Electromagnetically actuated anti-rebound latch

Details Electromagnetically actuated anti-rebound latch Electromagnetically actuated anti-rebound latch

H - Electricity

01

H

306/74

H01H 71/24 (2006.01) H01H 73/36 (2006.01) H01H 75/10 (2006.01) H01H 77/10 (2006.01)

Patent

CA 1181454

ELECTROMAGNETICALLY ACTUATED ANTI-REBOUND LATCH ABSTRACT An improved anti-rebound mechanism for circuit breakers having a blow-off, current-limiting feature is provided. The improvement consists of a ferromagnetic latch which is activated by any massive current surge through the circuit breaker sufficient to cause blow-off current interruption. The latch is caused to be magnetically attracted to, and engage with, a notch on a movable arm of a circuit breaker to maintain the arm in an open position until the circuit breaker is manually reset in a closed position.

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