All motors are F class insulator motor of domestic first class manufacturer (such as TaTung, Teco...etc),
and 40% ED motor exclusive for hoist, possess high start torque,low start current and thermal resistance.
The winch brake device is solenoid type auto adjustment method, when the braking is worn out,
the gap can be adjusted automatically to prevent slipping cause due to wearing.
The brake torque value of the winch brake is 1.5 time of the max.,torque value required by rated lifting load.
The steel rope is exclusive of steel rope for crane with more than 5 times of safety factor.
Over-winding prevention device, the crane use two stages upper limit protection equipment, the first stage
control cut off the power supply, the second control the cuts off power supply to motor, possess double protection