Product Description
The CHR GM37-BLDC3525 is a compact brushless DC gear motor designed for robotics, automation equipment, smart devices, electric doors, pan-tilt systems, and industrial motion control applications. Featuring a full metal gear reduction structure and long-life brushless motor design, this motor provides stable torque output, low noise operation, and reliable continuous performance.
This series supports both 12V and 24V operating voltages and multiple gear reduction ratios for different speed and torque requirements. The integrated FG feedback signal output enables speed monitoring and closed-loop control integration in embedded systems and automation projects.
The motor adopts a durable D-shaped output shaft for secure installation and reduced slippage during operation.
Available package options include:
- Motor only
- Motor + speed controller
- Motor + mounting bracket
- Motor + speed controller + mounting bracket
Key Features
- Brushless DC gear motor design
- Full metal gear reduction gearbox
- Long service life and stable operation
- PWM speed regulation support
- CW/CCW direction control
- FG pulse feedback signal output
- D-shaped output shaft for secure coupling
- Compact 37mm diameter motor body
- Available in 12V and 24V versions
- Multiple gear reduction ratios available
- Suitable for robotics and industrial automation
Applications
- Robotics
- Smart machines
- Industrial automation equipment
- Electric doors and windows
- Pan-tilt camera systems
- Rotating display equipment
- Conveyor and automation systems
- DIY automation projects
- Related Collections→
Specifications
| Item | Specification |
|---|---|
| Brand | CHR |
| Model | GM37-BLDC3525 |
| Motor Type | Brushless DC Gear Motor |
| Motor Diameter | 37mm |
| Operating Voltage | 12V / 24V DC |
| Shaft Type | 6mm D-shaped shaft |
| Shaft Length | 21mm |
| Gear Material | Full Metal Gear |
| Output Signal | FG Speed Feedback |
| PWM Control | Supported |
| Direction Control | CW / CCW |
| Motor Structure | 4-pole stator, 6-slot brushless rotor |
| Weight | Approx. 160g–180g |
| Gear Ratios Available | 1:6.3 / 1:10 / 1:18.8 / 1:30 / 1:50 / 1:90 / 1:150 / 1:260 / 1:450 / 1:630 |
Wiring Definition
| Wire Color | Function |
|---|---|
| Black | GND |
| Red | VCC |
| White | CW / CCW Direction |
| Yellow | FG Signal |
| Blue | PWM Speed Control |
PWM and Signal Parameters
| Item | Specification |
|---|---|
| PWM Input Voltage | 0–5V |
| Speed Regulation Voltage | 1.2–3.3V Analog |
| FG Pulse Output | 9 Pulses / Revolution |
| FG Output Type | Open Collector |
| FG Current | Max 5mA |
Dimensions
| Item | Value |
|---|---|
| Motor Diameter | 37mm |
| Motor Length | Depends on gear ratio |
| Shaft Diameter | 6mm |
| Shaft Length | 21mm |
Package Options
- Motor Only
- Motor + Speed Controller
- Motor + Mounting Bracket
- Motor + Speed Controller + Mounting Bracket
What’s Included
Depends on selected package variant.
Possible included items:
- GM37-BLDC3525 Brushless Gear Motor
- Brushless Speed Controller
- Mounting Bracket
Important Notes
- 12V and 24V motors cannot be mixed or used interchangeably.
- Incorrect wiring may damage the driver.
- Continuous rapid forward and reverse switching is not recommended.
- Actual speed and torque vary depending on gear ratio and load conditions.
