Brushless DC Gear Motor GMP42MBL4260
The GMP42MBL4260 brushless DC gear motor is a compact 36 mm-class BLDC geared drive with a built-in driver, developed for OEM equipment requiring electronic commutation, a broad reduction range, and stable geared output. The supplied 24 VDC reference configurations use motor speeds of 4,590 RPM and 4,260 RPM, with gear ratios from 1:6 to 1:1410, rated output power from 10 W to 40 W, and a product weight of 400 g. Across the supplied ratio combinations, no-load output speed ranges from 3 to 765 RPM and loaded speed ranges from 2 to 583 RPM.
Product Overview
GMP42MBL4260 Series The GMP42MBL4260 brushless DC gear motor is a compact 36 mm-class BLDC geared drive with a built-in driver, developed for OEM equipment requiring electronic commutation, a broad reduction range, and stable geared output. The supplied 24 VDC reference configurations use motor speeds of 4,590 RPM and 4,260 RPM, with gear ratios from 1:6 to 1:1410, rated output power from 10 W to 40 W, and a product weight of 400 g. Across the supplied ratio combinations, no-load output speed ranges from 3 to 765 RPM and loaded speed ranges from 2 to 583 RPM. The cylindrical gearbox, 8 mm output shaft, and compact BLDC drive format make the GMP42MBL4260 suitable for robotics, industrial automation, smart equipment, valves, actuators, and other OEM motion-control systems. Final selection should be validated against output speed, load torque, duty cycle, temperature rise, control interface, shaft load, and installation requirements.
Model Information
| Series | GMP42MBL4260 |
| Motor Type | Brushless DC Motor (BLDC) |
| Product Type | Brushless DC Gear Motor with Built-in Driver |
| Reference Performance Table | GMP42MBL4260 supplied performance table |
| Rated Output Power | 10 W–40 W |
| Weight | 400 g |
| Control Interface | Built-in driver; external control interface not specified in supplied data |
Main Parameters
| Parameter | Specification |
| Rated Voltage | 24 VDC |
| Motor Reference Speed | 4,590 RPM / 4,260 RPM |
| Gear Ratio Options | 1:6 / 1:17 / 1:36 / 1:75 / 1:104 / 1:144 / 1:216 / 1:451 / 1:864 / 1:1410 |
| Output Power | 10 W–40 W |
| Weight | 400 g |
| Driver | Built-in |
| Control Signals | Not specified in supplied data |
| Output Speed Range | No-load: 3–765 RPM; loaded: 2–583 RPM |
Reference Output Performance
24 VDC — 4,590 RPM Motor Reference
| Ratio | 6 | 17 | 36 | 75 | 104 | 144 | 216 | 451 | 864 | 1410 |
| No-load speed (RPM) | 765 | 270 | 127 | 61 | 44 | 32 | 21 | 10 | 5 | 3 |
| Loaded speed (RPM) | 583 | 206 | 97 | 46 | 33 | 24 | 16 | 8 | 4 | 2 |
| Source torque value* | 0.21 | 0.53 | 1.13 | 2.02 | 2.8 | 3.88 | 4.86 | 4.9 | 4.9 | 4.9 |
24 VDC — 4,260 RPM Motor Reference
| Ratio | 6 | 17 | 36 | 75 | 104 | 144 | 216 | 451 | 864 | 1410 |
| No-load speed (RPM) | 710 | 250 | 118 | 57 | 41 | 29 | 20 | 9 | 5 | 3 |
| Loaded speed (RPM) | 545 | 192 | 91 | 44 | 31 | 23 | 25 | 7 | 4 | 2 |
| Source torque value* | 0.45 | 1.13 | 1.96 | 3.92 | 3.92 | 3.92 | 4.9 | 4.9 | 4.9 | 4.9 |
Motor Control & Feedback
| Driver Configuration | Built-in driver |
| PWM Input | Not specified in supplied data |
| Ground | Not specified in supplied data |
| Direction Control | Not specified in supplied data |
| Speed Feedback | Not specified in supplied data |
| Power Input | 24 VDC reference versions; wiring definition to be confirmed |
Mechanical Specifications
| Motor Outside Diameter | Ø38 mm REF |
| Gearbox Outside Diameter | Ø36 mm (0 / -0.1) |
| Mounting Interface | 4 × M3; 28 ±0.1 mm mounting pattern shown in drawing |
| Output Shaft Diameter | Ø8 mm (0 / -0.03) |
| Output Shaft Flat | 7 mm (0 / -0.1), per drawing |
| Output Shaft Extension | 15 ±0.2 mm |
| Motor Section Length | 40.0 ±0.2 mm |
| Gearbox Length | L — ratio-dependent; not numerically specified in supplied drawing |
| Front Step / Pilot Diameter | Ø22 mm shown in drawing |
| Drawing Status | Final production dimensions should follow the approved engineering drawing |
Dimension Drawing
Engineering Advantages
Built-in BLDC Driver
Integrated electronic commutation simplifies system integration and supports reliable brushless operation in compact equipment.
