clearly indicates to which terminal blocks current transformers are connected. The connection of the electrical lines, for example, a current transformer, however, takes place from the second side 28, the connection side of the terminal 1, which is then located within the cabinet.

Anstelle eines Prüfsteckers 11 kann auch ein Trennstecker 29 in die Öffnung 25 im Klemmengehäuse 2 eingesteckt werden. In Fig. 5 sind zwei nebeneinander angeordnete derartige Trennstecker 29 dargestellt, die beispielsweise in die beiden in Fig. 4 dargestellten Reihenklemmen 1, Γ eingesteckt werden können. Wie auch der Prüfstecker 11 weist auch der Trennstecker 29 einen Stecker 10 mit zwei voneinander isolierten Steckmetallen 19, 19' auf. Zur bes- seren Handhabung ist an dem Trennstecker 29 darüber hinaus noch ein Griffbereich 20 ausgebildet, in dem ein Kennzeichenschild 31 befestigt sein kann. In Fig. 6 ist ein aus mehreren Reihenklemmen 1 bestehender Reihenklemmenblock dargestellt. Auf beiden Seiten der Mehrzahl von miteinander verbundenen Reihenklemmen 1 ist jeweils eine Befestigungsklemme 32 angeordnet, die zur einfachen und sicheren Befestigung des Reihenklemmenblocks in einer Öffnung einer Schaltschranktür dienen. Hierzu ist im Klemmengehäuse 33 der Befestigungsklemme 32 ein Fixierelement 34 verschiebbar angeordnet, das mit Hilfe eines Betätigungselements, beispielsweise einem Schraubendreher in eine Klemmposition verbracht werden kann. Instead of a test plug 11, a separating plug 29 can be inserted into the opening 25 in the terminal housing 2. In Fig. 5 two juxtaposed such isolating connector 29 are shown, which can be inserted, for example, in the two terminal blocks 1, Γ shown in Fig. 4. Like the test plug 11, the isolating plug 29 also has a plug 10 with two plug-in metals 19, 19 'insulated from one another. For better handling, a grip area 20, in which a license plate 31 can be fastened, is additionally formed on the separating plug 29. In Fig. 6 a consisting of several terminal blocks 1 terminal block is shown. On both sides of the plurality of interconnected terminal blocks 1 each have a mounting clip 32 is arranged, which serve for easy and secure attachment of the terminal block in an opening of a cabinet door. For this purpose, a fixing element 34 is slidably disposed in the terminal housing 33 of the mounting clamp 32, which can be moved by means of an actuating element, such as a screwdriver in a clamping position.

