Portable ground fault circuit interrupter

Details Portable ground fault circuit interrupter Portable ground fault circuit interrupter

1978-03-20

1980-04-08

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

335253, 361117, H02H 328

Patent

active

041975677

ABSTRACT:
A ground fault circuit interrupter which utilizes one trip coil to perform the combined functions of interrupting a circuit on occurrence of a ground fault as well as an under voltage condition. An electronic module supplies continuous current to the trip coil until a ground fault or under voltage condition occurs. The armature is spring biased in a direction away from the trip coil, with tension of the spring adjusted to pull the armature away from the trip coil when voltage in the coil decreases below a selected amplitude.

REFERENCES:
patent: 3539867 (1970-11-01), Edmunds
patent: 3633070 (1972-01-01), Vassos et al.
patent: 3723924 (1973-03-01), Shaffer et al.
patent: 3843908 (1974-10-01), Priegnitz

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