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40A PWM DC Motor Speed Controller 12V–48V 2000W

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The 40A PWM DC Motor Speed Controller by Okystar is a high-power motor control module designed to provide smooth and efficient speed regulation for DC motors. Using Pulse Width Modulation (PWM) technology, it allows precise adjustment of motor speed while maintaining torque and minimizing power loss.

Supporting a wide operating voltage range of 12V to 48V DC and capable of handling currents up to 40A, this controller is ideal for DC motors used in fans, pumps, conveyors, robotics, and industrial automation systems.

The built-in rotary knob provides convenient speed adjustment, making it easy to optimize motor performance for various applications.

Technical Specifications

Parameter Specification
Product Name PWM 40A DC Motor Speed Controller
Operating Voltage DC 12V – 48V
Maximum Current 40A (instantaneous)
Output Power 0.01W – 2000W
Speed Control Method PWM (Pulse Width Modulation)
Compatible Motors Brushed DC Motors
Dimensions 90 × 51 mm
Weight 50 g
Speed Adjustment Rotary Potentiometer Knob

Key Features

  • Wide Voltage Compatibility – Supports 12V, 24V, and 48V DC brushed motors, making it suitable for a wide range of applications.
  • High Current Capacity – Designed to handle up to 40A, ideal for high-power motors, pumps, fans, and conveyor systems.
  • PWM Speed Control – Uses Pulse Width Modulation (PWM) technology for smooth, efficient motor speed regulation with reduced power loss and heat generation.
  • Precise Speed Adjustment – Easily adjust motor speed using the onboard control knob for accurate performance tuning.
  • High Power Output – Supports motor loads up to 2000W depending on supply voltage and operating conditions.
  • Enhanced Safety Protection – Features built-in protection against overload, short circuits, and overheating for improved reliability and equipment safety.
  • Compact Design – Small footprint (90 × 51 mm) makes integration easy in control panels, machines, and DIY projects.
  • Durable Construction – Built for continuous operation in automation, industrial, and hobbyist applications.

Ideal Applications

  • DC motor speed control
  • Water pumps
  • Cooling and ventilation fans
  • Conveyor belt systems
  • Robotics and automation projects
  • Electric vehicles and mobility projects
  • Workshop machinery
  • DIY electronics and engineering projects

Ensure your order is placed by 2PM to guarantee next-day delivery! Our commitment to prompt service includes a 24-hour delivery system through our network of carriers, aimed at ensuring your package arrives right on schedule.

Please note, a delivery fee of €4.99 applies for orders under €50. For those in remote areas, be aware that our couriers may apply an extra surcharge. This additional fee helps cover the costs of transporting your items to harder-to-reach locations.