Wide Gear Ratio Coverage
Ratios from 1:6 to 1:1410 provide a broad range of output speeds for medium-speed and low-speed geared drive requirements within the same product family.
24 VDC Reference Configurations
The supplied data covers two 24 VDC motor reference speeds, 4,590 RPM and 4,260 RPM, supporting different output-speed and torque combinations across the gear-ratio range.
Broad Output-Speed Range
The supplied 24 VDC ratio combinations cover no-load output speeds from 3 to 765 RPM and loaded output speeds from 2 to 583 RPM.
36 mm-Class Gearbox
The cylindrical gearbox format is suited to compact actuators and equipment requiring a robust 36 mm-class geared drive.
10–40 W Output Power Range
The supplied GMP42MBL4260 series data covers rated output power from 10 W to 40 W for different OEM drive requirements.
Main Applications
AI Robotics
Compact joints, grippers, pan-tilt mechanisms, service-robot modules, inspection mechanisms, and low-power actuators requiring electronic speed control.
Industrial Automation
Small conveyors, valves, positioning mechanisms, feeders, automatic fixtures, and compact drive modules.
Smart Home
Motorized windows, curtains, valves, furniture adjustments, appliance mechanisms, and smart-device actuators.
Medical Equipment
Compact adjustment mechanisms, diagnostic equipment, laboratory automation, and controlled low-power actuators, subject to system-level validation.
Commercial Equipment
Vending, dispensing, coffee-machine mechanisms, self-service terminals, and office automation.
Custom OEM Equipment
Space-limited mechanisms requiring a compact 24 V brushless DC gear motor with a built-in driver and ratio-specific output speed; external control-interface details should be confirmed during engineering evaluation.
Customization Range
Electrical Configuration
Rated voltage and winding configuration
Motor speed and output speed
Lead wire and connector interface
Direction-control and speed-control interface, subject to driver design
Gearbox & Performance
Gear ratio selection
Output speed
Torque target within gearbox capability
Gearbox length based on ratio configuration
Mechanical Interface
Output shaft geometry and length
Mounting interface
Connector orientation and harness requirements
Application-specific mechanical matching
Control & Feedback
PWM speed control
CW/CCW direction control
FG speed feedback
Driver-function matching based on customer controller requirements
Reliability Validation
Duty cycle and temperature rise
Frequent start / stop and reversing
Load variation and overload conditions
Noise, vibration, target lifetime, and batch consistency
Information Required for Custom Evaluation
End product and motion task
Rated and minimum operating voltage
Target output speed
Continuous / starting / peak torque
Installation envelope and shaft/interface drawing
Single-cycle running time and daily cycle count
PWM / direction / FG interface requirements
Ambient temperature and heat-dissipation conditions
Noise and lifetime targets
Expected annual quantity and certification requirements
FAQ
Q1. What information is required to select the GMP42MBL4260 brushless DC gear motor?
Please provide the operating voltage, target output speed, continuous and peak torque, installation space, output shaft requirements, duty cycle, control method, feedback requirements, ambient temperature, target lifetime, and annual quantity. The gear ratio should be selected together with the required speed and load rather than from ratio alone.
Q2. Does this BLDC gear motor include a driver?
Yes. The supplied product data identifies the GMP42MBL4260 as a brushless DC gear motor with a built-in driver. However, the external control-signal definitions, logic levels, connector pinout, and protection functions are not specified in the supplied material and should be confirmed before controller integration.
Q3. What gear ratios and voltage configurations are shown for the GMP42MBL4260?
The supplied reference table covers 24 VDC configurations with motor reference speeds of 4,590 RPM and 4,260 RPM. Gear ratios shown are 1:6, 1:17, 1:36, 1:75, 1:104, 1:144, 1:216, 1:451, 1:864, and 1:1410. Final ratio availability should be confirmed for the required output speed and load.
Q4. What control interface is available for the GMP42MBL4260?
The supplied data confirms a built-in driver, but it does not define PWM, direction, speed-feedback, connector pinout, or logic-level specifications. These interface details should be confirmed during engineering evaluation before the customer controller is finalized.
Q5. Can the shaft, ratio, wiring, or connector be customized?
Customization can be evaluated based on the application. Please provide the required shaft drawing, installation dimensions, target speed and torque, wire length, connector specification, control interface, duty cycle, and annual demand so the engineering team can confirm feasibility.
Q6. How do I place an order with Shunli Motor?
Send us your application requirements or motor specifications. Our engineering team will evaluate the voltage, speed, torque, ratio, control interface, and installation conditions, then confirm the technical solution and sample. After sample approval, mass production can be arranged according to the confirmed specification and delivery requirements.
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