Material for electric contacts having arc-quenching properties

Details Material for electric contacts having arc-quenching properties Material for electric contacts having arc-quenching properties

1988-02-08

1988-10-18

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200149A, H01H 3370

Patent

active

047789581

ABSTRACT:
The material for electric contacts having arc-quenching properties comprises an irreversibly cured polymeric molding compound, which contains 5 to 20 volume percent of a metal powder and optionally contains up to 40 volume percent of an additional filler consisting of an electrically non-conducting inorganic powder. The selected thermosettable molding compound can be cured without forming a liquid phase.

REFERENCES:
patent: 2949424 (1960-08-01), Mandelcorn et al.
patent: 4011426 (1977-03-01), Lange
"Kunststoff Taschenbuch", pp. 394-415.
"Das Loschverhalten Von Wechselstrom-Lichtbogen in Schutzen Bei Ausnutzung der Saulenkuhlung", Oct. 30, 1978, pp. 1, 56-73.

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