SPIDER Automation | BM1109 48V 1000W Brushless DC Motor | 3500RPM Electric Drive Motor for E-Bikes & Scooters
Overview
The BM1109 48V 1000W Brushless DC (BLDC) Motor is an electric drive motor designed for compatible electric scooters, e-bikes and custom electric vehicle projects. Its brushless construction uses electronic commutation and requires a compatible BLDC motor controller for operation.
With a rated voltage of 48V, rated power of 1000W, rated current of 20.8A and rated speed of 3500RPM, the BM1109 provides key electrical and rotational ratings for drive-system selection. It is suitable for projects where the motor, controller, battery, braking components and mechanical installation are designed to work together.
Technical Features & Functional Characteristics
- BM1109 Model: Model-specific brushless motor intended for compatible 48V electric drive applications.
- Brushless Motor Technology: Uses electronic commutation through a compatible BLDC controller rather than a conventional mechanical brush-and-commutator arrangement.
- 1000W Rated Output: Provides the stated motor power rating for compatible electric mobility and mechanical drive systems.
- 3500RPM Rated Speed: Defines the rated rotational speed for drive-system and transmission planning.
- 20.8A Rated Current: Provides an electrical reference for selecting a compatible motor controller, battery and wiring system.
- Electric Mobility Integration: Intended for compatible electric scooters and e-bike drive configurations.
- Robotics & Custom Projects: Can be considered for suitable robotics and custom mechanical drive applications.
Electrical Configuration & Motor Performance
The BM1109 is specified for a 48V DC motor system with 1000W rated power. Its listed rated current is 20.8A, and its rated rotational speed is 3500RPM. These parameters are important when selecting the controller, battery, wiring and associated electrical components.
Actual operating speed and vehicle performance depend on the controller configuration, battery voltage under load, mechanical transmission, wheel size and applied load. The motor’s rated RPM should not be treated as a guaranteed vehicle speed.
Recommended System Components
The BM1109 is intended to operate as part of a compatible electric drive system. The following components are identified as recommended companion products for system integration:
- 48V 1000W BLDC Motor Controller: A compatible controller for electronic commutation and motor operation. Controller current capability and motor connection configuration should match the motor requirements.
- E-Bike Brake: A suitable braking component for the electric vehicle’s mechanical and electrical braking arrangement.
The controller and brake are separate system components and are not included with the motor in this package.
Applications
- Electric Scooters: For compatible 48V scooter drive systems using an appropriately rated BLDC controller.
- E-Bike Builds: For electric bicycle projects where the motor mounting and drive configuration are compatible.
- Electric Vehicle Conversions: For custom vehicle projects designed around the motor’s electrical and mechanical requirements.
- DIY Electric Mobility: For development of custom electric mobility platforms using a compatible 48V drive system.
- Robotics: For robotic platforms requiring a compatible brushless motor and mechanical transmission.
- Custom Mechanical Drives: For suitable rotating-drive applications requiring electronically controlled BLDC operation.
Package Contents
- 1 × BM1109 48V 1000W Brushless DC Motor
Product Specifications
| Parameter | Specification |
|---|---|
| Product Category | Electric Motor |
| Motor Model | BM1109 |
| Motor Type | Brushless DC Motor (BLDC) |
| Motor Construction | Brushless, electronically commutated motor |
| Rated Voltage | 48V DC |
| Rated Power | 1000W (1kW) |
| Rated Current | 20.8A |
| Rated Rotational Speed | 3500RPM |
| Motor Control Method | Electronic commutation through a compatible BLDC controller |
| Electrical System Compatibility | Compatible 48V BLDC motor drive system |
| Recommended Controller | Compatible 48V 1000W BLDC motor controller |
| Recommended Companion Component | Suitable e-bike brake |
| Intended Vehicle Applications | Compatible electric scooters and e-bikes |
| Additional Applications | Robotics, DIY electric vehicle builds and custom mechanical drive systems |
| Motor Weight | 3674g (3.674kg) |
| Package Quantity | 1 motor |
Connection & Operating Recommendations
For correct integration, use a BLDC controller and battery system compatible with the BM1109 motor’s electrical requirements. The motor’s phase connections, control wiring and mechanical mounting must follow the relevant motor and controller documentation.
- Controller Matching: Use a compatible 48V BLDC controller suitable for the motor’s rated power and current. Confirm phase and sensor compatibility before connecting the motor.
- Battery Selection: Select a battery system compatible with the controller’s input-voltage range. Account for the battery’s fully charged voltage, not only its nominal voltage.
- Electrical Connections: Use appropriately rated wires, connectors, switches and protective components for the system’s operating current.
- Brake Integration: Install a suitable e-bike braking system and connect any electrical brake-control interface only according to the controller’s wiring documentation.
- Mechanical Mounting: Secure the motor using a suitable mounting arrangement designed for its dimensions and operating loads.
- Transmission Matching: Match the mechanical coupling or transmission to the motor’s rated speed and intended load.
- Initial Testing: Conduct a controlled low-load test and check motor rotation, controller response, abnormal vibration and excessive heating.
- Electrical Isolation: Disconnect the battery before making or modifying motor and controller connections.
