1, There is torque limiter system to prevent the damage by Lock-Rotor, it make the motor durable.

Product Description

Huge tonnage beam type rotating hook block with electro-mechanical drive unit, extremely low design and huge to nnage, rotation of crane hook by geared motor and elastic coupling. Specification 1, There is torque limiter system to prevent the damage by Lock-Rotor, it make the motor durable. 2, Rotating angle limited by limit switch and positioning stops. 3, With simple construction easy for repairing 4, The lifting capacity is more than 100 Ton. 5, Modified pulleys on request

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