Features HIGH PERFORMANCE: PWM controlled DC motor speed controller, supports forward and reverse rotation, with high efficiency, low twisting and low heating. FOR DC MOTOR: The motor driver can be used for speed regulation and gradation of brush motor in DC circuits, with high efficiency and good reliability. WIDE RANGE OF USE: The motor control board has a button for easy adjustment and the input voltage range is 12-55V DC, which is suitable for a wide range of applications. DIN-RAIL MOUNTING: The motor speed controller has a compact structure and adopts the DIN rail installation method, simple and convenient, saves a lot of space. GOOD STABILITY: Using excellent electronic components, this motor controller module is practical and durable, with stable performance and easy to use. Specification: Item Type: DC Motor Controller Material: PCB, Aluminum Alloy, ABS Input voltage: DC12-55V Output voltage: Linear under load Output current: 0-20A (within 10A for long-term use, make sure that the module is not clogged for heat dissipation) Speed regulation type: PWM regulation Speed regulation mode: potentiometer (linear) Speed range: 0-100% Control frequency: 25KHZ Package list: 1 x DC Motor Controller Small note: Do not use overload. Package List 1 x DC Motor Controller