Electrical contacts for electric breakers

Details Electrical contacts for electric breakers Electrical contacts for electric breakers

1985-05-09

1989-02-07

Recla, Henry J.

Electricity: circuit makers and breakers

Electric switch details

Contact

200262, 200265, 200266, B22F 300, H01H 102

Patent

active

048033227

ABSTRACT:
Electrical contacts especially for use with electric breakers, consisting of (1) a base made from a silver-tin system alloy containing In, and (2) a clad over the base made from a silver-cadmium system alloy, the alloys having been internally oxidized. The clad (2) stands by to initial tests provided for electric breakers, and the base (1) stands by to the tests thereafter. The base has no segregation of tin oxides on account of internal oxidation of the base screened by the clad (2).

REFERENCES:
patent: 2730594 (1956-01-01), Page
patent: 3143626 (1964-08-01), Schreiner et al.
patent: 3154660 (1964-10-01), Witherspoon
patent: 4050930 (1977-09-01), Motoyoshi et al.
patent: 4056365 (1977-11-01), Bevington et al.
patent: 4141727 (1979-02-01), Shida et al.
patent: 4204863 (1980-05-01), Schreiner
patent: 4342893 (1982-08-01), Wolf
patent: 4450204 (1984-05-01), Kim et al.

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