Fangrui Product Details Fangrui Product Details Fangrui Product Details Brand New Type: Speed Controller Operating Voltage: Dc 10v~dc 50v Control Power: 0.01-3000w (maximum Rated Current Of 60a) Different Operating Voltages Corresponding To Different Control Power As Follows: Operating Voltage 12v, 12v * 100a = 1200w Operating Voltage 24v, 24v * 100a = 2400w Operating Voltage 30v, 30v * 100a = 3000w Quiescent Current: 0.04a (operating Voltage Dc10v To Dc30v Quiescent Current Will Not Exceed 40ma) Pwm Duty Cycle: - Pwm Frequency: 15khz Operating Temperature: -20celsius~40celsius (ambient Temperature Of Minus 20 Degrees To 40 Degrees Above Zero) The Governor Of The Industrial-grade Quality, Can Be Less Than Zero Stable Work Environment, General Commercial-grade Quality Of Governor In It Is Not Stable Work In Sub-zero Temperatures. Circuit Board Dimensions: 145x80x40mm / 5.7inch X 3.1inch X 1.6inch (not Including Adjustment Portion Potentiometer) Application: Various Types Of General-purpose Dc Brush Motor Speed Various Types Of Vehicles With Motor Speed (automotive Coo Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.