Device for signaling the triggering of a circuit breaker

Details Device for signaling the triggering of a circuit breaker Device for signaling the triggering of a circuit breaker

1992-07-24

1993-11-23

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

With bimetallic elements

337 66, 335 13, H01H 7104

Patent

active

052648184

ABSTRACT:
A circuit breaker comprises a lock (12) having a high position when the circuit breaker is triggered and a low position when the circuit breaker is set. The lock in the low position is held by a locking lever (10) against which the lock abuts. The lever cooperates with a device for detecting a current surge which, during a surge, disengages the lever so that the lock no longer abuts against the lever and is released in order to go back to its high position. The locking lever is movable between a high position and a low position, urged to its low position when the lock is set to low position, and associated with upward biasing means active (50) when the lock no longer abuts against the lever.

REFERENCES:
patent: 3214537 (1965-10-01), Krieger
patent: 3697915 (1972-10-01), Brassard
patent: 4024487 (1977-05-01), Krasser et al.
patent: 4110719 (1978-08-01), Kirkup
patent: 4612528 (1986-09-01), Peter

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