Circuit interrupter having flash plates with interrupted surface

Details Circuit interrupter having flash plates with interrupted surface Circuit interrupter having flash plates with interrupted surface

1980-12-29

1983-09-13

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200147R, H01H 3302

Patent

active

044044429

ABSTRACT:
A circuit interrupter of the type including an arc chute and separable contacts between which an arc may be drawn is provided with flash plates. The plates are disposed at either side of the region in which an arc forms and serve to protect the adjacent interrupter housing, while assisting in channeling the arc into the arc chute. The flash plates are formed of a ceramic material and are provided with a plurality of grooves running the direction generally transverse to the direction of the arc.

REFERENCES:
patent: 2648744 (1953-08-01), Strom et al.
patent: 2933574 (1960-04-01), Frink
patent: 3511950 (1970-05-01), Boyd

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