High voltage breaker with extended barriers to prevent...

Details High voltage breaker with extended barriers to prevent... High voltage breaker with extended barriers to prevent...

H - Electricity

01

H

306/354

H01H 71/02 (2006.01) H01H 9/00 (2006.01) H01H 9/34 (2006.01) H01H 73/18 (2006.01)

Patent

CA 1257636

18 ABSTRACT OF THE DISCLOSURE A circuit interrupter comprises an insulating base which has a plurality of insulating walls separating the base into a plurality of adjacent pole unit compart- ments. A pair of spaced-apart terminals are disposed on the base within each pole unit compartment, with a pair of separable contacts being electrically connected to the spaced-apart terminals. An insulating cover is secured to the base, which together with the base forms an insulating housing in which is disposed an operating mechanism for effecting movement of the sepa?ble contacts between open and closed positions. Insulating barriers are disposed between adjacent pole unit terminals to enable the circuit interrupter to operate at higher voltage levels. The insulating barriers extend outwardly from the cover a distance sufficient to prevent the gases at each pole unit terminal generated during an opening operation from mixing with the gases at adjacent pole unit terminals until such time as these gases are deionized sufficiently to prevent conduction between the two terminals.

455577

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