12mm Micro DC Gear Motor Permanent Magnet Brush 3V-24V GM1812-N20VA Flange Mount 1.5W for Home Appliance Smart Home Electric

Product Description

Products Description
GM1812-N20 Worm Reducer Gearmotor

GM1812-N20 DC Right Angle Worm Reducer Gearmotor

  • Model: GM1812-N20
  • Structure: N20 motor integrated with compact metal worm gearbox
  • Gearbox: Metal worm gear reducer
  • Rated Voltage: DC 1.5V, 3V, 6V, 9V, 12V, 24V
  • Rated Torque: Max. 3 kgf-cm
  • Size: Φ12mm * L 33mm
  • Shaft: Right angle 90° driveshaft, Φ3mm D-cut 0.5mm, O, M3, M4, custom
  • Commutation: Carbon brush / precious metal brush
  • Construction: Permanent Magnet iron cored motor
  • Encoder: Magnetic encoder 3ppr, 7ppr, 12ppr
  • MOQ: 500 pcs
GM1812-N20 Motor Technical Details
Gearbox with motor Data:
GM1812-N20-11135-3.0V
Reduction 42 80 105 121 158 230 302 346 453
Length(mm) 10 10 10 10 10 10 10 10 10
No-load speed(rpm) 267 140 107 93 71 49 37 32 25
Rated speed(rpm) 229 120 91 79 61 42 32 28 21
Rated torque(kg.cm) 0.05 0.10 0.13 0.15 0.19 0.23 0.30 0.35 0.45
Stalling Torque (kg.cm) 0.35 0.67 0.88 1.02 1.33 1.61 2.11 2.42 3.17
GM1812-N20-05600-12.0V
Reduction 105 121 158 230 302 346 453 692 906
Length(mm) 10 10 10 10 10 10 10 10 10
No-load speed(rpm) 219 190 146 100 76 66 51 33 25
Rated speed(rpm) 198 172 132 90 69 60 46 30 23
Rated torque(kg.cm) 0.13 0.15 0.19 0.23 0.30 0.35 0.45 0.69 0.91
Stalling Torque (kg.cm) 1.32 1.52 1.98 2.40 3.16 3.62 4.74 7.23 9.47
GM1812-N20 Motor Dimensional Specs
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Company Profile
Production Facility

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 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.

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Frequently Asked Questions (FAQ)
What are the primary specifications of the GM1812-N20 gearmotor?
The GM1812-N20 combines a compact N20 motor with a robust metal worm gear reducer. It supports rated voltages from DC 1.5V to 24V, provides a maximum torque of 3 kgf-cm, and features a right-angle 90° driveshaft.
Can the output shaft be customized for specific applications?
Yes. The output shaft configuration is highly customizable. Options include a standard Φ3mm D-cut (0.5mm) shaft, O-type, M3, M4, or other customized designs tailormade for your requirements.
What encoder options are available for this motor?
The motor supports integrated magnetic encoders with resolutions of 3ppr, 7ppr, and 12ppr, allowing precise speed and position control.
In which industries are these micro motors commonly applied?
They are widely applied in smart home technology (intelligent locks, switches), medical devices, security scanners, 5G communications, AI-powered robotics, electronic tools, beauty equipment, and automotive components.
What is the Minimum Order Quantity (MOQ) for the GM1812-N20 motor?
The minimum order quantity for this specific worm gear reducer motor is 500 pieces. For custom sample inquiries, please contact our support team.

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