ES2569948T3 - Contact closure device for a switch - Google Patents
Contact closure device for a switch Download PDFInfo
- Publication number
- ES2569948T3 ES2569948T3 ES14002118.9T ES14002118T ES2569948T3 ES 2569948 T3 ES2569948 T3 ES 2569948T3 ES 14002118 T ES14002118 T ES 14002118T ES 2569948 T3 ES2569948 T3 ES 2569948T3
- Authority
- ES
- Spain
- Prior art keywords
- contact
- lever
- disconnection
- movable
- spring
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims abstract description 3
- 230000006835 compression Effects 0.000 claims abstract description 3
- 238000007906 compression Methods 0.000 claims abstract description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/22—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact
- H01H1/221—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member
- H01H1/226—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member having a plurality of parallel contact bars
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
- H01H2300/046—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H using snap closing mechanisms
- H01H2300/048—Snap closing by latched movable contact, wherein the movable contact is held in a minimal distance from the fixed contact during first phase of closing sequence in which a closing spring is charged
Landscapes
- Breakers (AREA)
- Push-Button Switches (AREA)
- Keying Circuit Devices (AREA)
- Tumbler Switches (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
Un dispositivo de cierre de contactos (1) para un interruptor (100) comprendiendo al menos un contacto movible (3) y al menos un contacto fijo (103), siendo operado dicho contacto movible (3) por medio de un mecanismo (104) accionado por una palanca de operación (106); soportando una palanca de sujeción de contactos (2) uno o más contactos movibles (3); teniendo dicha palanca de sujeción de contactos (2) un movimiento de giro entre una posición de contactos abiertos y una posición de contactos cerrados; teniendo cada uno de dichos contactos movibles (3) un movimiento de oscilación dentro de un asiento respectivo (21) formado en dicha palanca de sujeción de contactos (2); una palanca de desconexión (8) asociada a dicha palanca de sujeción de contactos (2) y adaptada para accionar el movimiento de oscilación de cada contacto movible (3); estando caracterizado dicho dispositivo de cierre (1) por que cada contacto movible (3) está dispuesto en dicho asiento respectivo (21) junto con un resorte respectivo (5) y una cuchilla de desconexión respectiva (7); siendo aplicada cada cuchilla de desconexión (7) por dicha palanca de desconexión (8) durante una porción de dicho movimiento de giro de dicha palanca de desconexión (8) desde dicha posición de contactos abiertos hasta dicha posición de contactos cerrados; bloqueando dicha cuchilla de desconexión (7) durante dicha porción del movimiento de giro al menos parcialmente el movimiento de dicho contacto movible (3) y experimentando dicho resorte (5) una compresión; al final de dicha porción del movimiento de giro, dicha cuchilla de desconexión (7) se desaplica de dicha palanca de desconexión (8), dejando de esta manera dicho contacto movible (3) libre de entrar en contacto con dicho contacto fijo (103) mediante la acción de dicho resorte (5); dicha cuchilla de desconexión (7) está dispuesta dentro de dicho asiento (21) de dicha palanca de sujeción de contactos (2) y tiene un extremo (71) adaptado a ser aplicado por dicha palanca de desconexión (8) dispuesto en dicha palanca de sujeción de contactos (2).A contact closure device (1) for a switch (100) comprising at least one movable contact (3) and at least one fixed contact (103), said movable contact (3) being operated by means of a mechanism (104) operated by an operating lever (106); supporting a contact holding lever (2) one or more movable contacts (3); said contact holding lever (2) having a rotation movement between an open contact position and a closed contact position; each of said movable contacts (3) having an oscillating movement within a respective seat (21) formed in said contact holding lever (2); a disconnection lever (8) associated with said contact holding lever (2) and adapted to drive the oscillating movement of each movable contact (3); said closing device (1) being characterized in that each movable contact (3) is arranged in said respective seat (21) together with a respective spring (5) and a respective disconnecting blade (7); each disconnecting blade (7) being applied by said disconnecting lever (8) during a portion of said turning movement of said disconnecting lever (8) from said open contact position to said closed contact position; blocking said disconnecting blade (7) during said portion of the turning movement at least partially the movement of said movable contact (3) and experiencing said spring (5) a compression; at the end of said portion of the turning movement, said disconnecting blade (7) is disengaged from said disconnecting lever (8), thereby leaving said movable contact (3) free to come into contact with said fixed contact (103) by the action of said spring (5); said disconnection blade (7) is disposed within said seat (21) of said contact holding lever (2) and has an end (71) adapted to be applied by said disconnection lever (8) disposed on said lever of contact clamping (2).
