Circuit breaker with common trip mechanism

Details Circuit breaker with common trip mechanism Circuit breaker with common trip mechanism

1994-07-05

1996-09-17

Brown, Brian W.

Electricity: circuit makers and breakers

Interlocking

Between plural switches

335 9, H01H 7302

Patent

active

055570828

ABSTRACT:
A circuit breaker mechanism is provided with a U-shaped tripping lever which has a base and first and second parallel legs. The tripping lever is arranged around the magnetic frame of the circuit breaker and is mounted on pivot points which coincide with the pivot axis of the circuit breaker armature. On one leg is an outwardly extending projection, while on the other leg is a complemental cavity. A number of circuit breakers can be assembled side-by-side, with the projection on the tripping lever of a first circuit breaker engaging the cavity in the tripping lever of an adjacent circuit breaker. Thus, when one circuit breaker is tripped, the others are tripped together with it.

REFERENCES:
patent: 3786380 (1974-01-01), Harper
patent: 3840833 (1974-10-01), Mrenna et al.
patent: 4347488 (1982-08-01), Mune et al.
patent: 4727226 (1988-02-01), Comtois et al.

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