Vacuum-type circuit breaker

Details Vacuum-type circuit breaker Vacuum-type circuit breaker

1975-06-24

1978-05-23

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200265, 200266, H01H 3366

Patent

active

040912485

ABSTRACT:
In a vacuum-type circuit breaker, a contact is composed of a principal component material of Cu alloy, to which a Pb-Bi alloy, containing either 18 to 45 weight % Bi or 65 to 80 weight % Bi and at least one of either cobalt or iron are added. Said contact is provided with a structure in which at least one of either cobalt phase or iron phase is dispersed in a copper matrix and Pb-Bi alloy phase is dispersed in the grain boundary, and has extremely low chopping current.

REFERENCES:
patent: 2975256 (1961-03-01), Lee et al.
patent: 3502465 (1970-03-01), Nakajima

Affiliated with

Also associated with

Rating

Vacuum-type circuit breaker does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Vacuum-type circuit breaker, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Vacuum-type circuit breaker will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-565633