Electromagnetic drive for a switch

H - Electricity – 01 – H

Patent

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Details

H01H 50/64 (2006.01) H01H 50/16 (2006.01) H01H 89/08 (2006.01)

Patent

CA 2246437

An electromagnetic drive for a switch, preferably a motor protective circuit-breaker. The electromagnetic drive has a magnetic system, whose movable armature serves to actuate switching contact elements in the switch. The armature is coupled to a transmission lever by a leaf spring. One end the leaf spring is fixedly clamped and the other end of the leaf spring is connected to the transmission lever in such a way that the transmission lever is actuated when the leaf spring flexes and thus the free end of the leaf spring is displaced.

La présente invention a pour objet un système électromagnétique de commande pour interrupteur, de préférence pour disjoncteur asservi à la protection d'un moteur. Le dispositif électromagnétique de commande comporte un circuit magnétique dont l'induit mobile sert à actionner les composants de l'interrupteur. L'induit est couplé à un levier de transmission par l'intermédiaire d'une lame ressort. Une des extrémités de la lame ressort est solidement fixée, l'autre étant reliée au levier de transmission, de manière à ce que la flexion de la lame ressort produise l'actionnement du levier, l'extrémité libre de la lame ressort se déplaçant librement.

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