Stationary contact assembly for a current limiting circuit breaker
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United States of America Patent
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Mar 10, 1987
Grant Date -
N/A
app pub date -
Sep 24, 1985
filing date -
Sep 24, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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