Laliva Tool - 12V 24V 36V 48V 40A 240HZ 2.2kHZ 22kHZ PWM HHO DC Motor Speed Controller Adjustable Variable Speed Switch High Frequency PWM

12V 24V 36V 48V 40A 240HZ 2.2kHZ 22kHZ PWM HHO DC Motor Speed Controller Adjustable Variable Speed Switch High Frequency PWM
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Features:
CCM9NW DC Motor Speed Controller provides variable 
speed capability for DC motor. 
Adjustable speed range is 5%-100% 
Three PWM frequency can be choose: 240Hz, 2.2kHz, 22kHz.
Suitable for the DC motor (or DC load) within 30A, 
Peak current 40A(max).
The use of ambient environment temperature 
is -20°c(-4°F) to 40°c(104°F)
potentiometer cable length 40cm. 
Operating instruction:
Before you attempting to wire the controller, 
make sure power is off.
WARNING: DO NOT REVERSE POSTIVE AND NEGATIVE 
POWER LOADS.THIS WILL DAMAGE THE CONTROLLER. 
TO CHANGE MOTOR DIRECTION, INTERCHANGE THE 
POSITIVE AND NEGATIVE WIRES OF MOTOR.
1. Connect wires refer to the "wiring diagram" .
(It is recommended to add an appropriately 
rated fuse inline with the positive supply.)
2. Select the appropriate frequency you need.
3. Turn on the power. The LED lights, the power is OK.
4. Adjust the potentiometer.
Main technical parameters:
Input supply voltage: 10V-50V DC
Output power:0.01W-2000W(max)
The maximum continuous output current: 30A.
Peak  current is up to 40A
PWM frequency: 240Hz,2.2kHz,22kHz
Duty cycle adjustable: 5%-100%
Item size:4.25*2.17*1.5 inches (size of the shell). 
Operation environment temperature:-20°c-40°c
Package Including: 
1 x DC Motor Speed Controller
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3.The buyer is responsible for any insurance ,problems and damage which caused by shipping service ,su