Claims

Patentansprüche : Claims: 1. Elektrische Reihenklemme (1), mit einem Klemmengehäuse (2), mit mindestens zwei darin angeordneten Leiteranschlusselementen (3, 4) und mit zwei Strombalken (5, 6), wobei die Strombalken (5, 6) jeweils einen Anschlussabschnitt (7, 7') und mindestens einen federnden Kontaktabschnitt (8, 8') aufweisen, 1. Electrical terminal block (1), with a terminal housing (2), with at least two conductor connection elements (3, 4) arranged therein and with two current bars (5, 6), wherein the current bars (5, 6) each have a connection section (7, 7 ') and at least one resilient contact portion (8, 8') have, wobei die Anschlussabschnitte (7, 7') jeweils einem Leiteranschlusselement (3, 4) zugeordnet sind und die Kontaktabschnitte (8, 8') zusammen einen Kontaktbereich (9) zur Aufnahme und Kontaktierung des Steckers (10) eines Prüfsteckers (11) oder eines Trennsteckers (29) bilden, und wherein the terminal portions (7, 7 ') each associated with a conductor terminal element (3, 4) and the contact portions (8, 8') together a contact area (9) for receiving and contacting the plug (10) of a test plug (11) or a Form separator plug (29), and wobei sich die Kontaktabschnitte (8, 8') kontaktieren, wenn kein Stecker (10) eingesteckt ist, so dass die beiden Leiteranschlusselemente (3, 4) über die beiden Strombalken (5, 6) elektrische miteinander verbunden sind, wherein the contact portions (8, 8 ') contact, if no plug (10) is inserted, so that the two conductor connection elements (3, 4) via the two current bars (5, 6) are electrically connected to each other, dadurch gekennzeichnet, characterized, dass zwei Federelemente (12, 13) im Klemmengehäuse (2) angeordnet sind, die jeweils einen federnden Kontaktabschnitt (14, 14') aufweisen, two spring elements (12, 13) are arranged in the terminal housing (2), each having a resilient contact section (14, 14 '), dass die Kontaktabschnitte (14, 14') der beiden Federelemente (12, 13) zusammen einen weiteren Kontaktbereich (15) für den Stecker (10) bilden, der in Einsteckrichtung (E) des Steckers (10) vor dem Kontaktbereich (9) der Strombalken (5, 6) angeordnet ist, that the contact sections (14, 14 ') of the two spring elements (12, 13) together form a further contact region (15) for the plug (10), which in the insertion direction (E) of the plug (10) in front of the contact region (9) Current bar (5, 6) is arranged, und dass mindestens eines der Federelemente (12, 13) eine Aufnahme (16) für einen Schenkel (17) einer Steckbrücke (18) aufweist, and that at least one of the spring elements (12, 13) has a receptacle (16) for a leg (17) of a jumper (18), wobei jeweils ein Federelement (12, 13) über den Stecker (10) elektrisch leitend mit einem der Strombalken (5, 6) verbunden ist, wenn der Stecker (10) eines Prüfsteckers (11) oder eines Trennsteckers (29) in die Reihenklemme (1) eingesteckt ist. wherein in each case one spring element (12, 13) is electrically conductively connected to one of the current bars (5, 6) via the plug (10) when the plug (10) of a test plug (11) or a disconnect plug (29) is inserted into the terminal block (11). 1) is inserted. 2. Elektrische Reihenklemme (1) nach Anspruch 1, dadurch gekennzeichnet, dass die federnden Kontaktabschnitte (14, 14') der beiden Federelemente (12, 13) jeweils etwa C-förmig oder V-förmig ausgebildet sind. 2. Electrical terminal block (1) according to claim 1, characterized in that the resilient contact portions (14, 14 ') of the two spring elements (12, 13) are each formed approximately C-shaped or V-shaped. 3. Elektrische Reihenklemme (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die beiden Federelemente (12, 13) jeweils einen Verbindungsabschnitt (20, 20') aufweisen, in dem die Aufnahme (16) zum Einstecken eines Schenkels (17) einer Steckbrücke (18) ausgebildet ist. 3. Electrical terminal block (1) according to claim 1 or 2, characterized in that the two spring elements (12, 13) each have a connecting portion (20, 20 '), in which the receptacle (16) for inserting a leg (17). a jumper (18) is formed. 4. Elektrische Reihenklemme (1) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass in mindestens einem der Federelemente (12, 13) eine Ausnehmung als Aufnahme (16) zum Einstecken eines Schenkels (17) einer Steckbrücke (18) ausgebildet ist. 4. Electrical terminal block (1) according to one of claims 1 to 3, characterized in that in at least one of the spring elements (12, 13) has a recess as a receptacle (16) for insertion of a leg (17) of a jumper (18) is formed , 5. Elektrische Reihenklemme (1) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die beiden Strombalken (5, 6) jeweils einen zweiten federnden Kontaktabschnitt (21, 2 ) aufweisen, die voneinander beabstandet sind und zusammen einen zweiten Kontaktbereich (22) für einen Stecker (10) bilden, wobei der zweite Kontaktbereich (22) der Strombalken (5, 6) in Einsteckrichtung (E) des Steckers (10) zwischen dem ersten Kontaktbereich (9) der Strombalken (5, 6) und dem Kontaktbereich (15) der beiden Federelemente (12, 13) angeordnet ist. 5. Electrical terminal block (1) according to one of claims 1 to 4, characterized in that the two current bars (5, 6) each have a second resilient contact portion (21, 2) which are spaced apart and together form a second contact region (22 form) for a plug (10), wherein the second contact region (22) of the current bar (5, 6) in the insertion direction (E) of the plug (10) between the first contact region (9) of the current bar (5, 6) and the contact region (15) of the two spring elements (12, 13) is arranged. 