Steel arcing contact for circuit breaker

Details Steel arcing contact for circuit breaker Steel arcing contact for circuit breaker

1975-05-08

1977-06-07

Tolin, Gerald P.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200146R, 200263, H01H 3312

Patent

active

040285138

ABSTRACT:
The arcing contact of a circuit breaker is made of a steel body which is plated with a copper flash and is then silver-plated. An arcing contact tip which makes actual contact to a cooperating arcing contact is made of a conventional silver-molybdenum alloy which is attached to the steel arcing contact as by brazing. The steel arcing contact is then connected in parallel with a conventional main contact which is made of high conductivity copper, or some other material having a conductivity which is high in comparison to the conductivity of steel. The steel arcing contact is used in either a butt-type contact configuration or in a jaw-type contact configuration.

REFERENCES:
patent: 2031516 (1936-02-01), Tritle
patent: 2253672 (1941-08-01), Walter
patent: 2318086 (1943-05-01), Lindstrom
patent: 2365249 (1944-12-01), Comstock
patent: 3889082 (1975-06-01), McFarland

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