Contactor and/or circuit breaker

Details Contactor and/or circuit breaker Contactor and/or circuit breaker

H - Electricity

01

H

306/59

H01H 67/02 (2006.01) H01H 71/40 (2006.01) H01H 89/06 (2006.01) H01H 50/44 (2006.01) H01H 71/02 (2006.01) H01H 71/16 (2006.01) H01H 71/46 (2006.01)

Patent

CA 1295358

ABSTRACT OF THE DISCLOSURE A contactor which includes a contact bridge holder for opening and closing a first plurality of contacts of an electric circuit, a second plurality of additional contacts for each electrical phase and a coil connection of an associated magnetic system, respectively; the magnetic system including thermo trippers and magnetic trippers for selectively operating the first plurality of contacts, three actuation members each mounted for pivoting movement, the first of the actuation members being connected to a slider which is in turn connected to the second plurality of contacts, the second actuation member being operative by the magnetic tripper, the third actuation member being operative by the thermal tripper, the first and second actuation members having end portions which are normally in engagement when the trippers are not actuated and the second plurality of contacts are open, and the normally engaging end portions of the first and second actuating members are moved out of engagement upon the operation of either of the trippers resulting in operation of the slider and the opening of the second plurality of contacts.

582438

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