For use with ac wound rotor motors and eddy current electric load brakes on crane hoist motion without mechanical load brakes. All controllers are arranged for use with rectifier operated DC shunt brakes or solenoid operated ac brakes.
Provides consistent hoisting and lowering speeds for all loads
Class 7001 Type ST1 Static Acceleration Timers
Requires eddy current electric load brake
Mill Duty Class 8503 Type M Clapper style contactors