Self-extinguishing type gas filled circuit breaker

Details Self-extinguishing type gas filled circuit breaker Self-extinguishing type gas filled circuit breaker

H - Electricity

01

H

306/227

H01H 33/74 (2006.01) H01H 33/98 (2006.01)

Patent

CA 1116667

ABSTRACT OF THE DISCLOSURE An outer arc extinguishing compartment is disposed coaxially with an inner arc extinguishing compartment and partly projects under one end thereof. A movable contact member extends through both compartments and separably engages a stationary contact member located within the inner compartment. A plurality of arc suppressors of spindle-shaped cross section are disposed at equal angular intervals in the projecting portion of the outer compartment adjacent to and about the movable contact member to extend axially and radially of the latter. The circumferential minimum distance between the arc suppressors is smaller than the diameter of a positive column of an electric arc struck across both contact members.

323682

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