Release mechanism for a high speed circuit breaker
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United States of America Patent
Stats
-
Oct 31, 1989
Grant Date -
N/A
app pub date -
Jul 21, 1988
filing date -
Jul 22, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A release mechanism for a high speed circuit breaker comprises a roller rotatably supported on an axle in a mobile contact bridge. A jack is acting in the circuit closing direction on the roller, and the frontal side of the jack is in the form of a slide. The force of a disconnecting spring acts on the contact bridge in a disconnecting direction. The release mechanism to be provided with the connected contact bridge is capable of very rapid release, so that high short circuit currents may be interrupted very rapidly. This is obtained by the slide having a configuration such that in the connected state of the contact bridge the frictional forces acting on the roller are compensated.
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