Molded case circuit breaker multi-pole crossbar assembly

Details Molded case circuit breaker multi-pole crossbar assembly Molded case circuit breaker multi-pole crossbar assembly

H - Electricity

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H01H 9/24 (2006.01) H01H 71/10 (2006.01) H01H 71/44 (2006.01) H01H 71/46 (2006.01) H01H 71/52 (2006.01) H01H 9/00 (2006.01) H01H 71/50 (2006.01)

Patent

CA 2056542

41PR-6875 MOLDED CASE CIRCUIT BREAKER MULTI-POLE CROSSBAR ASSEMBLY ABSTRACT OF THE DISCLOSURE A modular crossbar arrangement for molded case circuit breakers allows a plurality of contact arm assemblies to be in- terconnected from a single modular unit. To provide increased acceleration to the movable contact arms a contact arm accelera- tor lever interfaces with the contact arm and crossbar assembly. To promote further acceleration of the movable contact arms to their closed positions, the movable contact arms in a multi-pole circuit breaker are staggered with respect to their rotational alignment within each pole on the crossbar assembly.

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