Features: 
DC Motor Speed Regulator controls the speed of a DC motor by adjusting Pulse-Width-Modulated. 

The product is suitable for self-recovery fuse, use a 2A resettable fuse to protect the controller. the current is too large and
automatically disconnects, and the fuse is automatically restored after cooling. Potentiometer with switch function.  

Operating instruction:  
Make sure the power is turned off before you try to connect to the controller. Warning: do not reverse positive and
negative electrical load.This will bore the controller. To change the motor direction, swap the positive and negative poles of the motor.
1. Refer to wiring diagram for wiring. 2. Turn on the power and adjust the potentiometer. 3.LED displays the power and rotation speed of the motor.

Package Including: 
2 x DC Motor Speed Controller

Specification:
(1) Working voltage: DC1.8V-15VDC

(2)Control power: 30W (maximum)

(3)The maximum continuous output current :2A

(4) Quiescent current: 0.015A (standby state)

(5)Duty Cycle adjustable: 5%-100%, potentiometer with switch function.

(6) Frequency: 10khz

(7) Model: 1803BKW

(8)Shell size: 30MMx width 24MM (without handle) total height 15MM

(9)Net amount: 0.015KG

(10)With fixing screw hole, convenient for install and fixed.

(11)The maximum continuous output current :2A

(12)Weight: 16g

Special note:
Dc motor governor connected to dc power supply, do not directly connected to household 220V ac, otherwise the damage at your own risk!