Circuit breaker remote closing operator

Details Circuit breaker remote closing operator Circuit breaker remote closing operator

1994-10-11

1996-07-09

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

With motor

200400, 335 14, H01H 300

Patent

active

055348335

ABSTRACT:
A remote closing operator is positioned within a circuit breaker enclosure to allow remote operation of the circuit breaker operating mechanism to open and close the circuit breaker contacts. A pair of solenoids are employed to control the state of the contact closing springs. The first solenoid is energized to initially release the contact closing springs and the second solenoid is energized to interrupt the flow of current to the first solenoid.

REFERENCES:
patent: 2264982 (1941-12-01), Johnson
patent: 3600538 (1971-08-01), Pazas
patent: 3767874 (1973-10-01), Wilson
patent: 3789172 (1974-01-01), Cole et al.
patent: 4001742 (1977-01-01), Jencks et al.
patent: 4301433 (1981-11-01), Castonguay et al.
patent: 4301434 (1981-11-01), Castonguay et al.
patent: 4409449 (1983-10-01), Takano et al.
patent: 4658322 (1987-04-01), Doughtery et al.
patent: 4713505 (1987-12-01), Date et al.
patent: 4801907 (1989-01-01), Kelaita et al.

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