Protective electric house-wiring switch

Details Protective electric house-wiring switch Protective electric house-wiring switch

1983-11-02

1985-09-10

Eisenzopf, Reinhard J.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

361 89, 361111, 361118, 361 93, H02H 900

Patent

active

045410305

ABSTRACT:
A protective house-wiring switch with an overcurrent tripping device in a housing containing terminals for phase conductors and a neutral conductor, contacts for interrupting at least the phase conductors, at least one switch latch having at least one device connected to the respective phase conductors for actuating the contacts to interrupt the phase conductors, includes two overvoltage arresters for each phase conductor connected in cascade in direction of energy flow within the housing, one of the two overvoltage arresters being connected to the respective phase conductor ahead of the contact actuating device, and the other of the two overvoltage arresters being connected to the respective phase conductor after the contact actuating device.

REFERENCES:
patent: 3934175 (1976-01-01), Clark
patent: 4023071 (1977-05-01), Fussell
patent: 4156264 (1979-05-01), Hoover

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