6. Elektrische Reihenklemme (1) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die beiden Strombalken (5, 6) jeweils aus zwei einzelnen Metallstreifen (23, 24) bestehen, die miteinander elektrisch leitend verbunden sind, insbesondere miteinander verschweißt, verlötet oder vernietet sind, wobei die beiden Anschlussabschnitte (7, 7') jeweils von einem ersten Metallstreifen (23) und die Kontaktabschnitte (8, 8', 21, 21') jeweils von einem zweiten Metallstreifen (24) gebildet werden. 6. Electrical terminal block (1) according to one of claims 1 to 5, characterized in that the two current bars (5, 6) each consist of two individual metal strips (23, 24) which are electrically conductively connected to each other, in particular welded together, are soldered or riveted, wherein the two terminal portions (7, 7 ') each of a first metal strip (23) and the contact portions (8, 8', 21, 21 ') are each formed by a second metal strip (24). 7. Elektrische Reihenklemme (1) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass im Klemmengehäuse (2) eine Öffnung (25) zum Einstecken des Steckers (10) eines Prüfsteckers (11) oder eines Trennsteckers (29) in die Kontaktbereiche (9, 15, 22) und mindestens eine Öffnung (26) zum Einstecken des Schenkels (17) einer Steckbrücke (18) in die Aufnahme (16) eines Federelements (12, 13) ausgebildet sind, wobei die beiden Öffnungen (25, 26) von einer ersten Seite (27), der Bedienerseite, aus zugänglich sind. 7. Electrical terminal block (1) according to any one of claims 1 to 6, characterized in that in the terminal housing (2) has an opening (25) for inserting the plug (10) of a test plug (11) or a separating plug (29) in the contact areas (9, 15, 22) and at least one opening (26) for inserting the leg (17) of a jumper (18) in the receptacle (16) of a spring element (12, 13) are formed, wherein the two openings (25, 26 ) are accessible from a first side (27), the operator side. 8. Reihenklernmenblock bestehend aus mindestens zwei nebeneinander angeordnete Reihenklemmen (1, ) nach einem der Ansprüche 1 bis 7, und mindestens einer Steckbrücke (18), die mindestens zwei Schenkel (17) aufweist, dadurch gekennzeichnet, 8. Reihenklernmenblock consisting of at least two juxtaposed terminal blocks (1,) according to one of claims 1 to 7, and at least one jumper (18) having at least two legs (17), characterized dass in mindestens einem Federelement (12, 13) der ersten Reihenklemme (1) und in dem entsprechenden Federelement (12, 13) der zweiten Reihenklemme (Γ) jeweils ein Schenkel (17) der Steckbrücke (18) eingesteckt ist, so dass zwei Leiteranschlusselemente (4) der beiden elektrischen Reihenklemmen (1, ) elektrisch leitend miteinander verbunden sind, wenn in den beiden Reihenklemmen (1, ) ein Stecker (10) eines Prüfsteckers (11) oder eines Trennsteckers (29) eingesteckt ist. in that in each case one leg (17) of the jumper (18) is inserted in at least one spring element (12, 13) of the first terminal block (1) and in the corresponding spring element (12, 13) of the second terminal block (Γ), so that two conductor connection elements (4) of the two electrical terminal blocks (1,) are electrically conductively connected to each other when in the two terminal blocks (1,) a plug (10) of a test plug (11) or a separating plug (29) is inserted. 9. Reihenklemmenblock nach Anspruch 8, dadurch gekennzeichnet, dass die Reihenklemmen (1, ) über im Klemmengehäuse (2) ausgebildete korrespondierende Rastelement mechanisch miteinander verbunden sind. 9. terminal block according to claim 8, characterized in that the terminal blocks (1,) via the terminal housing (2) formed corresponding locking element are mechanically interconnected. 10. Reihenklemmenblock nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass auf beiden Seiten der Mehrzahl von nebeneinander angeordneten Reihenklemmen (1, ) jeweils eine Befestigungsklemme (32) angeordnet ist, die ein Klemmengehäuse (33) mit einem darin verschiebbar angeordneten Fixierelement (34) aufweist. 10. terminal block according to claim 8 or 9, characterized in that on both sides of the plurality of juxtaposed terminal blocks (1,) each have a fastening clip (32) is arranged, which has a terminal housing (33) with a fixing element (34) displaceably arranged therein having.
EP16757612.3A 2015-08-26 2016-08-19 Electric terminal block Active EP3342005B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015114186.8A DE102015114186A1 (en) 2015-08-26 2015-08-26 Electrical terminal block
PCT/EP2016/069682 WO2017032703A1 (en) 2015-08-26 2016-08-19 Electric terminal block

