Single solenoid actuator for two-pole ground fault circuit...

Details Single solenoid actuator for two-pole ground fault circuit... Single solenoid actuator for two-pole ground fault circuit...

H - Electricity

01

H

H01H 83/14 (2006.01) H01H 69/00 (2006.01) H01H 71/10 (2006.01) H01H 83/22 (2006.01) H01H 71/12 (2006.01) H01H 71/74 (2006.01)

Patent

CA 2142249

A circuit breaker has a pair of poles, either of which can experience a ground fault. A sensing device senses an imbalance of current between the phases and neutral, and a trip device responsive to the sensing device simultaneously trips both of the poles when an imbalance of current (ground fault) is sensed in either of the poles. The trip device includes a trip lever engageable with each of the poles and a single solenoid for controlling operation of the trip lever.

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