Voltage range and compatibility Voltage input: 9V to 28V DC. Suitable for a wide range of DC power sources, including automotive 12V/24V systems and other 928V supply configurations. Current rating: 1 to 3 A. Supports common DC motors and actuators within this load range. Control and wiring Speed adjustment: 3/4 gear buttons or stepless speed adjustment. Provides both fixed gear selection and smooth continuous control for precise motor performance. Direct polarity connection: Supported. Easy installation by connecting positive and negative directly. Protection Voltage protection: 2840V protection. Protects the controller and connected devices from voltage spikes within this range. Key benefits Broad compatibility with multiple DC power sources reduces the need for adapters or power conversion. Flexible speed control enables precise tuning for diverse loads and applications. Simple wiring with direct polarity support streamlines installation. Builtin overvoltage protection enhances reliability and lifespan of the system. Use scenarios Automotive and vehicle projects: Use to control cooling fans, pumps, or small winches in 12V or 24V systems, enabling adjustable performance without complex wiring. DIY robotics and automation: Drive DC motors in educational robots, conveyors, or automation demonstrations with selectable gear modes or smooth throttle. Offgrid and portable power setups: Manage motor speed for pumps or actuators powered from solar panels or battery banks within 928V, supporting versatile field applications.