90-50263-220 DC brushless motor product technical manual, mainly introduces the motor's extreme working parameters, inherent inherent characteristics, external dimensions, load working characteristics, electrical connection instructions and Hall output waveform and other detailed information.
This service manual provides an overview of the 90-50263-220 brushless DC motor, including its construction (three‑phase, six‑step, Y‑shaped winding, sintered NdFeB rotor) and operating principles. It lists the motor's limit working parameters such as continuous current, speed, temperature ranges, and warns that exceeding these limits can cause permanent damage.
The document also details load performance curves, electrical connection diagrams, Hall‑sensor wiring and output waveforms, as well as mechanical dimensions, weight, and recommended cooling measures when the motor surface temperature exceeds 85 °C. Contact information for Beijing ELetechnic Ltd. is provided at the end. This manual is written in Chinese.
| Continuous Working Current | 6.5 A |
|---|---|
| Maximum Speed | 5000 rpm |
| Coil and Rotor Operating Temperature | -20 °C to +150 °C |
| Ambient Temperature Range | -20 °C to +85 °C |
| Torque Constant | 0.687 Nm/A |
| Speed Constant | 14 rpm/V |
| Back‑EMF Constant | 70.1 mV/(A·rpm) |
| Number of Rotor Poles | 4 |
| Maximum Output Power | 701 W |
The motor can continuously operate at a current of 6.5 A.
An external, more effective cooling device must be installed to prevent overheating damage.
The rotor has 4 magnetic poles.