Description
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DESCRIPCIONDESCRIPTION
Dispositivo de cierre de contactos para un interruptorContact closure device for a switch
La invencion presente se refiere a un dispositivo de cierre de contactos para un interruptor.The present invention relates to a contact closure device for a switch.
Se conocen interruptores electricos que usan mecanismos que permiten abrir y cerrar una pluralidad de contactos movibles en paralelo y de forma sincronizada operando una palanca exterior a la que puede acceder el usuario y por la intervencion automatica de los dispositivos de proteccion dispuestos en el interruptor.Electrical switches are known that use mechanisms that allow to open and close a plurality of movable contacts in parallel and in a synchronized manner by operating an external lever that the user can access and by the automatic intervention of the protection devices arranged in the switch.
Algunos interruptores estan provistos de dispositivos que permiten hacer que la velocidad de cierre de los contactos sea independiente de la velocidad de operacion de la palanca.Some switches are equipped with devices that allow the closing speed of the contacts to be independent of the operating speed of the lever.
De hecho, es preferible que los contactos cierren instantaneamente, para impedir efectos peligrosos, tales como la aparicion de un arco electrico entre los contactos cuando se aproximan.In fact, it is preferable that the contacts close instantly, to prevent dangerous effects, such as the appearance of an electric arc between the contacts when they approach.
El documento FR-2717617 y el documento EP2061060 describen interruptores electricos provistos de sistemas que garantizan un rapido cierre de contactos.Document FR-2717617 and document EP2061060 describe electrical switches provided with systems that guarantee rapid contact closure.
El documento FR2686453 describe un interruptor diferencial que tiene un mecanismo rapido de desaplicacion en una caja, entre una palanca de operacion y un soporte de contactos.Document FR2686453 describes a differential switch that has a rapid mechanism of disengagement in a box, between an operating lever and a contact support.
Los dos problemas constantes en el diseno de estos interruptores son la complejidad de los mecanismos y las dimensiones.The two constant problems in the design of these switches are the complexity of the mechanisms and dimensions.
Existe una necesidad constante de simplificar los mecanismos, desde el punto de vista constructivo, con el fin de hacer que la produccion sea economica y es tambien muy importante hacer que el ensamblaje sea simple y automatizado.There is a constant need to simplify the mechanisms, from the constructive point of view, in order to make the production economical and it is also very important to make the assembly simple and automated.
Otro problema fundamental consiste en mejorar la actuacion de los interruptores, a la vez que se mantienen pequenas las dimensiones y en cualquier caso dentro de los estandares.Another fundamental problem is to improve the operation of the switches, while keeping the dimensions small and in any case within the standards.
El objetivo de la invencion presente es proporcionar un dispositivo para cerrar los contactos de un interruptor que asegure un cierre rapido que sea independiente de la velocidad de operacion de la palanca de operacion, con una estructura que sea simple y que se pueda producir economicamente.The aim of the present invention is to provide a device for closing the contacts of a switch that ensures a rapid closure that is independent of the operating speed of the operating lever, with a structure that is simple and can be economically produced.
Dentro del alcance de este objetivo, un objeto de la invencion es proporcionar un dispositivo de cierre de contactos que puede ser usado en interruptores de seguridad, tales como interruptores automaticos de corriente residual e interruptores automaticos magnetotermicos.Within the scope of this objective, an object of the invention is to provide a contact closure device that can be used in safety switches, such as residual current circuit breakers and circuit breakers.
