Function: With power supply reverse polarity protection, over-voltage protection, 15A quick fuse ceramic fuse over-load protection, more and reliable. 60V-90V ultra wide working voltage, 0% -100% PWM duty cycle, 0.01-1000W control power, high efficiency, high torque, speed promise. Rated Current: 8A, Max Current: 15A, Quiescent Current: 0.005A (Standby) Applications: Suitable for DC motor speed control, external 0-5V signal, PLC speed control etc Module Size: 64x59x28mm Work Voltage: DC 6V-90V Rated Current: 8A Max Current: 15A Quiescent Current: 0.005A (Standby) Output Voltage: 0%-100% of input voltage Power Range: 0.01-1000W PWM Frequency: 16KHz Knob Potentiometer: ResistanceB10K, Length 20cm, Trepanning 8mm Fuse Wire: 5x20mm standard size 15A quick fuse ceramic fuse Voltage Control: 0-5v (Voltage-mode control ,can use PLC to control the motor speed directly) DC motor speed controller, speed promise, can control 6V 12V 24V 36V 48V 72V 90V power, with power supply reverse polarity protection, over-voltage protection funcion. The external 0-5v voltage signal of knob interface, can used for PLC to control motor speed directly. If need positive/negative control, can get an external positive/negative switch Colour: green Material: PCB, metal Package Contents: 2 * Speed Controller Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.