Brushless Planetary Gear Motor GMP36MBL3626
The GMP36MBL3626 brushless planetary gear motor is a compact 24V DC drive solution combining a GMP36-51K planetary gearbox with a BL3650 brushless DC motor. The supplied engineering drawing specifies a 1:51 reduction ratio, 160 ±10% RPM free-load output speed, 125 ±10% RPM rated output speed, and 14 kgf·cm reference rated torque.
Product Overview
The GMP36MBL3626 brushless planetary gear motor is a compact 24V DC drive solution combining a GMP36-51K planetary gearbox with a BL3650 brushless DC motor. The supplied engineering drawing specifies a 1:51 reduction ratio, 160 ±10% RPM free-load output speed, 125 ±10% RPM rated output speed, and 14 kgf·cm reference rated torque. Minimum stall torque is 60 kgf·cm. With an integrated six-wire control interface for VCC, FG speed feedback, CW/CCW direction control, GND, PWM speed regulation, and brake control, this 36 mm-class BLDC planetary gear motor is designed for OEM applications requiring compact size, high torque density, controlled speed, and long-cycle brushless operation. Typical uses include smart actuators, robotics, automation equipment, dispensing mechanisms, medical or laboratory equipment, and other precision electromechanical systems.
Model Information
| Item | Specification |
| Project / Customer Code | GMP36MBL3626 |
| Product Series | GMP36-51K |
| Motor Type | Brushless DC Motor |
| Product Type | Brushless Planetary Gear Motor |
| Driving Motor | BL3650# |
| Rated Voltage | 24 VDC |
| Reference Gear Ratio | 1:51 |
| Driver / Control | 6-wire BLDC control interface with PWM, FG and brake |
Main Parameters
| Parameter | Specification |
| Rated Voltage | 24 VDC |
| Gear Ratio | 1:51 |
| Free-load Speed | 160 ±10% RPM |
| Free-load Current | 300 mA Max |
| Rated Speed | 125 ±10% RPM |
| Rated Current | 1500 mA Max |
| Rated Torque | 14 kgf·cm REF (≈1.37 N·m) |
| Stall Current | 7500 mA Max |
| Stall Torque | 60 kgf·cm Min (≈5.88 N·m) |
| Stall Allowed | No |
| Direction | CW / CCW |
| Noise | 62 dB Max at L=300 mm |
| Driving Motor Model | BL3650# |
| Driving Motor Free-load Speed | 8000 ±10% RPM |
| Driving Motor Free-load Current | 200 mA Max |
Reference Output Performance
| Voltage | Ratio | No-load Speed | No-load Current | Rated Speed | Rated Current | Rated Torque | Stall Current | Stall Torque |
| 24 VDC | 1:51 | 160 RPM | 300 mA Max | 125 RPM | 1500 mA Max | 14 kgf·cm REF | 7500 mA Max | 60 kgf·cm Min |
Motor Control & Feedback
| Control Item | Specification |
| VCC | Pin 1 / Red |
| FG Feedback | Pin 2 / Yellow |
| Direction Control | Pin 3 / White, CW/CCW |
| GND | Pin 4 / Black |
| PWM Input | Pin 5 / Blue, 10 kHz-20 kHz noted on drawing |
| Brake | Pin 6 / Green |
| Harness | 6 × UL1007 24AWG, approx. 250 mm |
| Connector | PH2.0-6P, white |
Mechanical Specifications
| Mechanical Item | Specification |
| Gearbox Type | Planetary Gearbox GMP36-51K |
| Gearbox Outside Diameter | Ø36.8 mm class |
| Motor Outside Diameter | Ø36 mm Max |
| Gearbox Length | 39.6 ±0.5 mm |
| Motor Length | 50 ±0.3 mm |
| Front Pilot Diameter | Ø22 mm |
| Mounting Circle | Ø28 mm |
| Mounting Threads | 4 × M3 × 0.5, depth 6 mm |
| Output Shaft Extension | 15 ±0.2 mm from front reference |
| Harness Length | Approx. 250 mm |
Dimension Drawing

Engineering Advantages
• 24V brushless motor platform supports lower maintenance and longer service life than brushed motor solutions.
• Planetary reduction structure provides high torque density in a compact 36 mm-class package.
• 1:51 reference ratio provides controlled low-speed output for actuator and transmission mechanisms.
• FG feedback, PWM input, CW/CCW direction control, and brake signal support closed-loop or system-level motion control.
• 14 kgf·cm reference rated torque and 60 kgf·cm minimum stall torque provide useful torque reserve for compact drive applications.
• Metal gearbox structure and multi-point mounting interface support stable OEM integration.
Main Applications
Customization Range
Electrical Configuration
Rated voltage and winding specification
Motor speed and target output speed
PWM, FG, brake, and direction-control logic
Connector and wire definition
Gearbox & Performance
Gear ratio selection
Target output speed and torque
Backlash and noise requirements
Duty cycle and service-life target
Mechanical Interface
Output shaft diameter, flat, thread, or special machining
Mounting interface and pilot geometry
Harness length and connector type
Cable outlet orientation
Reliability Validation
Operating temperature and environmental conditions
Load spectrum, start/stop frequency, and peak load
Noise/vibration requirements
Life-cycle and batch-consistency validation
Information Required for Custom Evaluation
Target output speed, rated torque, and peak/stall condition
Input voltage and controller interface requirements
Installation space, mounting drawing, and output shaft specification
Duty cycle, daily cycle count, and expected lifetime
Noise, temperature, and environmental requirements
Annual quantity and validation/certification requirements
FAQ
Q1. What are the main specifications of the GMP36MBL3626 brushless planetary gear motor?
The supplied reference configuration is 24 VDC with a 1:51 planetary reduction ratio, 160 RPM free-load speed, 125 RPM rated speed, 14 kgf·cm reference rated torque, and 60 kgf·cm minimum stall torque.
Q2. Does this BLDC planetary gear motor support speed and direction control?
Yes. The drawing provides PWM input, FG speed feedback, CW/CCW direction control, and a brake signal through a six-wire control interface.
Q3. What is the gearbox and motor size?
The design uses a GMP36-51K planetary gearbox with an approximately Ø36.8 mm gearbox body and a BL3650 motor with Ø36 mm maximum diameter.
Q4. Can the output shaft, gear ratio, cable, and connector be customized?
Yes. These items can be reviewed according to the customer installation drawing, target speed, torque, control interface, and annual quantity.
Q5. Is stall operation allowed?
No. The supplied drawing marks stall operation as not allowed. System-level current limiting, timeout protection, or brake/control logic should be used to avoid prolonged stall conditions.
Q6. What information is needed for OEM selection?
Please provide voltage, target speed, rated and peak torque, installation space, shaft and mounting drawing, duty cycle, control-signal requirements, operating environment, and target lifetime.
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