2000W 40A PWM DC Motor Speed Controller, Soft Start, 10-50V, 12V 24V Compatibility(China Mainland)

2000W 40A DC Motor Speed Controller, DC 10V-50V PWM Overview A heavy-duty DC motor speed controller designed for brushed DC motors. Provides adjustable PWM power control with soft start for smoother acceleration, wide voltage compatibility, and high current capability for demanding applications. Key benefits - Precise speed control: PWM regulation from 5 to 100 percent lets you set motor speed accurately for a wide range of loads. - High power handling: Up to 40 A continuous current and 0.01 to 2000 W output power accommodate medium to high-power motors. - Wide voltage range: Works with DC 10 V to 50 V systems, covering common 12 V, 24 V, 36 V, and 48 V setups. - Soft starting: Built-in soft start reduces mechanical stress and inrush current, extending motor and system life. - Industrial performance: Designed for stable operation over a wide temperature range and for use in demanding environments. What it does and why you need it This controller converts a DC input into a PWM output to control speed, brightness, or heat in devices powered by brushed DC motors or DC loads. It solves common problems such as uncontrolled motor starts, limited speed range, and inefficient manual regulation by providing a compact, adjustable electronic control stage that is easy to integrate into vehicles, machinery, and systems. Key specifications - Working voltage: DC 10 V to 50 V - Maximum current: 40 A - Output power: 0.01 to 2000 W (maximum) - Recommended use ranges: 12 V 250 W; 24 V 350 W; 36 V 400 W; 48 V 500 W - Quiescent current: 0.025 A - PWM regulation range: 5 to 100 percent - PWM frequency: 200 Hz - PCB size: 90 x 51 mm (3.5 x 2 inch) - Enclosure size: 105 x 55 x 40 mm (4 x 2.2 x 1.6 inch) - Operating temperature: -40 C to +85 C (approximately -40 F to +185 F) Compatibility and typical applications - Automotive: wiper motors, radiator and cooling fans, HVAC blower speed control, and other vehicle DC motors. - Industrial and production: conveyor speed control, duct and exhaust fan speed regulation, and motor control for small machines. - Electrical loads: dimming DC lamps and adjusting power to DC heating elements. - Parallel control: can be used for coordinated speed control across multiple devices or units. Practical use scenarios - Use in an automotive cooling fan installation to adjust airflow based on temperature or system demand, reducing noise and power draw. - Install on a small production line conveyor to fine-tune transport speed for different products and reduce mechanical wear from abrupt starts. - Control an HVAC blower or auxiliary fan in a vehicle or enclosure to maintain desired airflow while limiting motor stress at startup. Package contents - 1 x DC motor speed controller with extension cable Notes and installation - Intended for brushed DC motors and DC loads within the specified voltage and power ranges. - Ensure wiring and connectors are rated for the maximum current. - Follow safe wiring practices and provide appropriate fusing or circuit protection to match your application. This controller provides a reliable, adjustable solution for controlling speed, dimming, and heating in DC systems where wide voltage compatibility and robust current handling are required.