Vacuum switching apparatus with double interruption and includin

Details Vacuum switching apparatus with double interruption and includin Vacuum switching apparatus with double interruption and includin

1974-12-17

1978-08-15

Scott, James R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3300

Patent

active

041074963

ABSTRACT:
In vacuum switching apparatus for interconnecting a bus bar to a feeder cable and selectively connecting the bus bar and feeder cable to ground, a first vacuum switching path within a housing is connected to a bus bar and a second vacuum switching path within a housing is connected to the feeder cable. A barrier is mounted between the first and second switching paths for conducting switch-off current from either one of the switching paths to ground and means are provided for interconnecting the barrier to ground.

REFERENCES:
patent: 3014109 (1961-12-01), Burger
patent: 3185798 (1965-05-01), Titus
patent: 3405245 (1968-10-01), Ito et al.
patent: 3470341 (1969-09-01), Beddoe
patent: 3522404 (1970-08-01), Trayer
patent: 3567887 (1971-03-01), Maloney
patent: 3575564 (1971-04-01), Weston
patent: 3814881 (1974-06-01), Cherry et al.
patent: 3814882 (1974-06-01), Harrold
patent: 3870845 (1975-03-01), Clason
patent: 3891896 (1975-06-01), Clason

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