DC 9–60V PWM Motor Speed Controller 20A Stepless Regulator
DC 9–60V PWM Motor Speed Controller 20A Stepless Regulator
DC 9–60V PWM Motor Speed Controller — Stepless 20A Pulse Width Modulator
Take full command of your DC motor with this compact, high-performance PWM Motor Speed Controller from APWIKOGER. Supporting a wide voltage range of 9V to 60V and a maximum current of 20A, this stepless regulator is an ideal solution for hobbyists, engineers, and makers who need precise, reliable motor speed adjustment in a rugged aluminum-alloy housing.
Made in Mainland China.
Key Features
- Wide Voltage Compatibility (DC 9V–60V): Covers 12V, 24V, 48V, and 60V systems, making it versatile enough for a broad range of DC motor applications.
- Precise PWM Speed Control (0%–100%): Adjusts the duty cycle of the 25 kHz PWM signal for smooth, stepless motor speed regulation from a full stop to maximum speed.
- Forward & Reverse Direction Control: Simply switch the direction signal to reverse motor rotation — giving you complete operational flexibility.
- Built-In Protection Circuits: Overcurrent, overvoltage, and overheating safeguards help protect both your motor and the controller, extending service life.
- Compact Aluminum-Alloy Housing: The 92 × 52 × 36 mm form factor makes it easy to integrate into tight spaces, mechanical enclosures, and DIY builds.
- Simple Potentiometer Adjustment: No software required — dial in your desired speed with the onboard potentiometer for instant, tactile control.
Technical Specifications
| Working Voltage | DC 9V – 60V |
| Maximum Current | 20A |
| Continuous Current | 18A |
| PWM Frequency | 25 kHz |
| Speed Adjustment Range | 0% – 100% (stepless) |
| Adjustment Method | Potentiometer |
| Motor Type | DC Motor |
| Module Size | 92 × 52 × 36 mm (3.62 × 2.05 × 1.42 in) |
| Weight | 135 g |
| Housing Material | Aluminum Alloy |
| Battery Included | No |
| Country of Origin | Mainland China |
What's in the Box
- 1 × DC Motor Speed Controller (PWM Speed Regulator)
Safety & Electrical Standards
This controller operates within the EU LVD low-voltage directive range (below 50 Vac / 75 Vdc), and its integrated overcurrent, overheating, and overvoltage protection circuits comply with general electrical safety best practices. For guidance on working safely with DC electrical systems and motor drives, refer to OSHA's Electrical Safety guidelines.
Note: Due to monitor and lighting variations, the actual product color may appear slightly different from images. Please allow ±1–2 cm measurement tolerance.
Frequently Asked Questions
Q: What types of DC motors is this PWM speed controller compatible with?
A: This PWM motor speed controller is compatible with most brushed DC motors operating between 9V and 60V, including 12V, 24V, 36V, and 48V motors. It supports motors drawing up to 20A continuous (18A rated continuous). It is NOT designed for brushless DC (BLDC) motors or AC motors.
Q: Can I control both the speed and direction of the motor with this controller?
A: Yes. The controller supports both forward and reverse rotation control. You can change the motor's direction by switching the direction signal input, and adjust speed steplessly from 0% to 100% using the onboard potentiometer.
Q: Does this PWM controller require any external heat sink or cooling?
A: The aluminum-alloy housing acts as a passive heat sink for normal operating loads. For sustained high-current applications near the 20A maximum, mounting it to a larger metal surface or adding supplemental airflow is recommended to help maintain optimal operating temperature and trigger the overheating protection less frequently.
Q: What does the 25 kHz PWM frequency mean for my motor?
A: The 25 kHz switching frequency is above the audible range for humans (~20 kHz), which means the controller operates quietly without the annoying whine common in lower-frequency PWM controllers. It also results in smoother motor rotation, particularly at low speeds.