Armature voltage is continuously adjustable from 0-220V, ensuring high efficiency in speed control. new motor speed controller made of ABS material. Applies PWM technology for effective speed adjustment of DC motors, suitable for frequent motor reversing. Equipped with overload protection to prevent damage from overload or short circuits, requiring technician assistance for replacement. Compatible with series server motor, permanent magnet motor, J- () motor, and KC50 motor., Weight: 0.80138032237 Pounds, Manufacturer: Hipzeepo