Remote-controlled circuit breaker

Details Remote-controlled circuit breaker Remote-controlled circuit breaker

1989-10-03

1991-08-20

Fuller, Benjamin R.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335 6, 335 20, H01H 7500

Patent

active

050418050

ABSTRACT:
A remote-controlled circuit breaker has an operation mechanism unit, for selected one of an off state and a remote-controllable state of the circuit breaker, and a movable contact which makes/breaks contact with a fixed contact in connection with a motion of an 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 is operated by a fault. A push rods acts in conjunction with a transmission lever to either provide an indication of the state of contact connection or to actuate tripping. An indication mechanism is also disclosed.

REFERENCES:
patent: 4855698 (1989-08-01), Cohen et al.
patent: 4897625 (1990-01-01), Yokoyama et al.

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