Arc-free electromagnetic contactor

Details Arc-free electromagnetic contactor Arc-free electromagnetic contactor

H - Electricity

01

H

306/93

H01H 9/30 (2006.01) H01H 9/54 (2006.01) H01H 1/20 (2006.01)

Patent

CA 1271502

A B S T R A C T An improved electromagnetic contactor without arc- generation wherein the silver contacts are omitted by improving the contact portions between the fixed terminals and the movable piece to separate the semi-conductor com- pletely from the power supply under open-circuit condition. In the contactor, the cylindrical holes are provided in each silver contact portions of the fixed terminals, the circumference of which are rounded to fit with the cur- vature radius of the contact portions which project from the conductive movable piece. The conductive pins wound by the coil springs are supported by the insulating plates to be isolated from the fixed terminals and also elect- rically connected via the subsidiary terminals to one terminal and a gate of triac, respectively.

538616

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