Dc Gear Motor N20 Permanent Magnet Brush 3V-24V 2000rpm with Encoder for Electric Bicycle & Home Appliance

Product Description

Products Description
12mm Small Spur Gear DC Motor
  • 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
12mm small spur gear dc motor
Motor Details 1
Motor Details 2
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
Technical Drawing 1
Technical Drawing 2
Recommend Products
Recommended Product 1
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Motor raw materials
Motor raw materials
Production Equipment
Production Equipment 1
Production Equipment 2
Production Equipment 3
Company 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 include: various precision DC motors, stepper motors, reduction motors, planetary reduction motors, and 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.
Factory Office
Certifications
Product Certifications
Application Scenario
Application Scenarios
Global Market Distribution
Market Distribution Map
Global Trade Area
Frequently Asked Questions
What are the primary features of the GM12-N20VA-ED spur gear motor?
The motor is built with a durable metal spur gear reducer, supports a wide range of rated voltages (DC 1.5V to 24V), delivers a maximum rated torque of 1.5kgf-cm, and features a compact Φ12mm size with an optional magnetic encoder.
Can the output shaft of this 12mm DC motor be customized?
Yes, we support extensive shaft customizations, including concentric driveshafts, Φ3mm D-cut (0.5mm), O-cut, M3/M4 threaded shafts, and other bespoke configurations as per your project requirements.
What industries commonly utilize these micro gear motors?
These motors are widely integrated into medical devices, financial security equipment, smart home appliances, intelligent commercial locks, robotic systems, electric tools, and AI devices.
What is the Minimum Order Quantity (MOQ) for this model?
The standard minimum order quantity (MOQ) for the GM12-N20VA-ED spur gear DC motor is 500 pieces.
Does the motor support position and speed feedback?
Yes, the motor can be equipped with an integrated magnetic encoder offering 3ppr or 7ppr options to provide highly accurate speed and position control feedback.
What commutation options are available for the GM12 series?
We offer both high-durability Carbon brushes and Graphite brushes to suit different operational life cycles and performance requirements.

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