Selective tripping of two-pole ground fault interrupter

Details Selective tripping of two-pole ground fault interrupter Selective tripping of two-pole ground fault interrupter

1974-10-04

1976-03-16

Miller, J. D.

317 27R, 317 33SC, H02H 328

Patent

active

039448886

ABSTRACT:
A ground fault detector-interrupter for a single phase three wire electrical system includes a polarity sensitive fault detector controlling a gate in a manner such that only the hot line that has a ground fault will be interrupted.

REFERENCES:
patent: 3252052 (1966-05-01), Nash
patent: 3258646 (1966-06-01), Fowler
patent: 3895263 (1975-07-01), Clark

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