Specification Brand : Greensen BulletPoint : US-52 AC speed motor controller regulated speed forword backword controller frequency conversion BulletPoint1 : This easy-to-use DC motor speed controller offers for efficient motor control. BulletPoint2 : Start/stop switch: This motor speed controller comes with a momentary start/stop switch and a speed control potentiometer for easy BulletPoint3 : Convenient wiring: Screw terminals make wiring quick and convenient, so you can get your motor up and running in no time. BulletPoint4 : Accurate speed display: The digital display shows the percentage of actual speed to maximum speed, allowing for precise control. BulletPoint5 : Long-lasting performance: Our speed controller is made with a circuit board, ensuring a longer service life. ExternallyAssignedProductIdentifier : 7290070239674 GpsrSafetyAttestation : 1 ItemName : DC 6-60V 12V 24V 36V 48V 30A PWM DC Motor Speed Controller (PWM) Speed Adjustable Stepless Governor Regulator Motor Speed Controller with Start Stop Switch ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 15 centimeters ItemPackageDimensions_Width : 9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : motor-speed-controllers Manufacturer : Greensen Material : Copper MeasurementAccuracy : ±1% MeasuringRange : 0 - 3000 RPM ModelName : Greensenr3gy89sfhc ModelNumber : Greensenr3gy89sfhc MountingType : Surface Mount NumberOfItems : 1 OutputType : electrical signal PartNumber : Greensenr3gy89sfhc ProductDescription : Specifications: Input Voltage Range: DC6V-60V (input voltage should be same as motor rated voltage) Output Voltage: Linear with load Output Current: 30A Continuous Current: 20A Speed Range: 0% to Regulation Method: Potentiometer Regulation Type: Regulating Current Control Frequency: 15KHz Wiring Type: Screw terminal Package Includes: 1 x Speed Controller Note: 1. Please allow small size error due to manual measurement. Thanks for your understanding. 2. The digital tube only displays 0-100 motor full speed percentage, not the actual motor speed. For example, if the maximum motor speed is 500 rpm, it will display 100 at 500 rpm and 50 at 250 rpm.