Magnetic solenoid resettable ground fault circuit interrupter

Details Magnetic solenoid resettable ground fault circuit interrupter Magnetic solenoid resettable ground fault circuit interrupter

1991-07-18

1992-12-22

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

361 42, H01H 7300

Patent

active

051736730

ABSTRACT:
A resettable switching apparatus for selectively interrupting a circuit connecting power from a first terminal to a second terminal when a ground fault occurs. The apparatus may be manually or electrically set. However, the contacts are held by a permanent magnet in the closed position such that no current is required. When a ground fault is detected, a current is generated to force the contacts to the open position.

REFERENCES:
patent: 3828288 (1974-08-01), Boyd
patent: 4157520 (1979-06-01), Moates et al.
patent: 4409574 (1983-10-01), Misencik et al.
patent: 4893101 (1990-01-01), Robitaille

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