Circuit breaker accessories incorporating improved auxiliary swi

Details Circuit breaker accessories incorporating improved auxiliary swi Circuit breaker accessories incorporating improved auxiliary swi

1974-04-25

1976-08-03

Miller, J. D.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335 17, 335 25, H01H 7500

Patent

active

039732304

ABSTRACT:
An auxiliary switch is incorporated in an accessorial molded circuit breaker case juxtaposed with one or more molded case circuit breakers and operatively interconnected therewith by an internal common trip bar and an external handle tie. The auxiliary switch arm is variously positioned by the common trip bar in relation to a contact variously positioned by the accessorial case handle so as to selectively control an external operating or indicating circuit depending on the relative positions of the trip bar and accessorial case handle. The auxiliary switch may be utilized in a shunt trip solenoid energizing circuit or in a trip alarm circuit.

REFERENCES:
patent: 3256407 (1966-06-01), Klein
patent: 3288965 (1966-11-01), Klein
patent: 3388357 (1968-06-01), Lawson et al.
patent: 3436695 (1969-04-01), Dessert
patent: 3530412 (1970-09-01), Gryctko
patent: 3720891 (1973-03-01), Nicol
patent: 3820046 (1974-06-01), Layton et al.

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