Function: The DC motor speed control switch can feed back the slip generated during speed control. Efficient, effectively improve utilization and efficiency. 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 Soft protection: The motor controller has a soft protection function, which can effectively reduce the surge current, protect the motor and prolong the life Application range: Widely used in industrial DC motor speed regulation, DC fans, packaging, printing, electronics, instrumentation, clothing machinery, medical-machinery and other industries