Contact system for high-voltage power circuit breakers

Details Contact system for high-voltage power circuit breakers Contact system for high-voltage power circuit breakers

1974-09-19

1977-06-28

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200266, H01H 3300, H01H 102

Patent

active

040327370

ABSTRACT:
A contact system for power circuit breakers includes a nozzle body made of graphite which is pressed cold into a tube of cold-worked copper and is enclosed by the latter with a friction fit. A low-alloy copper is used as the material for the electrically conducting tube. Such a copper alloy can be made, for example, with 0.1 percent silver.

REFERENCES:
patent: 2143914 (1939-01-01), Hensec et al.
patent: 2178508 (1939-10-01), Zickrick
patent: 2278592 (1942-04-01), Sanders et al.
patent: 2796495 (1957-06-01), Keitel et al.
patent: 3835274 (1974-09-01), Marin

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