Switch assembly with leakage current detecting means

Details Switch assembly with leakage current detecting means Switch assembly with leakage current detecting means

1979-06-08

1982-02-09

Scott, James R.

Electricity: circuit makers and breakers

Special application

Tramp metal actuated

H01H 316

Patent

active

043151167

ABSTRACT:
A movable-contact switch assembly wherein an electrically conductive leakage detecting element connected to an indicator lamp is located in the vicinity of the stationary contact elements of the switch assembly so as to detect the presence of a conductive path or paths formed between any two or more of the stationary contact elements by the deposits of carbon particles on and around the contact elements.

REFERENCES:
patent: 3293390 (1966-12-01), Shaw
patent: 3432750 (1969-03-01), Botstiber
Electrical Engineering Journal, vol. 29, Book 4, pp. 125-128; 1977.

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