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EP3342005A1 true EP3342005A1 (en) 2018-07-04
EP3342005B1 EP3342005B1 (en) 2020-11-18

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US (1) US10361497B2 (en)
EP (1) EP3342005B1 (en)
CN (1) CN107925174B (en)
DE (1) DE102015114186A1 (en)
EA (1) EA034283B1 (en)
ES (1) ES2835902T3 (en)
WO (1) WO2017032703A1 (en)

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DE102017124143A1 (en) 2017-10-17 2019-04-18 Phoenix Contact Gmbh & Co. Kg mounting clamp
DE102018109377A1 (en) * 2018-04-19 2019-10-24 Phoenix Contact Gmbh & Co. Kg Connection device with a separation bridge
DE102018127087B4 (en) * 2018-10-30 2020-12-17 Phoenix Contact Gmbh & Co. Kg Electrical terminal block
BE1026735B1 (en) * 2018-10-30 2020-06-02 Phoenix Contact Gmbh & Co Electrical terminal block
US10594059B1 (en) 2019-01-11 2020-03-17 Phoenix Contact Development and Manufacturing, Inc. Feed-through terminal block module
DE202019103271U1 (en) * 2019-06-11 2020-09-16 Wago Verwaltungsgesellschaft Mbh Conductor connection terminal, assortment of at least one base module and differently designed conductor connection modules of a conductor connection terminal and conductor connection terminal block
CN110474199B (en) * 2019-09-17 2024-05-28 常州博瑞电力自动化设备有限公司 Electric connection terminal and electric connector plug
DE102019125746A1 (en) * 2019-09-25 2021-03-25 Phoenix Contact Gmbh & Co. Kg Terminal block arrangement with pick-off terminal
CN114930643B (en) * 2020-01-09 2025-10-14 菲尼克斯电气公司 Electrical device having a contact arrangement for detachably connecting bus segments
CN112531442A (en) * 2020-11-25 2021-03-19 云南电网有限责任公司电力科学研究院 Method for manufacturing safety device of terminal

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DE102006052894B4 (en) 2006-11-08 2013-05-16 Phoenix Contact Gmbh & Co. Kg Terminal block, test plug and test terminal block
DE102010034863A1 (en) * 2010-08-19 2012-02-23 Phoenix Contact Gmbh & Co. Kg Electrical connection terminal
DE102011113333B4 (en) 2011-09-15 2014-07-03 Phoenix Contact Gmbh & Co. Kg Electrical terminal block and terminal block
DE102012011676B4 (en) * 2012-05-14 2022-02-03 Phoenix Contact Gmbh & Co. Kg Fastening clamp and assembly with two fastening clamps and several terminal blocks arranged side by side
DE102012017429B4 (en) 2012-09-04 2018-11-22 Phoenix Contact Gmbh & Co. Kg Test terminal block and module consisting of a mounting clamp and a mounting part
DE102015102257B4 (en) * 2015-02-17 2017-08-24 Phoenix Contact Gmbh & Co. Kg Electrical terminal block and connector system for terminal blocks with an operating or test plug

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CN107925174A (en) 2018-04-17
EA201890580A1 (en) 2018-08-31
US10361497B2 (en) 2019-07-23
US20180261934A1 (en) 2018-09-13
WO2017032703A1 (en) 2017-03-02
DE102015114186A1 (en) 2017-03-02
CN107925174B (en) 2020-02-18
EP3342005B1 (en) 2020-11-18
EA034283B1 (en) 2020-01-24
ES2835902T3 (en) 2021-06-23

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