Otro objeto de la invencion presente es proporcionar un dispositivo que, debido a sus caracterlsticas de construccion particulares, puede ofrecer las mayores garantlas de fiabilidad y seguridad de uso.Another object of the present invention is to provide a device that, due to its particular construction characteristics, can offer the greatest guarantees of reliability and safety of use.
Este objetivo, estos objetos y otros que se haran evidentes a continuacion en esta memoria se consiguen mediante un dispositivo de cierre de contactos para un interruptor que comprende al menos un contacto movible y al menos un contacto fijo, siendo operado dicho contacto movible por medio de un mecanismo accionado por una palanca de operacion; una palanca de sujecion de contactos que soporta uno o mas contactos movibles; dicha palanca de sujecion de contactos tiene un movimiento de giro entre una posicion de contacto abierto y una posicion de contacto cerrado; cada uno de dichos contactos movibles tiene un movimiento de oscilacion dentro de un asiento respectivo formado en dicha palanca de sujecion de contactos; una palanca de desconexion asociada a dicha palanca de sujecion de contactos y adaptada para activar el movimiento de oscilacion de cada contacto movible; dicho dispositivo de cierre se caracteriza por que cada contacto movible esta dispuesto en dicho asiento respectivo junto con un resorte respectivo y una cuchilla de desconexion respectiva; cada cuchilla de desconexion es aplicada por dicha palanca de desconexion durante una porcion de dicho movimiento de giro de dicha palanca de desconexion desde dicha posicion de contacto abierto hasta dicha posicion de contacto cerrado; durante dicha porcion del movimiento de giro dicha cuchilla de desconexion bloquea al menos parcialmente el movimiento de dicho contacto movible y dicho resorte experimenta una compresion; al final de dicha porcion del movimiento de giro, dicha cuchilla de desconexion se desaplica de dicha palanca de desconexion, dejando de esta manera dicho contacto movible libre para entrar en contacto con dicho contacto fijo mediante la accion de dicho resorte; dicha cuchilla de desconexion esta dispuesta dentro de dicho asiento de dicha palanca de sujecion de contactos y tiene un extremo adaptado a ser aplicado por dicha palanca de desconexion dispuesta en dicha palanca de sujecion de contactos.For this purpose, these objects and others that will become apparent hereinafter are achieved by means of a contact closure device for a switch comprising at least one movable contact and at least one fixed contact, said movable contact being operated by means of a mechanism operated by an operating lever; a contact holding lever that supports one or more movable contacts; said contact holding lever has a turning movement between an open contact position and a closed contact position; each of said movable contacts has an oscillating movement within a respective seat formed in said contact holding lever; a disconnection lever associated with said contact holding lever and adapted to activate the oscillation movement of each movable contact; said closing device is characterized in that each movable contact is disposed in said respective seat together with a respective spring and a respective disconnecting blade; each disconnecting blade is applied by said disconnecting lever during a portion of said turning movement of said disconnecting lever from said open contact position to said closed contact position; during said portion of the rotational movement said disconnection blade at least partially blocks the movement of said movable contact and said spring undergoes compression; at the end of said portion of the turning movement, said disconnecting blade is disengaged from said disconnecting lever, thereby leaving said movable contact free to come into contact with said fixed contact by the action of said spring; said disconnection blade is disposed within said seat of said contact holding lever and has an end adapted to be applied by said disconnecting lever arranged on said contact holding lever.
