https://mao.ecer.com/test/masingmotor.com/sale-51582438-geared-brushed-motor-reducer-gearbox-12mm-n20-n30-dc-motor-for-locks-and-robots.htmlMeta Description: Looking for a reliable 12mm N20 micro DC gear motor supplier, Explore high-torque 6V & 12V N20 spur gear motors designed for smart locks, medical devices, and robotics. Custom engineering available.
In the era of dynamic miniaturization, design engineers across Europe and North America face a continuous challenge: How do you deliver precise, high-torque motion in tight mechanical spaces?
Whether you are designing next-generation smart home security, medical auto-injectors, or autonomous service robots, power density is key. Enter the MS-GM12-N20 Micro DC Spur Gear Motor series — a compact, highly efficient, and ultra-reliable precision motion solution optimized for modern industrial and commercial applications.
The MS-GM12-N20 series integrates a high-efficiency DC motor with a precision-machined 12mm spur gearbox, offering exceptional torque-to-size ratio, low noise, and stable current draw.
Below is the performance data for our standard models (6V & 12V configurations):
| Technical Parameter | Model 1: MS-GN20-06360A-50 | Model 2: MS-GN20-1000-0605 |
| Rated Voltage | 12V DC | 6V DC |
| No-Load Speed | 320 RPM ± 10% | 5 RPM ± 10% |
| No-Load Current | ≤0.04A | ≤0.02A |
| On-Load Speed | 280 RPM ± 10% | 4 RPM ± 10% |
| On-Load Current | ≤0.12A | ≤0.05A |
| On-Load Torque | 9.8mN.m | 107.8mN.m |
| Stall Torque | ≥68.6mN.m | ≥323.4mN.m |
| Stall Current | ≤0.46A | ≤0.12A |
| Max Efficiency | 41.84% | 36.62% |
| Rotation Direction | CW / CCW | CW / CCW |
| Shaft Diameter | φ3 | φ3 |
| Dimensions | 24*12*10mm | 24*12*10mm |
Note: Full performance curves (Torque vs. Speed, Current, and Efficiency) are available in our downloadable datasheets.
Motor Body Length: 24mm
Cross-Section: 12*10mm
Shaft Length: 4mm
Shaft Profile:φ3*D2
The standard mounting holes and compact rectangular cross-section ensure seamless integration into existing $12\text{mm}$ motor housings without requiring expensive tool redesigns.
The versatility of the N20 micro gearhead motor makes it an essential component across diverse industries throughout Western markets:
Smart Lock & Access Control Systems:
Applications: Fingerprint locks, Bluetooth door handles, express parcel lockers, shared bicycle locks, parking space barriers, and EV charging gun locking mechanisms.
Why N20? Delivers instantaneous high stall torque to actuate locking bolts reliably under low power consumption.
Smart Home & Consumer Electronics:
Applications: Automated air switches, 3D printing pens, smart kitchen appliances, motorized window blinds.
Medical & Healthcare Automation:
Applications: Smart syringe pumps, medical dosage delivery devices, automated diagnostic tools.
Why N20? Predictable, step-free rotational accuracy and minimal electrical noise.
Robotics & Industrial Automation:
Applications: Service robots, sweeping/vacuum robots, educational STEM robotics, dexterous robotic hands, and mechanical grippers.
We understand that standard off-the-shelf motors don't always fit unique engineering constraints. As an experienced motor designer and manufacturer, we offer complete non-standard custom modifications:
Custom Shaft Modifications: D-shaft lengths, knurling, cross-drilled holes, or threaded lead screws.
Voltage & Speed Tuning: Custom windings for $3\text{V}$, $6\text{V}$, $9\text{V}$, or $12\text{V}$ operation targeting specific output RPM.
Gear Ratios: Tailored gear reduction ratios to maximize torque output or high-speed response.
Connectors & Cable Assemblies: Pre-wired terminal leads, JST/Molex connectors, and integrated PCB mounting options.
Strict Quality Control: Every batch undergoes dynamic performance testing, power consumption checks, and torque margin testing.
Fast Sample Turnaround: Rapid prototyping to support your design iteration cycles.
Global Supply Chain Support: Full compliance with Western export standards (RoHS, CE) with reliable lead times.