ELK KDA030 crane motor 1.long life,preciously fabricated surface 2.low noise,smooth, ... , which makes goods not shaking.3.MotorHigh performance,high torque,motor itself ensures quick heat dissipation, and resistance to high voltage ... output power,and high operation frequency.4.Electromagnetic brakedirect current brake possesses strong braking force.Bolt controls braking force directly, and ...