Otras caracterlsticas y ventajas se haran evidentes a partir de la description de realizaciones preferidas pero no exclusivas de la invencion, ilustradas a modo de ejemplos no limitadores en los dibujos que se adjuntan, en donde:Other features and advantages will become apparent from the description of preferred but not exclusive embodiments of the invention, illustrated by way of non-limiting examples in the accompanying drawings, where:
La Figura 1 es una vista lateral de un interruptor automatico de corriente residual, mostrado en la condition de contactos abiertos;Figure 1 is a side view of a residual current circuit breaker, shown in the condition of open contacts;
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La Figura 2 es una vista, similar a la precedente, que muestra el interruptor automatico en un paso de cierre de contactos;Figure 2 is a view, similar to the preceding one, showing the circuit breaker in a contact closure step;
La Figura 3 es una vista, similar a la precedente, que muestra el interruptor automatico en la condition de contactos cerrados;Figure 3 is a view, similar to the preceding one, showing the circuit breaker in the closed contact condition;
La Figura 4 es una vista en perspectiva en despiece ordenado del dispositivo de cierre segun la invention presente; La Figura 5 es una vista en perspectiva del dispositivo de cierre en la condicion ensamblada.Figure 4 is an exploded perspective view of the closure device according to the present invention; Figure 5 is a perspective view of the closure device in the assembled condition.
Con referencia a las Figuras citadas, el dispositivo de cierre de contactos, segun la invencion, generalmente designado por el numero de referencia 1, se describe en esta memoria dentro de un interruptor automatico de corriente residual, generalmente designado por el numero de referencia 100, que incluye un circuito de corriente residual 101, constituido por un rele y un transformador diferencial. El circuito de corriente residual 101 esta adaptado para activar el movimiento de al menos un contacto movible 3 con respecto a un contacto fijo 103, mediante un mecanismo de desconexion libre 104, con el fin de cerrar o abrir el circuito entre dos terminales de entrada y de salida 105.With reference to the cited Figures, the contact closure device, according to the invention, generally designated by reference number 1, is described herein within a residual current circuit breaker, generally designated by reference number 100, which includes a residual current circuit 101, consisting of a relay and a differential transformer. The residual current circuit 101 is adapted to activate the movement of at least one movable contact 3 with respect to a fixed contact 103, by means of a free disconnection mechanism 104, in order to close or open the circuit between two input terminals and output 105.
El interruptor automatico 100 tiene una palanca de accionamiento 106 para el accionamiento manual del mecanismo 104.The circuit breaker 100 has a drive lever 106 for manual actuation of the mechanism 104.
El mecanismo 104 incluye el dispositivo de cierre 1, que tiene al menos una palanca de sujecion de contactos 2. Un contacto movible 3 esta dispuesto en la palanca de sujecion de contactos 2 y un platino de contacto 102 esta fijado al contacto movible 3.The mechanism 104 includes the closing device 1, which has at least one contact holding lever 2. A movable contact 3 is disposed on the contact holding lever 2 and a contact platinum 102 is fixed to the movable contact 3.
El contacto movible 3 esta constituido por un brazo de soporte de contactos 31 que esta incorporado a un brazo de soporte 32 mediante una portion curvada 33.The movable contact 3 is constituted by a contact support arm 31 which is incorporated into a support arm 32 by means of a curved portion 33.
El brazo de soporte 32 esta provisto de una ranura 34 y de una pestana 35.The support arm 32 is provided with a groove 34 and a flange 35.
El contacto movible 3 puede oscilar dentro de un asiento respectivo 21 formado en la palanca 2, en contraste con un resorte 5, que esta interpuesto entre el brazo de soporte de contactos 31 y un soporte de resorte 6, que esta dispuesto dentro del asiento 21 de la palanca 2 .The movable contact 3 can oscillate within a respective seat 21 formed in the lever 2, in contrast to a spring 5, which is interposed between the contact support arm 31 and a spring support 6, which is disposed within the seat 21 of lever 2.
El soporte de resorte 6 tiene un saliente 61 que se aplica a un extremo del resorte 5. El soporte de resorte 6 tiene tambien un rebajo 62 provisto de un diente interno 63 que se aplica a la ranura 34 del contacto movible 3.The spring support 6 has a projection 61 which is applied to one end of the spring 5. The spring support 6 also has a recess 62 provided with an internal tooth 63 which is applied to the groove 34 of the movable contact 3.
