Solenoid-actuated mechanical interlock for a motor controller

Details Solenoid-actuated mechanical interlock for a motor controller Solenoid-actuated mechanical interlock for a motor controller

1986-01-23

1987-03-24

Gellner, Michael L.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

H01H 900

Patent

active

046529667

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.

REFERENCES:
patent: 4427854 (1984-01-01), Kleinecke et al.
patent: 4447858 (1984-05-01), Farag et al.

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