12mm 12V N20 DC Gear Motor with Transparent Dust Cover Metal Gearbox
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Engineering Overview of The KC-GM12-N20-06350-12.0V N20 DC Gear Motor
Comprehensive technical documentation and performance profiles for precision automation and micro-drive integration.
Technical Introduction and Architecture
The KC-GM12-N20-06350-12.0V represents a highly optimized n20 dc gear motor engineered for applications requiring strict spatial constraints and robust mechanical output. As a specialized n20 micro motor, this unit integrates a high-efficiency miniature direct current motor core with a precision-machined metal reduction gearbox. Designed to operate reliably as a versatile 12v small dc motor, it delivers consistent rotational force and speed stability across diverse operational cycles.
Incorporating an integrated transparent dust protection cover, this n20 micro gear motor ensures enhanced longevity by shielding internal mechanical components from particulate contamination. Engineers and system integrators can deploy this drive solution across precision medical instrumentation, miniature robotics, automated locking mechanisms, and optical equipment where dependable performance and exact dimensional tolerances are mandatory.
Core Engineering Advantages
- Precise Reduction Ratios: Available with multiple gear reduction configurations ranging from 10:1 up to 330:1, allowing precise speed and torque scaling for specific application demands.
- Robust Metal Gearbox: Constructed with high-strength metal gears housed inside a 12 mm square profile, ensuring superior load capacity and extended operational durability compared to plastic alternatives.
- Dust Protection Integration: Features a transparent dust cover that safeguards the internal commutator and gear train while enabling visual inspection during maintenance cycles.
- Customization Compatibility: Designed for seamless integration with custom voltage requirements, output shaft dimensions, wiring harnesses, and connector interfaces to suit OEM integration projects.
General Specification Parameters
| Parameter Name | Specification Value |
|---|---|
| Model Designation | KC-GM12-N20-06350-12.0V |
| Motor Architecture | N20 micro motor core |
| Gearbox Structure | Metal reduction gearbox |
| Protection Mechanism | Transparent dust cover integration |
| Nominal Voltage | 12.0 V DC |
| No-load Speed | 23000 rpm |
| No-load Current | 30 mA |
| Maximum Efficiency Speed | 20500 rpm |
| Maximum Efficiency Torque | 2.0 g·cm |
| Maximum Efficiency Current | 90 mA |
| Output Power | 1.08 W |
| Stall Torque | 18.40 g·cm |
| Stall Current | 0.58 A |
| Gearbox Dimensions | 12 × 12 × 12 mm |
| Overall Length | 35 mm |
| Output Shaft Diameter | Ø4 mm |
| Output Shaft Length | 15.2 mm |
| Flat Shaft Diameter | Ø3 mm |
| Flat Section Length | 2.5 mm |
| Mounting Configuration | 2 × M1.6 holes, 6 mm pitch |
| Rotation Direction | CCW (Counterclockwise) |
Reduction Ratio Performance Specifications
| Reduction Ratio | No-load Speed | Rated Speed | Rated Torque | Stall Torque |
|---|---|---|---|---|
| 10:1 | 2300 rpm | 2050 rpm | 0.016 kg·cm | 0.147 kg·cm |
| 30:1 | 767 rpm | 683 rpm | 0.042 kg·cm | 0.386 kg·cm |
| 50:1 | 460 rpm | 410 rpm | 0.060 kg·cm | 0.552 kg·cm |
| 100:1 | 230 rpm | 205 rpm | 0.120 kg·cm | 1.104 kg·cm |
| 150:1 | 153 rpm | 137 rpm | 0.150 kg·cm | 1.380 kg·cm |
| 210:1 | 110 rpm | 98 rpm | 0.210 kg·cm | 1.932 kg·cm |
| 250:1 | 92 rpm | 82 rpm | 0.250 kg·cm | 2.300 kg·cm |
| 298:1 | 77 rpm | 69 rpm | 0.298 kg·cm | 2.742 kg·cm |
| 330:1 | 70 rpm | 62 rpm | 0.330 kg·cm | 3.036 kg·cm |
Technical 2D Drawing And Mechanical Dimensions
The engineering outline drawing below outlines the exact mounting interfaces, shaft configurations, and overall dimensions for the KC-GM12-N20-06350-12.0V drive unit. Mechanical engineers can reference these specifications to ensure accurate spatial integration into target assemblies.

Related Product Series And Engineering Keywords
Explore our comprehensive range of high-performance components, including the standard n20 dc gear motor, specialized n20 micro motor variants, robust n20 micro gear motor solutions, and efficient 12v small dc motor products designed for global industrial and commercial applications.






