H - Electricity – 02 – H
Patent
H - Electricity
02
H
348/26
H02H 3/28 (2006.01) H01H 83/02 (2006.01) H02H 3/347 (2006.01)
Patent
CA 1104702
45,637 GROUND FAULT PROTECTIVE DEVICE ABSTRACT OF THE DISCLOSURE A self-powered self-contained ground fault pro- tective device including a current monitor, an electronic circuit for amplifying the output of the current monitor, and a relay connected to the amplifying circuit and adapted to operate whenever ground fault current through the current monitor rises above a predetermined level. The current monitor, amplifying circuit, and relay are all supported and enclosed by a molded insulating housing.
278544
Mcconnell And Fox
Westinghouse Electric Corporation
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