Circuit breaker condition indicator apparatus

Details Circuit breaker condition indicator apparatus Circuit breaker condition indicator apparatus

1980-06-23

1981-11-17

Broome, Harold

Electricity: circuit makers and breakers

Liquid contact

Time delay

200308, 335 17, H01H 920, H01H 7312

Patent

active

043013422

ABSTRACT:
In an industrial circuit breaker having a spring-powered movable contact operating mechanism and a spring-powered charging mechanism, each having the facility of storing a charge rendering the circuit breaker capable of being closed, condition indicator apparatus includes a first indicator for indicating whether the breaker movable contacts are open or closed and a second indicator for indicating whether or not a charge is stored in either the operating mechanism or the charging mechanism.

REFERENCES:
patent: 4166989 (1979-09-01), Castonguay et al.
patent: 4220936 (1980-09-01), Powell
patent: 4251702 (1981-02-01), Castonguay et al.

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