Energy management accessory for circuit breaker

Details Energy management accessory for circuit breaker Energy management accessory for circuit breaker

1989-09-29

1992-01-21

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335 20, 335 6, 335 64, H01M 7500

Patent

active

050831038

ABSTRACT:
A circuit breaker control system includes a motor driven fork assembly, activated from a remote location, for simultaneously opening all of the breaker load contacts and locking them in an open condition. A DC voltage is selectively applied to energize the reversible DC motor. The switch at the remote location can be operated to enable a user-customer to return the breaker to operable condition at the breaker site. This is accomplished with an SCR circuit that is enabled by the remote switch and actuated by the user to operate the motor in a reverse direction to release the load contacts.

REFERENCES:
patent: 2709725 (1955-05-01), Bieber et al.
patent: 2864911 (1958-12-01), Brumfield
patent: 2864912 (1958-12-01), Schmidt
patent: 3198907 (1965-08-01), Archer et al.
patent: 3198908 (1965-08-01), Staak
patent: 3332043 (1967-07-01), Camp
patent: 3553611 (1971-01-01), Briechle
patent: 3629744 (1971-12-01), Maler et al.
patent: 4223288 (1980-09-01), Stiner
patent: 4623859 (1986-11-01), Erickson et al.

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