High Performance Motor ControllerWS55-220 BLDC motor driver controller is a high-performance, cost-effective three-phase motor controller. The voltage range is 20VDC to 50VDC. The controller has over-voltage protection, over-current protection, and locked-rotor protection. Wide ApplicationsThe bldc motor controller can drive DLDC motors with or without Hall, and can be used in small equipment, power tools, exhaust fans, jade grinders, vibration motors, etc. Advanced and Intelligent TechnologyThe bldc motor controller adopts advanced technology and has the characteristics of high speed, high torque, low noise, low vibration, overcurrent protection, overload protection, and few phase lines. Protection, phase line short circuit protection, alarm output, speed output, forward and reverse control, etc. Speed ​​Control & Forward / Reverse FunctionsThe brushless motor controller support two speed control methods, external potentiometer control/external 10VDC voltage control speed control. Forward and reverse function, flip the toggle switch on the corresponding side, you can change the direction of the motor. 100% Satisfaction GuaranteeProfessional manufacture, stable performance and high reliability.This WS55-220 DC 48V 500W bldc motor controller has a complete service, if you have any questions about the product or you are not satisfied, please contact us at any time, we will provide you with the best solution.Your satisfaction is our main concern.