20A PWM DC Motor Speed Controller 12V to 60V Adjustable Forward Reverse Switch Regulator for Electric Motors Size: 60x90x99mm/2.36x3.54x3.9in (LxWxH), the DC motor speed controller is small in size, installation size: 52x81mm/2.05x3.19in, convenient for installation in narrow spaces; turn control and stop<br> Soft start protection: The motor controller has a soft start protection function, which can effectively reduce the surge current, protect the motor and prolong the life<br> Function: The DC motor speed control switch can feed back the energy generated during speed control. Efficient, effectively improve energy utilization and efficiency.<br> Application range: Widely used in industrial DC motor speed regulation, DC fans, packaging, printing, electronics, instrumentation, clothing machinery, -machinery and other industries<br> Input voltage:DC 12-60V<br> Output current:20A<br> Continuous current:12A<br> PWM pulse width adjustable range:0% to 100%<br> Colour:As Shown<br> Material:plastic<br> Package Contents:<br> 1 * Speed Controller<br> Only the above package content, other products are not included.<br> Note: Light reflection 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.