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DC control switch controller 6-28 v 12 v 24 v 3a pwm of variable speed regulator fan adjustment for dc motor regulator toolsThis dc motor speed controller that allows you to control the direction of a dc motor using a dc of width-modulated voltage (pwm) with a fully adjustable duty cycle from 0% -100%.The motor speed controller can easily supply a direct current 3a to your direct current motor or other dc load.Specifications:Input power supply: dc 6 v-28 vMaximum output power: 80 wMaximum continuous output current: 3aAdjustable duty cycle: 0% -100%Instructions:A. connect your dc motor (or load) motor terminals as specified in the wiring diagram.2. connect a voltage of 10 v-36 v dc to the circuit that ensures the correct polarity of the connection. Note that the voltage applied to the motor will be a source of voltage applied to the circuit. It is recommended to add an appropriate fuse rating line with positive supply in order to protect the circuit from all possible short circuits.THREE. You can now control the engine speed through a pot.Package includes:2 x dc pwm motor speed controller with potential switch