PWM DC 9 60V 20A 1200W 25KHz Motor Speed Controller Speed Regulator Switch

Wide application: Suitable for DC motors within 20A. Durable Performance: Using high quality and delicate metal shell, no rust, safe and convenient to use. High quality circuit board ensures stable and durable performance. This DC motor controller input is connected to direct current, CANNOT be connected to alternating current, or it will be burnt. Make sure the positive and negative polarity is connected correctly, otherwise the controller will be damaged.