12V 140W Outer Rotor Brushless Motor PWM NdFeB Built-In Driver
12V 140W Outer Rotor Brushless Motor PWM NdFeB Built-In Driver
12V 140W Outer Rotor High-Speed Brushless Motor with Built-In Driver
Upgrade your builds with this powerful 12V 140W Outer Rotor Brushless Motor — engineered for high-speed, high-efficiency applications. Featuring a strong NdFeB (neodymium) magnet outer rotor, a built-in integrated brushless drive circuit, and PWM signal speed control, this motor delivers smooth, responsive performance across a wide RPM range. Whether you're powering RC vehicles, DIY robotics, drones, fans, or custom automation projects, this compact yet capable motor is built to perform.
Made in Mainland China.
Key Features
- Rated Voltage: 12V | Operating Voltage Range: 8V–12V
- Rated Power: 140W at 12V full load
- Max Load Current: 12A
- Speed Range: 800–29,000 RPM (no-load); 24,000+ RPM under full 140W load
- PWM Speed Control: Compatible with external PWM signal control board (sold separately)
- Net Weight: 140g — lightweight and easy to integrate
- Series: 35N outer rotor brushless motor
- Rotor Diameter: 40mm with strong NdFeB magnet outer rotor
- Bearing: Precision ball bearing for durability and smooth operation
- Built-in integrated brushless drive circuit — no separate ESC required
- Dynamic balanced calibration — minimal vibration even at peak RPM
- Rotation Direction: Counterclockwise (shaft facing viewer)
No-Load Test Data
- At 8V: 0.9A no-load current — 19,000 RPM
- At 12V: 1.2A no-load current — 29,000 RPM
What's in the Box?
- 1× 12V 140W Outer Rotor Brushless Motor
Note: External PWM signal control board requires separate purchase. Battery not included.
Important Notes
- Colors may vary slightly due to lighting and screen differences.
- Please allow 1mm–1cm measurement tolerance due to manual measurement.
Learn More About Brushless Motor Technology
For technical background on motor efficiency standards and electrical safety, visit the U.S. Department of Energy – Electric Motors resource.
Frequently Asked Questions
Q: Does this 12V brushless motor include a PWM speed controller board?
A: No — the external PWM signal control board is not included and must be purchased separately. The motor does, however, feature a built-in integrated brushless drive circuit, so no separate ESC (Electronic Speed Controller) is needed.
Q: What is the maximum RPM of this 140W brushless motor?
A: Under no-load conditions at 12V, this outer rotor brushless motor reaches up to 29,000 RPM. Under a full 140W load at 12V, it maintains 24,000+ RPM, making it ideal for high-speed applications.
Q: What applications is this 12V 140W NdFeB brushless motor suitable for?
A: This motor is well-suited for RC vehicles, drones, robotics, custom fans, DIY automation, and other projects requiring a compact, high-speed, high-efficiency 12V brushless motor with PWM speed regulation.
Q: What voltage range does this brushless motor support?
A: The motor operates across a voltage range of 8V to 12V DC, with a rated voltage of 12V for full 140W output.