1Enable to provide a continuous current of 20A to your DC motor or other DC load. 2It is industrial design, stable and reliable, with anti-static circuit, safe to use. 3Widely used in industrial DC motor speed regulation, industrial conveyor belt speed regulation, lighting and lighting mediation, computer power supply cooling, DC fan, etc. 4The energy power of the power supply can be fully utilized and the efficiency of the circuit is high. 5You can control the speed of a DC motor with this controller, high efficiency, high torque and low heat generation.