DC 9-60V 20A PWM Motor Stepless Variable Speed Controller Speed Regulator Switch Control 25KHz

Features: Input supply voltage: DC 9V-60V Max current: 20A Sustained current: 18A PWM frequency: 25 KHz Adjustable speed range: 0%-100% Speed adjustment way: Potentiometer Output voltage: Linear under load Speed control type: Basins Wiring: Black / Green (Negative) Red / Blue (Positive) Suitable for the DC motor (or DC load) within 20A It with metal shell and connective label,very easy to install and use. Potentiometer with adjust speed swtich function,and button swtich function Size: Approx. 92 x 53 x 35mm / 3.62 x 2.09 x 1.38" Operating instruction: Before you attempting to wire the controller, make sure power is off. 1.Connect wires refer to the "wiring diagram" 2.Turn on the power 3.Adjust the potentiometer Warning: Do not reverse postive and negative power loads.This will damage the controller Do not change motor direction, interchange the positive and negative wires of motor. Connection mode: Red wire: Power + Black wire: Power - Blue wire: Motor + Green wire: Motor - Package included: 1 x DC motor speed controller