Vacuum circuit interrupter having vacuum monitoring apparatus

Details Vacuum circuit interrupter having vacuum monitoring apparatus Vacuum circuit interrupter having vacuum monitoring apparatus

1983-04-25

1985-01-01

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3366

Patent

active

044917040

ABSTRACT:
There is provided by this invention a vacuum monitoring device for use in vacuum circuit interrupters comprising a stacked resistor assembly as a voltage divider coupled to an internal shield of the vacuum bottle and a low voltage detection circuit for monitoring leakage currents under abnormal pressure conditions.

REFERENCES:
patent: 3263162 (1966-07-01), Lucek et al.
patent: 4103291 (1978-07-01), Howe et al.

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