Solenoid-actuated mechanical interlock for a motor controller
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United States of America Patent
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-
Mar 24, 1987
Grant Date -
N/A
app pub date -
Jan 23, 1986
filing date -
Jan 23, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A solenoid actuated mechanical interlock is provided for the draw-out type circuit breaker mechanism of a motor control center. The interlock is formed by the plunger of the solenoid engaging a slot in the bellcrank mechanism of the draw-out unit. Electric circuitry controls operation of the solenoid so that the plunger is controllably extended and retracted to prevent or permit operation of the bell crank under certain conditions.
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