12mm N20 Miniature Gear Motor 3V DC and 12V DC Options with Various Ratios

Technical Specification
KC-N20-07310-12V Gear Motor
Micro Spur Gear Motor — Optimized for precise integration and durable torque output
Model
KC-N20-07310-12V
Motor Type
Micro DC Spur Gear Motor
Rated Voltage
12.0 V DC
Gearbox Type
Spur Reduction Gearbox
No-load Speed
2300 r/min
Stall Torque
0.147 kg·cm
✓ Custom samples: 10-20 days
✓ Bulk order pricing available
✓ ISO 9001, CE & RoHS Compliant
Applications: Precision medical infusion pumps, miniature electronic locks, smart home automation actuators, small robotic joints, optical pan-tilt instruments, automated vending mechanisms, precise lab testing equipment, miniature financial payment terminals.
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The KC-N20 miniature gear motor series engineered by Kechen Motor delivers precise motion control and reliable torque output for micro-drive applications. Designed with an optimized metal gearbox structure and high-performance DC motor cores, these units provide seamless integration into medical devices, precision instruments, robotics, and automated locking systems. The following technical documentation outlines the electrical characteristics, mechanical performance metrics, and comprehensive reduction ratio data for both the 3 V DC and 12 V DC variants.

KC-N20 Miniature Gear Motor Electrical Specifications

Baseline characteristics for KC-N20-09170 and KC-N20-07310 bare motor units
Parameter KC-N20-09170 (3 V Version) KC-N20-07310 (12 V Version)
Rated Voltage 3 V DC 12 V DC
No-Load Speed 9600 rpm 23000 rpm
No-Load Current 35 mA 30 mA
Speed at Max Efficiency 7300 rpm 20500 rpm
Torque at Max Efficiency 2.0 g·cm 2.0 g·cm
Current at Max Efficiency 135 mA 90 mA
Output Power 0.405 W 1.08 W
Stall Torque 8.35 g·cm 18.40 g·cm
Stall Current 0.43 A 0.58 A

KC-N20 Geared Motor Reduction Ratio Performance Table

Performance metrics across multiple reduction stages for KC-N20-09170 and KC-N20-07310
Reduction Ratio 3V No-Load Speed (rpm) 3V Rated Torque (kg·cm) 12V No-Load Speed (rpm) 12V Rated Torque (kg·cm)
10 960 0.016 2300 0.016
30 320 0.042 767 0.042
50 192 0.060 460 0.060
100 96 0.120 230 0.120
150 64 0.150 153 0.150
210 46 0.210 110 0.210
250 38 0.250 92 0.250
298 32 0.298 77 0.298
330 29 0.330 70 0.330

KC-N20 Miniature Gear Motor Mechanical Outline Dimensions

Dimensional specifications for integration | All values in millimeters

KC-N20 miniature gear motor technical 2D drawing showing 2-M1.6 mounting holes and 3.0mm shaft dimensions.

KC-N20 Series Miniature Gear Motor Technical 2D Outline Drawing

Performance Advantages of KC-N20 Miniature Gear Motor

  • Optimized structural integration: Compact form factor with robust 2-M1.6 mounting provisions for secure hardware assembly
  • Precise torque transmission: Multi-stage metal gear reduction options ranging from 10:1 to 330:1 deliver reliable load capacity
  • Compatible voltage ratings: Available in 3 V DC and 12 V DC configurations to match diverse power supply requirements
  • Durable mechanical performance: High-efficiency motor cores and hardened gear components ensure long operational lifespans
  • Versatile speed control: Broad no-load and rated speed spectrums facilitate fine motion adjustments in compact automation systems
Key Search Terms
miniature gear motor | KC-N20 gear motor | 3 V DC micro motor | 12 V DC gear motor | precision DC motor | metal gearbox motor | micro reduction motor | N20 geared motor specifications | custom miniature motor | automated equipment motor

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