12mm GM12-N20 3v 200rpm Micro Metal Gear Dc Motor with Encoder for Robots

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
12mm small spur gear dc motor outline dimension drawing
12mm small spur gear dc motor performance curve
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
12mm small spur gear dc motor structural parts
12mm small spur gear dc motor detail inspection
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Motor raw materials
High quality motor raw materials used for production
Production Equipment
Automated winding equipment
High precision assembly gear machinery
Motor reliability testing station
Company Profile
Professional Micro Motor Manufacturer

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, it has adhered to the concept of "people-oriented, pioneering and innovative spirit". After 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.

Manufacturing workshop and production lines
Certifications
Enterprise Quality management system certificates
Application Scenario
Main applications of small spur gear dc motors
Global Market Distribution
Global sales network and market distribution map
Worldwide distribution data chart
Frequently Asked Questions
What are the key applications for this 12mm spur gear DC motor?
It is widely applied in smart locks, medical equipment, financial security, smart home systems, automated medicine cabinets, intelligent robots, beauty devices, and small electric tools.
Can the shaft shape and length be customized?
Yes, customization is available. Standard driveshaft options include concentric designs, Φ3mm D-cut (0.5mm depth), O-ring grooves, M3 and M4 threads, or custom dimensions depending on requirements.
What input voltages are supported by the GM12-N20 series?
The motor can be customized to operate at different rated DC voltages including 1.5V, 3V, 6V, 9V, 12V, and 24V to suit different power supply configurations.
Does the motor support closed-loop speed feedback control?
Yes, the motor can be configured with an integrated magnetic encoder (supporting 3ppr or 7ppr resolution) for speed control and position feedback applications.
What materials are used for the internal gears of the gearbox?
The reduction gearbox uses precision metal spur gears to ensure long-term durability, reliable torque output, and low backlash compared to plastic alternatives.
What is the Minimum Order Quantity (MOQ) for production?
The standard MOQ for custom orders of the GM12-N20VA-ED motor is 500 pieces.

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