The 48V BLDC motor controller is a high-performance solution for electric vehicles, motorcycles, and ships, delivering a rated power of 3000W and supporting a maximum voltage of 75V. Powered by an ARM 32-bit Cortex-M4 core and housed in a flame-retardant PC material enclosure, it offers stable, reliable performance in various environments. This 3 kW controller is ideal for applications requiring efficient motor control, durability, and safety, making it a reliable choice for electric vehicles.
Specification
Model |
BLDC-EZ-A48400 |
Rated Voltage |
48V |
Rated Power |
3kW |
Max Voltage |
75V |
Max Phase Current |
400A |
Rated Phase Current |
160A |
Max Bus Current |
200A |
Weight |
3.2kg |
Features
- 3 kW BLDC electric car motor controller has built-in Bluetooth, which can monitor the status of the controller in real-time with the host software.
- 48V motor controller supports communication protocols: CAN-BUS, RS485, UART, etc.
- Electric car motor controller has the support of automatic motor matching.
- Electric car motor controller is compatible with various motor sensors: Hall, photoelectric encoder, magnetic encoder, etc.
- Precise bus current control to protect controller battery life from over-discharge.
- Motor controller torque, speed, and power can be set individually.
- Integrated DC contactor control circuits, and other modes are also available.
Wiring Diagram with DC Contactor

Wiring Diagram without DC Contactor

Dimension (Unit: mm)

Applications
3 kW electric vehicle motor controllers are suitable for cars, motorcycles, golf carts, ATVs, UTVs and yachts.

Q: What are the main components of a BLDC motor controller?
A: The control system of an electric vehicle (EV) is a sophisticated network of components that manage the vehicle’s operation, ensuring efficient power usage and smooth performance. At its core, the system includes a motor controller, battery management system (BMS), and user interface. The motor controller regulates the flow of electricity to the electric motor, controlling acceleration, braking, and overall speed. The BMS monitors the health of the battery, managing charging cycles and preventing overcharging or deep discharging. Together, these systems work seamlessly to optimize energy efficiency, improve driving experience, and enhance safety.