This manual introduces the features of the KEB series brushless motor controller. It includes basic functions, characteristics, specifications, models and installation and maintenance instructions.
This manual provides an overview of the Kelly KEB series brushless motor controllers used in electric bicycles, motorcycles and scooters. It describes the controller's main functions such as fault detection, battery voltage monitoring, current limiting, temperature protection and configurable boost/economy switches.
The document includes detailed specifications, step‑by‑step installation instructions, wiring diagrams, maintenance procedures and a full list of LED error codes with troubleshooting guidance. This manual is written in Chinese.
| Working frequency | 16.6 kHz |
|---|---|
| Standby current | < 0.5 mA |
| 5 V sensor power current | 40 mA |
| Power voltage range | 7.2 V – 18 V to 90 V |
| Power current | 150 mA |
| Standard pedal input | 0‑5 V (three‑wire resistor) or 1‑4 V (Hall) |
| Brake analog input | 0‑5 V |
| Full‑power temperature range (controller housing) | 0 °C – 50 °C |
| Operating temperature range | -30 °C – 90 °C (100 °C shutdown) |
| Phase current (1‑minute) | 100‑350 A (model dependent) |
| Continuous phase current | 50‑150 A (model dependent) |
Yes, the controller can be configured through a computer serial port using the provided software that runs on all Windows versions.
When the controller housing temperature exceeds 90 °C the current is reduced automatically; if it reaches 100 °C the controller shuts down to protect itself and the battery.