Circuit breaker

Details Circuit breaker Circuit breaker

1987-09-17

1989-02-28

Broome, H.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335176, H01H 7510, H01H 7706

Patent

active

048089532

ABSTRACT:
In a circuit breaker having electromagnetic tripping device (55), thermal tripping device (56,57), and adjusting device (59-64), the adjusting device (59-64) is disposed above the thermal tripping device (56,57) in perpendicular direction to power source side-load side direction, and the adjusting device (59-64) has an arm (69) for transmitting adjusting actions from an adjusting dial (24) to a movable iron core (55a) of the electromagnetic tripping device (55), and such constitution enables to shorten a configuration in the power source side-load side direction, and enables to compensate loose-assembly or deformations of the adjusting device (59-64), and thereby initial setting for the adjusting device (59-64) becomes correct.

REFERENCES:
patent: 3775713 (1973-11-01), Walker et al.
patent: 3906414 (1975-09-01), Kidd et al.

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