20″ E-bike magnesium alloy motor
Overview
20″ E-bike magnesium alloy motor from our manufacturing partner. Rated power 400 W, rated speed 400 rpm. Full specifications and engineering dimensions are listed below.
- Size: 20″
- Category: A motor
- Rated power: 400 W
- Rated speed: 400 rpm
- Full specifications & dimensions below
Product Views & Dimensions
Technical Specifications
Motor Parameters
| Working voltage (V) | 48 |
| Rated power (W) | 400 |
| Peak power (W) | 1500 |
| Rated speed (rpm) | 400 |
| Peak torque (N.m) | ≥70 |
| Peak efficiency (%) | 87 |
| Protection level (IP) | 67 |
| Insulation level | H |
| Sensor type | Hall |
Motor Size
| Rim width | 35 |
| Rim material | Magnesium alloy |
| Rim diameter | Φ406 |
| Motor shaft drop out size | 175 |
| Motor shaft outlet mode | Oblique outlet |
| Flat square size | 12 |
| Motor shaft thread size | M16 |
Frequently Asked Questions
What voltage is this motor rated for?
This motor is rated for 48V operation. Please confirm your battery pack voltage matches before ordering.
What is the rated and peak power of this motor?
The rated power is 400W, and peak power reaches 1500W for short-duration high-load operation.
What are the speed and torque ratings?
Rated speed is 400rpm; peak torque is >=70N.m. Actual performance depends on the controller settings and the load.
What is the protection level of this motor?
The motor is rated IP67, so it is protected against dust and water ingress to that level when the housing and connectors are properly sealed.
Which position sensor does this motor use?
It uses a HALL position sensor, providing accurate rotor position feedback for smooth and efficient operation.
What wheel size does this motor fit?
This motor is designed for 20-inch wheel fitment. Please check the flange and axle dimensions against your rim before purchase.
Need a Quote?
Contact DUNE for pricing, samples and customization.