100% Brand new,never used
Item's color might be different from the picture because of the aberration.
This is DC motor speed controller which can be applied to a wide range of 10VDC-30VDC
motors. So it's suit for people DIY, hobby, scientic test etc many fields.
For buyer convenience, this item include a potentiometer and a Positive & negative switch.
Take PWM(Pulse WidthModulator) theory.
1. Input 10VDC-30VDC
2. Maximum output 120W(when the input voltage more than 24V)
3. Maximum current 3A, shortcut protect current 4A, less than 30 seconds
4. The function of potentiometer is to control the speed
5. The function of Positive &negative switch is to control turning,inversion,stalling
6. PWM adjustment range: 10%-95%
7. Size: 75mm x 46.5mm
1 x DC Motor Speed Controller