Una hendidura 64, dispuesta en el rebajo 62, se aplica a la pestana 35 del contacto movible 3.A slit 64, arranged in the recess 62, is applied to the flange 35 of the movable contact 3.
Una cuchilla de desconexion 7 esta montada dentro del asiento 21 de la palanca 2 y tiene dispuesto un extremo 71 que esta adaptado a ser aplicado por una palanca de desconexion 8 dispuesta en la palanca 2.A disconnect blade 7 is mounted inside the seat 21 of the lever 2 and has an end 71 that is adapted to be applied by a disconnect lever 8 arranged on the lever 2.
La palanca de desconexion 8 tiene dispuesto un saliente 81 para cada hoja de desconexion 7.The disconnect lever 8 has a projection 81 for each disconnect sheet 7.
La palanca de desconexion 8 tiene tambien una pestana de desconexion 82 que es movida por una leva 9 que esta dispuesta en el eje de giro de la palanca de sujecion de contactos 2.The disconnect lever 8 also has a disconnect flange 82 which is moved by a cam 9 which is arranged on the axis of rotation of the contact holding lever 2.
La palanca de sujecion de contactos 2 puede incluir uno o mas contactos movibles, por ejemplo, dos, como en el ejemplo ilustrado, o cuatro o mas.The contact holding lever 2 may include one or more movable contacts, for example, two, as in the illustrated example, or four or more.
La palanca de desconexion 8 es una palanca unica y permite bloquear temporalmente los contactos movibles y liberarlos en un instante dado.The disconnect lever 8 is a unique lever and allows to temporarily block the movable contacts and release them at any given time.
Cada contacto movible tiene dispuesta una cuchilla de desconexion 7, que se aplica a la palanca de desconexion 8, durante la maniobra de cierre, bloqueando el movimiento del contacto movible 3 respectivo en la direction del contacto fijo 103, pero liberando el contacto movible 3 en un instante dado.Each movable contact has a disconnect blade 7, which is applied to the disconnect lever 8, during the closing maneuver, blocking the movement of the respective movable contact 3 in the direction of the fixed contact 103, but releasing the movable contact 3 in a given moment
En este paso, el extremo superior de cada hoja de desconexion 7 esta aplicado al saliente 81 respectivo de la palanca de desconexion 8.In this step, the upper end of each disconnect sheet 7 is applied to the respective projection 81 of the disconnect lever 8.
Durante la maniobra de cierre, mientras que la palanca del soporte de contactos 2 gira y el movimiento del contacto movible 3 esta bloqueado, el resorte 5 es comprimido.During the closing maneuver, while the lever of the contact support 2 rotates and the movement of the movable contact 3 is locked, the spring 5 is compressed.
Tras la desconexion, es decir, cuando la cuchilla de desconexion 7 se desacopla de la palanca de desconexion 8, el resorte se extiende y genera un movimiento instantaneo del contacto movible 3 hacia el contacto fijo 103, cerrando el circuito electrico entre los terminales en el lado de la fuente de alimentation y de los terminales en el lado de la carga.After disconnection, that is, when the disconnection blade 7 is disengaged from the disconnection lever 8, the spring extends and generates an instantaneous movement of the movable contact 3 towards the fixed contact 103, closing the electrical circuit between the terminals in the side of the power supply and the terminals on the load side.
Las Figuras 1 - 3 ilustran la secuencia de los movimientos del dispositivo en el paso de la posicion de contactos abiertos a la posicion de contactos cerrados debido a la maniobra inducida por la palanca de operacion 106.Figures 1 - 3 illustrate the sequence of the movements of the device in the passage from the position of open contacts to the position of closed contacts due to the maneuver induced by the operating lever 106.
En la practica se ha descubierto que la invencion consigue el objetivo y los objetos pretendidos, proporcionando un dispositivo para cerrar los contactos de un interruptor que asegura un cierre de contactos independiente de la 5 velocidad de operacion de la palanca del interruptor.In practice it has been discovered that the invention achieves the objective and the intended objects, providing a device for closing the contacts of a switch that ensures a contact closure independent of the operating speed of the switch lever.
