Circuit breaker trip bar interlock

Details Circuit breaker trip bar interlock Circuit breaker trip bar interlock

1988-08-03

1989-05-09

Broome, H.

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

With bimetallic elements

337 48, 200 5109, 335172, H01H 6100, H01H 7116

Patent

active

048292788

ABSTRACT:
A trip bar interlock for a circuit breaker characterized by an electrically insulating housing having an apertured bottom wall. A rotatable trip bar is in the housing for releasably holding the circuit breaker in an untripped condition. An actuator is provided for releasing the trip bar when the circuit breaker is dismounted from a mounting surface. The trip bar and the actuator have engaging surfaces and the actuator has an end portion extending through the aperture. The actuator is biased toward the mounting wall.

REFERENCES:
patent: 3341791 (1967-09-01), Leonard
patent: 4128822 (1978-12-01), Peterson, Jr.

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