Circuit breaker

Details Circuit breaker Circuit breaker

1976-12-30

1978-09-12

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335176, 335194, H01H 7174

Patent

active

041141237

ABSTRACT:
A high performance, manually and automatically operable, trip-free magnetic circuit breaker incorporates compact, readily accessible calibration means in which the direction of application of a substantially constant spring force is varied to permit convenient, high resolution calibration of the breaker.

REFERENCES:
patent: 3179769 (1965-04-01), Ziegler
patent: 3431522 (1969-03-01), Kryspin

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