El dispositivo segun la invencion presente es estructuralmente simple y puede ser producido facil y economicamente, al mismo tiempo que garantiza una alta fiabilidad y durabilidad.The device according to the present invention is structurally simple and can be produced easily and economically, while ensuring high reliability and durability.
Claims (6)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI20131034 | 2013-06-21 | ||
| IT001034A ITMI20131034A1 (en) | 2013-06-21 | 2013-06-21 | DEVICE FOR CLOSING CONTACTS OF A SWITCH |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2569948T3 true ES2569948T3 (en) | 2016-05-13 |
Family
ID=48877389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES14002118.9T Active ES2569948T3 (en) | 2013-06-21 | 2014-06-19 | Contact closure device for a switch |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2816577B1 (en) |
| CN (1) | CN104241052B (en) |
| ES (1) | ES2569948T3 (en) |
| IT (1) | ITMI20131034A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104599913B (en) * | 2015-01-21 | 2016-08-24 | 温州高能电气有限公司 | A kind of RCCB |
| WO2022000272A1 (en) * | 2020-06-30 | 2022-01-06 | 浙江沃斯托电气有限公司 | Circuit breaker |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2686453B1 (en) * | 1992-01-17 | 1994-04-08 | Legrand | DIFFERENTIAL SWITCH. |
| US5539167A (en) * | 1994-02-14 | 1996-07-23 | Square D. Company | Blade suspension assemlby for a circuit breaker |
| FR2717617B1 (en) | 1994-03-15 | 1996-05-31 | Hager Electro | Improvement to differential switches. |
| FR2740900B1 (en) * | 1995-11-08 | 1998-01-09 | Legrand Sa | ELECTRIC APPARATUS WITH SNAP-ON |
| US5931289A (en) * | 1998-03-10 | 1999-08-03 | Eaton Corporation | Circuit breaker with quick closing mechanism |
| US6563407B2 (en) * | 2001-08-21 | 2003-05-13 | Siemens Energy & Automation, Inc. | Pivot joint for a movable contact arm in a molded case circuit breaker |
| JP4059058B2 (en) * | 2002-10-28 | 2008-03-12 | 富士電機機器制御株式会社 | Circuit breaker |
| CN100428391C (en) * | 2006-07-20 | 2008-10-22 | 常熟开关制造有限公司(原常熟开关厂） | Tripping device for breaker operation mechanism |
| ITBG20060054A1 (en) * | 2006-10-13 | 2008-04-14 | Abb Service Srl | LOW VOLTAGE DEVICE WITH REINFORCED MOBILE CREW |
| FR2923941B1 (en) | 2007-11-16 | 2014-09-05 | Schneider Electric Ind Sas | ELECTRICAL CUTTING DEVICE SUCH AS A CIRCUIT BREAKER OR SWITCH |
| WO2010016114A1 (en) * | 2008-08-06 | 2010-02-11 | 三菱電機株式会社 | Movable contactor device of circuit breaker |
| CN102110553B (en) * | 2011-03-07 | 2013-01-16 | 法泰电器（江苏）股份有限公司 | Operating mechanism of selective protection switch |
-
2013
- 2013-06-21 IT IT001034A patent/ITMI20131034A1/en unknown
-
2014
- 2014-06-19 ES ES14002118.9T patent/ES2569948T3/en active Active
- 2014-06-19 EP EP14002118.9A patent/EP2816577B1/en active Active
- 2014-06-23 CN CN201410427609.7A patent/CN104241052B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| ITMI20131034A1 (en) | 2014-12-22 |
| CN104241052A (en) | 2014-12-24 |
| EP2816577B1 (en) | 2016-03-30 |
| EP2816577A1 (en) | 2014-12-24 |
| CN104241052B (en) | 2017-11-28 |
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