Circuit breaker closure control and condition indicator apparatu

Details Circuit breaker closure control and condition indicator apparatu Circuit breaker closure control and condition indicator apparatu

1978-02-27

1978-12-05

Garbe, Stephen P.

Electricity: circuit makers and breakers

Electric switch details

Indicators

200153SC, 200154, 200321, H01H 900, H01H 300

Patent

active

041287509

ABSTRACT:
A circuit breaker is provided with a hook operating to hold the breaker movable contacts open against the bias of charged mechanism springs. The hook is selectively actuated to release the contacts for abrupt closure under the urgence of the mechanism springs. An indicator is appropriately positioned under the joint control of the breaker mechanism and movable contacts to display the existing breaker condition.

REFERENCES:
patent: 2222312 (1940-11-01), Green
patent: 2854555 (1958-09-01), Edmonds
patent: 2925481 (1960-02-01), Casey

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