The item including button switch with metal shell and connective lable,easy to install and use.
CCM5S DC Motor Speed Regulator controls the speed of a DC motor by adjusting Pulse-Width-Modulated (PWM). Suitable for the DC motor (or DC load) within 20A. Adjustable speed range is from 0%-100%. Potentiometer with adjust speed function. Potentiometer cable length 0.79". Equipped with aluminum shell and connection label, installed easily.
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" (NO.5 picture). (It is recommended to add an appropriately rated fuse inline with the positive supply.) 2. Turn on the power. 3.Adjust the potentiometer.