N20 Mini Gear Motor with JST Connecting Wire Brush Commutation for Electric Bicycle and Home Appliance Use

Product Description

Products Description
12mm small spur gear dc motor
12mm Small Spur Gear DC Motor
Main Features
  • Model: GM12-N20VA-ED
  • Gearbox: metal spur gear reducer
  • Rated Voltage: DC 1.5V, 3V, 6V, 9V, 12V, 24V
  • Rated Torque: Max. 1.5kgf-cm
  • Size: Φ12mm * L TBD
  • Shaft: concentric driveshaft, Φ3mm D-cut 0.5mm, O, M3, M4, custom
  • Commutation: Carbon brush / Graphite brush
  • Construction: Permanent Magnet iron cored motor
  • Encoder: Magnetic encoder 3ppr / 7ppr
  • MOQ: 500 pcs
Product Technical Illustration
Motor Dimension Details
Technical Specifications
Gearbox with motor Data: GM12-N20-09170-3.0V
Reduction 10 30 50 100 150 210 250 298 330
Length (mm) 9 9 9 9 9 9 9 9 9
No-load speed (rpm) 960 320 192 96 64 46 38 32 29
Rated speed (rpm) 730 243 146 73 49 35 29 24 22
Rated torque (kg.cm) 0.02 0.04 0.06 0.12 0.15 0.21 0.25 0.30 0.33
Stalling Torque (kg.cm) 0.07 0.18 0.25 0.50 0.63 0.88 1.04 1.24 1.38
Gearbox with motor Data: GM12-N20-07310-12.0V
Reduction 50 100 150 210 250 298 330 380 1000
Length (mm) 9 9 9 9 9 9 9 9 12
No-load speed (rpm) 460 230 153 110 92 77 70 61 23
Rated speed (rpm) 410 205 137 98 82 69 62 54 21
Rated torque (kg.cm) 0.06 0.12 0.15 0.21 0.25 0.30 0.33 0.38 0.60
Stalling Torque (kg.cm) 0.55 1.10 1.38 1.93 2.30 2.74 3.04 3.50 5.52
Structure breakdown
Measurement schematic
Recommend Products
Recommended Motor Option 1
Recommended Motor Option 2
Motor Raw Materials
Premium raw materials used in motors
Production Equipment
Equipment 1
Equipment 2
Equipment 3
Profile
Manufacturing workshop profile

The enterprise was established in August 2009. It is a high-tech enterprise that integrates the research and development, production, and marketing of micro motor series products. The main products of the company include: various precision DC motors, stepper motors, reduction motors, planetary reduction motors brushless motors. Micro motors are widely used in medical equipment, medical detection and analysis, financial security, 5G applications, automotive appliances, intelligent communication, iris technology, AI intelligence, smart grid, smart home, commercial intelligent locks, smart switches, smart medicine cabinets, fresh food cabinets, smart wear, outdoor equipment intelligent robots, electric tools, beauty tools, etc. Since its establishment, it has adhered to the concept of "people-oriented, pioneering and innovative spirit". After eleven years of rapid development, it has a group of young and pragmatic, professional and efficient work teams, advanced production facilities, efficient management, excellent quality, and high-quality services to meet customers' needs of continuously improving product levels, reducing energy consumption, facilitating production, and improving efficiency, winning more and more recognition from customers.

Certifications
Quality certifications and patents
Application Scenario
Diverse micro motor application scenarios
Global Market Distribution
Global market distribution map
Logistics and global distribution network
Frequently Asked Questions
What are the main applications for the 12mm small spur gear DC motor?
This micro motor is widely applied in smart home appliances, smart commercial locks, smart switches, medical equipment, AI robotics, financial security devices, and outdoor smart equipment.
Can the output shaft of the motor be customized?
Yes, we offer multiple shaft options including concentric driveshafts, Φ3mm D-cut (0.5mm), round (O), M3, M4, and other fully customized dimensions to suit your engineering requirements.
What rated voltages are available for the GM12-N20 series?
The motor supports a wide range of rated input voltages including DC 1.5V, 3V, 6V, 9V, 12V, and 24V. Detailed specifications for standard 3.0V and 12.0V configurations are provided in the datasheets.
Are encoders available for these spur gear motors?
Yes, a magnetic encoder with either 3ppr or 7ppr resolution can be integrated for precise speed and position feedback control.
What is the Minimum Order Quantity (MOQ) for bulk orders?
The standard Minimum Order Quantity (MOQ) for custom manufacturing is 500 pcs per model. Please get in touch for custom sample assessments.
What type of gears are used in the reduction gearbox?
The motor uses high-durability, precision metal spur gears to ensure consistent torque transmission, minimized backlash, and a long operational lifespan.

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