Circuit breaker including a non-mechanical, electronic...

Details Circuit breaker including a non-mechanical, electronic... Circuit breaker including a non-mechanical, electronic...

H - Electricity

01

H

H01H 71/46 (2006.01) H01H 71/04 (2006.01) H01H 71/24 (2006.01)

Patent

CA 2514685

A controllable circuit breaker includes a housing, first and second inputs adapted to receive respective external close and open signals, a third input adapted to receive a control voltage, a set of main contacts, an operating mechanism for opening and closing those contacts; a set of secondary contacts connected in series with the main contacts, and a latching solenoid including a plunger latchable to a first position which closes the secondary contacts and to a second position which opens the secondary contacts. When separately energized, first and second coils operate the plunger to respective first and second positions. The first and second coils have a common node which is electrically connected to the third input. A non- mechanical, electronic control circuit within the housing is adapted to receive the external close and open signals and responsively energize the first and second coils, respectively, for a predetermined time.

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