Stationary contact assembly for a current limiting circuit...

Details Stationary contact assembly for a current limiting circuit... Stationary contact assembly for a current limiting circuit...

H - Electricity

01

H

306/221, 306/93

H01H 33/20 (2006.01) H01H 9/44 (2006.01) H01H 9/34 (2006.01) H01H 9/46 (2006.01)

Patent

CA 1252499

ABSTRACT A stationary contact assembly is provided for a circuit breaker which has a base, a line terminal and an arc chute. The stationary contact arm is J-shaped and formed from a single piece of conductive material which has a contact affixed to the short leg of the J and is connected to the line terminal. The short leg of the J has a length sufficient for creating electromagnetic blow open forces in response to current flow of a preselected magnitude. An arc runner is positioned between the legs of the J for drawing out an arc into the arc chute and intensifying the electromagnetic repulsion forces.

510932

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