Circuit breaker with contacts which are not engageable when the

Details Circuit breaker with contacts which are not engageable when the Circuit breaker with contacts which are not engageable when the

1975-09-11

1977-05-10

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Tripping means

335 24, 335174, H01H 920, H01H 7500

Patent

active

040231275

ABSTRACT:
A circuit breaker with contacts which are not engageable when the electrical sensing unit thereof is energized above a predetermined level (at which the contacts would be tripped open if closed) even though the handle of the linkage mechanism of the circuit breaker is moved to the contacts closed (or contacts engaged) position.

REFERENCES:
patent: 3273089 (1966-09-01), Franz
patent: 3329913 (1967-07-01), Camp

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