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
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;
12mm small spur gear dc motor details
12mm motor layout drawing
12mm gear motor specifications
Gearbox Data & 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
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
Gearbox performance view
Gear motor dimensional design
Recommend Products
Recommended motor type 1
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Motor raw materials
Raw materials quality standard
Production Equipment
Precision processing facility
Automated assembly machine
Quality testing device
Company Profile
Manufacturing workshop overview
Established in August 2009, this high-tech enterprise 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, the team 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
International quality certifications
Application Scenario
Detailed application areas
Global Market Distribution
Global market distribution map
Market share diagram
Frequently Asked Questions (FAQ)
What are the primary applications of this 12mm spur gear dc motor?
The motor is widely used in medical equipment, medical detection and analysis, financial security, 5G applications, automotive appliances, intelligent communication, iris technology, AI intelligence, smart home setups, commercial intelligent locks, smart wear, intelligent robots, electric tools, and beauty devices.
What voltage options are available for the GM12-N20VA-ED motor series?
We support multiple rated voltage options, including DC 1.5V, 3V, 6V, 9V, 12V, and 24V. Custom voltage adjustments can also be engineered to match your application requirements.
Can the output shaft configuration of this motor be customized?
Yes. Standard concentric driveshaft options include Φ3mm D-cut (0.5mm), O-type, M3, M4, and fully customizable shaft lengths or shapes to fit your mechanics.
Does this micro dc motor support encoder integration?
Yes, it features option compatibility for a magnetic encoder supporting 3ppr or 7ppr for precise closed-loop speed and position control.
What is the Minimum Order Quantity (MOQ) for these micro motors?
The standard minimum order quantity (MOQ) is 500 pcs per batch order. For sample runs or prototype requests, please contact us.
What components and gear material are used in the gearbox?
The gearbox utilizes a premium metal spur gear reducer setup designed for high durability, delivering a maximum rated torque of up to 1.5kgf-cm.

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