Ground fault interruptor

Details Ground fault interruptor Ground fault interruptor

1979-02-12

1981-03-10

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

361187, 340650, H02H 333

Patent

active

042557739

ABSTRACT:
A ground fault interruptor comprising a reed relay connected to the secondary of a differential transformer, a load connected to the primary windings of said transformer through the contacts of a relay or circuit breaker, a power supply circuit for said relay or circuit breaker, a biasing circuit connected to said reed relay and a signal processing circuit for processing the signal from the secondary of said transformer to said reed relay.

REFERENCES:
patent: 3525903 (1970-08-01), Morris et al.
patent: 3535590 (1970-10-01), Mayer
patent: 3654515 (1972-04-01), Kato et al.
patent: 3991366 (1976-11-01), Schweitzer, Jr.
patent: 4064546 (1977-12-01), Domanski

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