ITEM NAME:DC10-50V PWM HOO DC Motor Speed Control Board 2000W 40A External Switch #JT1 Product Description Description: Technical index: Working voltage: DC 10V-50V Control power: 0.01-2000W(Maximum rated current 40A) Different working voltages correspond to different control power, Working voltage 12V, 12V X 40A=480W Working voltage 24V, power 960W Working voltage 36V, power 1440W Working voltage 40V, power 1600W Working voltaeg 50V, power 2000W Quiescent current:0.025A(The operating voltage will not exceed 25ma at DC10V to DC50V) PWM duty ratio: 5%-100% PWM frequency: 12khz Working temperature: -20~40℃ Circuit board size: 90 X 51 X 30mm Main usage: All kinds of universal dc brush motor, speed governing All kinds of automobile electric motors, speed governing Speed control of production line conveyor belt, Tube exhaust fan speed adjustment, The treadmill speed, Multi-computer fan shunt speed adjustment, Electronic fan speed control All kinds of dc light bulbs are dimmed, all kinds of dc heater temperature adjust Included: 1 X DC Speed Control Board.Working voltaeg 50V, power 2000W. PWM frequency: 12khz. PWM duty ratio: 5%-100%. All kinds of universal dc brush motor, speed governing. Circuit board size: 90 X 51 X 30mm. Main usage If item is defective after 3 months, you can still send it back to us.