Description: _x000D_ This is a simple and easy-to-use DC motor speed controller of elegant appearance and stable performance. It is made with high quality circuit board which ensures a longer service life. The input voltage can be DC 10V to 50V and control power from 1200W to 3000W(peak). This speed controller is a universal one which can be used on many DC brush motors in car cooling fan motor, car air conditioning motor, exhaust blower, etc. _x000D_ _x000D_ _x000D_ Features: _x000D_ This simple and easy-to-use DC motor speed controller has an elegant appearance and stable performance._x000D_ _x000D_ This motor speed controller is of high quantity for industrial use that can work normally when operation temperature is below zero Celsius._x000D_ _x000D_ Well design case can protect the controller board from damage as well as dissipate heat. _x000D_ Universal speed controller can be used for DC brush motor, suitable for car cooling fan motor, car air conditioning motor, exhaust blower, treadmill motor, etc. _x000D_ This motor speed controller can also be used for dimming DC lamps or controlling DC heater._x000D_ _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Working Voltage: DC10V to DC50V _x000D_ Max. Rated Current: 60A _x000D_ Peak Current: 100A _x000D_ Control Power: 0.01W to 3000W _x000D_ Power Alters According to Voltage: _x000D_ 12V*100A =1200W_x000D_ 24V*100A =2400W_x000D_ 30V*100A =3000W _x000D_ 50V*100A =5000W(peak) _x000D_ Quiescent Current: 0.04A( not over 40mA when voltage is DC10V to DC50V)_x000D_ PWM Duty Cycle: 0%-100%_x000D_ PWM Frequency: 15khz_x000D_ Operation Temperature: -20 to 40 _x000D_ Size: 14.6 x 8 x 3.8cm / 5.74 x 3.15 x 1.49" _x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 1 x Speed Controller