Brand new and high quality<br />Variable voltage to adjust speed <br />6A-30V 10A-15A <br />Not includes adjusting knob<br />Product Size: 86 x 59 x 37 mm (exclude switch size)， with shell<br />Power tube number: 2 x high power field effect tube<br />Input voltage: DC Power 6V-30V， wide voltage， applied to 6V， 9V， 12V， 24V motor.<br />Rated current: 10A， max. 15A operating current in short time. <br />Quiescent current: 0.01A <br />PWM duty cycle: 2% -100%， 2% -100% of original speed (important parameter) <br />PWM frequency: 20KHz <br />Features: <br />- Smoothly regulate the DC motor speed between 2% -100% of its original speed without changing levels<br />- Advanced technology， high-efficiency， large torque， low heat， low noise. <br />- Through several technical improvements， it is widely used in industrial production. <br />- Ideal for regulating DC motors<br />1 x DC motor speed control<br /><img src="http://img6.eachbuyer.com/x21/p56/bc485_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x21/p56/bc485_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x21/p56/bc485_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x21/p56/bc485_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x21/p56/bc485_5.jpg" />