3Pcs 10V 12V 24V 36V PWM DC Controller with Positive Inversion Switch PWM DC Controller for DC Motor Speed Controller 15

Features 1 Connect the motor the motor wire can be positive or negative 2 Adjust the switch the forward and reverse switch is used to control the direction of the motor speed When the switch is at the zero position the motor stops 3 Potentiometer knob Adjusting the potentiometer knob can change the output duty ratio of the governor and the motor speed Specifications 1 Input voltage requirement 10V 40VDC wide range 2 Output power 150W3 Continuous current 5A overload short circuit protection current 8A short circuit time no more than 30 seconds4 PWM pulse width modulation range 0 100 5 Size length 74mm width 46mm height about 27mm according to the center distance of the mounting hole 63 5mm 36 5mm positioning hole diameter 3 5mm6 Weight 60 g Introduction to PWM The full name of pulse width modulation is Pulse WidthModulator or PWM for short Because of its special performance it is often used as a lamp dimming in a DC loop or a DC motor speed regulating This circuit is a motor controller made using the principle of pulse width modulation PWM Using this method to control the motor speed has two advantages 1 It is mainly by changing the duty cycle of the output square wave to change the average on time on the load from 0 100 to achieve the purpose of adjusting the brightness speed of the load The advantage of using pulse width modulation PWM to achieve dimming speed regulation is that the energy of the power supply can be fully utilized and the