Vacuum circuit breaker

Details Vacuum circuit breaker Vacuum circuit breaker

H - Electricity

01

H

306/216

H01H 33/66 (2006.01) H01H 1/02 (2006.01)

Patent

CA 1082267

VACUUM CIRCUIT BREAKER ABSTRACT OF THE DISCLOSURE A vacuum circuit breaker comprising an evacuated envelope and a pair of movable conductive rods within the envelope having points of contact equipped with contact members, wherein the conductive rods slide into and out of engaging contact, the improvement comprising at least one of said contacts having circuit-making and breaking members formed of an alloy consisting essentially of 4 wt% to 9.4 wt% aluminum, 0.5 wt% to 3.5 wt% of beryllium, 0.1 wt% to 10 wt% of Me1, wherein Me1 is at least one metal selected from the group consisting of bismuth, tellurium, selenium, antimony, magnesium and lead, and the balance copper.

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