Descriptions:This speed controller switch is for 3-Phase brushless motor, and support motor CW CCW, stable performance, simple and most cost-effective multi-function operation.The speed of the motor can be regulated by the potentiometer, easy to use.Features:This speed controller switch is for 3-Phase brushless motor, and support motor CW CCWStable performance, simple and most cost-effective multi-function operation.The speed of the motor can be regulated by the potentiometer, easy to use.Small size and elegant appearance.Specifications:Input voltage: DC5-36vOutput current: <15AProtective current: 15ACW CCW: supportSpeed regulating mode: potentiometer (270 degree linear)Speed adjustment range: 0-100%support for Motor: brushless motorConnection type: fence type terminalKnob specification: 100K (with switch)Module size: Approx. 8 x 6 x 2.8cm/3.15x 2.36 x 1.1inchWeight: 87gPackage Included:1 x Motor Speed ControllerNote:1.The input voltage must be divided into positive and negative and cannot enter 220V home power3. Motor line ABC,no sequenceof distinction4.Please note that the new type and old type of this product will be sent randomly and make sure you will not mind before ordering..