Multi-phase circuit breaker employing arc extinguishing apparatu

Details Multi-phase circuit breaker employing arc extinguishing apparatu Multi-phase circuit breaker employing arc extinguishing apparatu

1988-07-11

1989-09-12

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200144R, H01H 3318

Patent

active

048662267

ABSTRACT:
In a circuit breaker, an arc is produced between a pair of switchable contact members when these contact members are opened due to overcurrent. An arc extinguishing apparatus is employed to extinguish an arc produced between the opened contact members. The arc extinguishing apparatus includes a plurality of U-shaped metal arc extinguishing plates which are stacked, and a pair of insulating plates made of a synthetic resin. These insulating plates are mounted on both inside surfaces of leg portions of the extinguishing plates.

REFERENCES:
patent: 1919438 (1933-07-01), Lindstrom
patent: 2596865 (1952-05-01), Peter

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