Transformer protective switch

Details Transformer protective switch Transformer protective switch

1980-06-26

1983-06-21

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200 82B, 200148R, H01H 3388

Patent

active

043895549

ABSTRACT:
An electric switch includes a pair of separable contacts operable between open and closed positions with respect to each other. An operator shaft is utilized for moving one of the contacts, and the operator shaft has attached thereto at the opposite end an operator piston which is disposed within an operator cylinder. A chemical operator is utilized for generating a hot gas within the operator cylinder and against the operator piston to cause movement thereof.

REFERENCES:
patent: 2258376 (1941-10-01), Clothier et al.
patent: 3946180 (1976-03-01), Votta et al.
patent: 4251701 (1981-02-01), Meyer

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