1. Produto rematadoview
The mGYDY 36V/48V KT 15A Ebike Brushless Motor Controller is designed to provide stable speed control and sensitive braking for 250-350W e-bike brushless motors. Constructed with an aluminum alloy shell, it features excellent heat dissipation to protect internal circuits. This controller is compatible with KT accessories and includes a 1T5 cable for comprehensive connectivity.
Nota importante: This controller requires a compatible KT display for operation.

Figura 1: Máisview of the mGYDY 36V/48V KT 15A Ebike Brushless Motor Controller and included 1T5 cable.
2. Contido do paquete
- 1x mGYDY 36V/48V KT 15A Ebike Brushless Motor Controller
- 1x 1T5 Cable
3. Configuración e instalación
Before installation, ensure your e-bike motor is within the 250-350W range and that you have a compatible KT display. Disconnect power from your e-bike battery before proceeding with any connections.
3.1 Conexión do controlador
The controller features various waterproof connectors for precise and secure connections. Identify the corresponding ports on your e-bike system.
- Conexión do motor: Connect the large 9-pin waterproof plug from the controller to your e-bike motor.
- Conexión de alimentación: Connect the XT60 power plug from the controller to your e-bike battery.
- Conexión de pantalla: The controller must be connected to a KT display via the appropriate cable.
- Palancas de freo: Connect your e-bike brake levers to the designated 2-pin brake plugs on the 1T5 cable.
- Throttle/Dial Handle: Connect your throttle or dial handle to the 3-pin plug on the 1T5 cable.
- Lamp Liña: If applicable, connect your e-bike lights to the 2-pin lamp line plug.

Figura 2: detallada view of the controller's waterproof connections, including XT60 power, motor, and accessory plugs.
3.2 1T5 Cable Connections
The 1T5 cable consolidates multiple connections for a cleaner setup. Ensure each plug is correctly matched to its corresponding component.

Figure 3: The 1T5 cable showing various pin configurations for controller, lamp line, dial handle, appearance (display), and brake connections.
- 9-Pin Controller: Connects to the main controller unit.
- 2 pines Lamp Liña: For e-bike lighting.
- 3-Pin Dial Handle: For throttle or speed control.
- 5-Pin Appearance: Typically for the KT display unit.
- 2-Pin Brake (x2): For connecting two brake levers.
Ensure all connections are firm and waterproof plugs are fully seated to prevent moisture ingress.
4. Instrucións de funcionamento
Once all connections are securely made and verified, you can power on your e-bike system. The controller will work in conjunction with your KT display to manage motor functions.
- Encendido: Turn on your e-bike battery and then the KT display.
- Control de velocidade: Use your e-bike's throttle or pedal-assist system (PAS) to control motor speed. The controller provides steady speed output.
- Freado: The controller offers sensitive braking control. Engaging the brake levers will cut motor power, enhancing safety.
- Funcións de visualización: Refer to your KT display's manual for specific operational modes, settings, and error codes.
5. Mantemento
Un mantemento axeitado garante a lonxevidade e o rendemento óptimo do seu controlador.
- Limpeza: Keep the controller's exterior clean and free from dirt and debris. Use a soft, dry cloth. Avoid using harsh chemicals or solvents.
- Disipación de calor: The aluminum alloy housing is designed for efficient heat dissipation. Ensure the controller is mounted in a location with adequate airflow and not covered by other components.
- Integridade da conexión: Periodically check all electrical connections for tightness and signs of wear or corrosion. Ensure waterproof plugs are securely sealed.
- Almacenamento: When not in use for extended periods, store the e-bike and controller in a dry, temperate environment.

Figure 4: The aluminum alloy housing of the controller, designed for effective heat dissipation.
6 Solución de problemas
If you encounter issues with your controller, consider the following troubleshooting steps:
- Sen alimentación/O motor non responde:
- Verify that the e-bike battery is charged and properly connected.
- Check all connections between the controller, motor, and display for looseness or damage.
- Ensure the KT display is correctly connected and powered on.
- Erratic Speed Control:
- Inspect the throttle/dial handle connection for any issues.
- Check for any loose motor phase wires.
- Brakes Not Functioning Correctly:
- Ensure brake lever connections to the 1T5 cable are secure.
- Verify that the brake levers themselves are mechanically sound.
- Sobrequecemento:
- Ensure the controller is not obstructed and has adequate airflow.
- Confirm the motor power (250-350W) is within the controller's specified range.
Se os problemas persisten despois de intentar estes pasos, póñase en contacto co servizo de atención ao cliente.
7. Especificacións

Figure 5: Dimensions and key electrical specifications of the controller.
| Característica | Especificación |
|---|---|
| Nome do produto | 36V/48V 15A E-bike Brushless Controller with 1T5 Cable |
| Marca | mGYDY |
| Material | Aliaxe de aluminio |
| Dimensións (L x W x H) | 82 mm x 52 mm x 31 mm |
| Voltage | 36 V/48 V |
| Corrente nominal | 15A |
| Potencia nominal | 250 W-350 W |
| Protección a baixa presión | DC30/40±0.5V |
| Configuración de velocidade | 1-4.2 V |
| Entrada de freo | Baixo Nivel |
| Compatibilidade | KT Accessories, requires KT display |
8. Garantía e soporte
8.1 Garantía do fabricante
This mGYDY controller comes with a Garantía do fabricante de 1 anos from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from misuse, accidents, unauthorized modifications, or improper installation.
Conserve o comprobante de compra para reclamacións de garantía.
8.2 Atención ao cliente
For technical assistance, troubleshooting beyond the scope of this manual, or warranty inquiries, please contact mGYDY customer support through the retailer where the product was purchased or refer to the manufacturer's official websitio para información de contacto.
When contacting support, please have your product model number (KT 15A Ebike Brushless Motor Controller) and proof of purchase readily available.