Remote-controlled circuit breaker

Details Remote-controlled circuit breaker Remote-controlled circuit breaker

1989-10-16

1990-12-04

Broome, H.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335 6, H01H 7500

Patent

active

049756656

ABSTRACT:
A remote-controlled circuit breaker has an operation mechanism unit (300), for selecting one of an off state and a remote-controllable state of the circuit breaker, and a compact electromagnetic unit (200) and a movable contact (11, 12) which makes/breaks contact with a fixed contact in connection with a motion of the electromagnetic unit only in the remote-controllable state; and the movable contact breaks contact with the fixed contact irrespective of the motion of the electromagnetic unit at the time when an overcurrent tripping unit (400) is operated by a fault.

REFERENCES:
patent: 4623859 (1986-11-01), Erickson et al.
patent: 4631507 (1986-12-01), Guery et al.
patent: 4636760 (1987-01-01), Lee
patent: 4855698 (1989-08-01), Cohen et al.
patent: 4897625 (1990-01-01), Yokoyama et al.

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