Interlock control for a circuit breaker and a disconnector
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United States of America Patent
Stats
-
Sep 21, 1999
Grant Date -
N/A
app pub date -
Dec 7, 1998
filing date -
Dec 8, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The interlock control for a circuit breaker and a disconnector comprises a moving bar for opening or closing the circuit breaker and a displacement rod for displacing a disconnector rod to open or close the disconnector. The moving bar is driven by an arm which is secured to an outlet shaft and which is rotatable in a plane perpendicular to the outlet shaft, and the displacement rod is driven via an L-shaped piece which is movable about an axis that is substantially parallel to the outlet shaft, the arm driving the L-shaped piece during a second opening or closing stage of the circuit breaker via a wheel which is fixed to the arm and which slides in a notch of the L-shaped piece. The outlet shaft makes it possible to achieve interlocking by means of a single control, thereby providing a high level of reliability and of safety.
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