Ground fault circuit interrupter including snap-acting contacts

Details Ground fault circuit interrupter including snap-acting contacts Ground fault circuit interrupter including snap-acting contacts

1983-12-14

1986-03-25

Broome, Harold

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

335 18, 335188, H02H 328, H01H 8302

Patent

active

045787328

ABSTRACT:
A wall socket type ground fault circuit interrupter having a pair of sockets, a reset button and a test button that are accessible from the front of the interrupter. The interrupter has latched snap-acting contacts and a novel latching relay structure for releasably maintaining the snap-acting contacts in a circuit making position. The snap-acting contacts permit all of the components including the monitoring toroids and the power supply to be respectively located and connected at the load side of the snap-acting contacts so that all of the circuits of the interrupter are deenergized when the contacts snap to a circuit opening position. The snap-acting contact mechanism and relay are provided with structures which provides the interrupter with a trip-free mode of contact actuation and accordingly a tease-proof snap-acting contact operation.

REFERENCES:
patent: 4013929 (1977-03-01), Dietz et al.
patent: 4263637 (1981-04-01), Draper et al.
patent: 4409574 (1983-10-01), Misencik et al.

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