ITEM NAME:DC 12/24/36/48V 20A PWM Motor Speed Controller 775 Drill Motor Speed Reg KLU Descriptio n Description: Soft start! Stall protection! Low voltage protection! Motor characteristics start momentary current is large, blocking current is infinite Soft start can solve the damage caused by instantaneous high current to the governor and motor Stall protection (current limiting system) can limit the large current generated by motor stall Specifications: Input Voltage: DC 10-60V (Specific Voltage Is Equal To The Rated Voltage Of The Motor) Output Voltage: Linear Under Load Maximum Current: 0-20A Current Limit: 20A Speed ​​Regulation Type: Flow Regulation Speed Regulation Mode: Potentiometer (270 Degree Linear) Speed ​​Range: 0 - 100% Control Frequency: 15KHZ Wiring Type: Barrier Terminal Block Knob Specification: 10K (With Switch) Module Size: 96MM*61MM*34MM (L*W*H) Package Included: 1 * Motor Speed Controller Note: Stall protection is not.Maximum Current: 0-20A Current Limit: 20A. Stall protection is not powered off. Current limit is limited to 20A. Stall protection (current limiting system) can limit the large current generated by motor stall.