H - Electricity – 02 – H
Patent
H - Electricity
02
H
348/29
H02H 3/34 (2006.01) H02H 3/10 (2006.01) H02H 3/16 (2006.01) H02H 3/33 (2006.01)
Patent
CA 1303717
18 ABSTRACT An add on ground fault system comprising a module readily connected to the distribution line and to the associated circuit breaker, and including circuit means for sensing a metering signal while providing a low resistance burden to summing transformers, and providing a relay tripping signal if the metering signal is above a selected level.
557773
Fetherstonhaugh & Co.
Square D. Company
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