Two pole ground fault circuit protector

H - Electricity – 02 – H

Patent

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348/24

H02H 7/22 (2006.01) H01H 83/04 (2006.01) H01H 83/22 (2006.01) H01H 71/10 (2006.01)

Patent

CA 1041597

TWO POLE GROUND FAULT CIRCUIT PROTECTOR Abstract of the Disclosure. A two pole ground fault protector is constructed of a detector-control module sandwiched between a pair of circuit breaker modules having their manual operating handles tied together. The combined width of the pair of circuit breakers equals the width of the detector module. The latter is provided with both line terminals for the protector and these terminals are spaced by the width of the detector module which is the same as the spacing between panelboard line terminal stabs. Load terminals of the circuit beaker modules constitute the load terminals for the protector. A tie bar connecting the automatic tripping mechanisms of the circuit breaker modules together and extending through the detector module is actuated by an electromagnet in the detector module to simultaneously open both circuit breaker modules upon the occurrence of a ground fault.

228049

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