Features High-Performance Motor Speed Control: Experience smooth and efficient motor speed control without any harsh whistling noise, ensuring practical and reliable performance. and Powerful Construction: Crafted with high-quality materials, this speed regulator module offers high power, low heat, high efficiency, and strong torque for long-lasting and effective . High-Grade ed Potentiometer with Switch Function: Equipped with a high-grade ed potentiometer featuring a switch function, allowing for precise control and easy switching between clockwise (CW) and counterclockwise (CCW) rotation. Stepless Speed Regulation: Enjoy seamless speed adjustment with the stepless speed regulation feature, along with a straightforward CW/CCW switch for simple and convenient . Enhanced Safety Features: Provides protection against power supply reverse connection, control voltage overvoltage, and high current, ensuring safe and reliable usage. Specification: Item Type: Motor Speed Control Module Technical Parameter: Model: CCM2NJ Potentiometer: Resistance Value: B100K; Hole Opening: Approx. 8mm / 0.3in Working Voltage: DC12V？40V The output voltage is about 0？100% of the input voltage. Control Power: 12V x 3A=36W, 24V x 3A=72W......40V x 3A=120W Rated Current: 3A Maximum Current: 5A Speed Adjustment Range: 10%？100% PWM Frequency: 15kHz Applicable Voltage: DC12V？40V Applicable Current: Rated Current: 3A Power Range: Maximum 120W Speed Adjustment Range: 10%？100% Size: Approx. 73 x 40 x 31mm / 2.9 x 1.6 x 1.2in Package List: 1 x Motor Speed Control Module Package List 1 x Motor Speed Control Module