PWM DC Motor Speed Control Switch, 12V-40V 10A Pulse Width Modulation PWM DC Motor Speed Control Switch 13KHz Features: High quality. Control the speed of a DC motor with this controller. High efficiency, high torque, low heat generating. With reverse polarity protection, high current protection. Specifications: Working voltage: DC 12V – DC 40V Control power: Read more about PWM DC Motor Speed Control Switch, 12V-40V 10A Pulse Width Modulation PWM DC Motor Speed Control Switch 13KHz[…]