12v-40v 10a Pwm Dc Motor Speed Controller w/ Knob--high Efficiency, High Torque, Low Heat Generating with Reverse Polarity Protection, High Current Protection
Price 4.50 - 19.99 USD
Working Voltage: DC 12V - DC 40V * Control Power: 0.01 - 400W * Static Current: 0.02 A ( Standby ) * PWM Duty Cycle: 10% -100% * PWM Frequency: 13 KHz