PWM DC Motor Speed Controller 10–55V 40A LED Display Module

Gaqqee PWM DC Motor Speed Controller — 10–55V, 40A Continuous, LED Digital Display

Take precise command of your DC brushed motors with this feature-packed PWM speed controller from Gaqqee. Engineered for hobbyists, makers, and engineers alike, this compact drive module delivers smooth, stepless speed adjustment from 0% to 100% via a built-in potentiometer — all shown in real time on a crisp LED digital display.

With support for both forward and reverse rotation, a wide input voltage range of DC 10–55V, and a robust 40A continuous / 60A peak current rating, this module handles demanding loads with ease. CE and RoHS certified for added confidence.

Made in Mainland China.

Key Specifications

• Input Voltage: DC 10–55V (match to your motor's rated voltage)
• Output Voltage: Linear under load
• Continuous Current: 40A
• Maximum Peak Current: 60A
• Speed Control Range: 0–100% (stepless)
• Speed Control Method: Potentiometer (linear, 100K with switch)
• Control Frequency: 15 kHz
• Compatible Motors: DC brushed motors
• Forward / Reverse: Supported
• Terminal Type: Fence-type terminal block
• Display: LED digital readout
• Certifications: CE, RoHS
• EU LVD Voltage: Below 50Vac or 75Vdc
• Battery Included: No
• Wireless Functionality: No

Why Choose This Speed Controller?

• Wide Voltage Compatibility: Works across a broad DC 10–55V range, making it versatile for various motor setups.
• High Current Handling: 40A continuous and 60A peak capacity suits heavy-duty DC brushed motor applications.
• Intuitive Potentiometer Control: Simple linear dial gives you smooth, precise speed adjustment without complex programming.
• LED Digital Display: Real-time speed readout for at-a-glance monitoring.
• Bi-Directional Control: Integrated forward/reverse switching for greater flexibility in your projects.
• Secure Terminal Block: Fence-type terminal block ensures solid, vibration-resistant wiring connections.

Package Contents

• PWM DC Motor Speed Controller Module × 1

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Frequently Asked Questions

Q: What types of motors are compatible with this PWM DC motor speed controller?

A: This PWM DC motor speed controller is designed specifically for DC brushed motors. It accepts input voltages from DC 10V to 55V, making it suitable for a wide range of brushed DC motor applications in DIY, automotive, industrial, and hobby projects.

Q: Can this speed controller run motors in both forward and reverse directions?

A: Yes! This module supports both forward and reverse motor rotation, giving you full bi-directional control. Simply use the built-in switch to change the direction of motor rotation as needed for your application.

Q: What is the difference between the continuous current rating and the maximum current rating?

A: The continuous current rating of 40A is the safe sustained operating current the controller can handle over extended periods. The maximum peak current of 60A refers to the brief surge capacity the module can tolerate during startup or momentary spikes. For reliable long-term operation, ensure your motor draw stays within the 40A continuous limit.

Q: Does the LED digital display show live speed data?

A: Yes. The built-in LED digital display provides a real-time readout of the speed setting as you adjust the potentiometer dial. This makes it easy to monitor and fine-tune your motor speed precisely during operation.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.