6V 12mm N20-90 High Power Micro Brushed DC Metal Gear Motor
N20-90 brushed DC metal gear motors with stainless steel gears available in a wide range of gear ratios for electronic lock applications and precision machinery.
Technical Features
- High Power version with 1.6A stall current
- 12CPR without encoder option
- Available with or without back shaft
- Choice of metal brush or carbon brush
FOR EXAMPLE: N20H100 (6V 100:1 TEST CURVE)

Technical Parameters
| Model |
Voltage (VDC) |
No Load Speed (rpm) |
No Load Current (mA) |
Stall Torque (kg.cm) |
Gear Ratio |
| N20H41 |
6V/12V |
730 rpm |
120/60mA |
0.82kg.cm |
41:1 |
| N20H82 |
6V/12V |
365 rpm |
120/60mA |
1.64 kg.cm |
82:1 |
| N20H95 |
6V/12V |
316 rpm |
120/60mA |
1.9 kg.cm |
95:1 |
| N20H190 |
6V/12V |
158 rpm |
120/60mA |
3.8 kg.cm |
190:1 |
| N20H219 |
6V/12V |
137 rpm |
120/60mA |
4.38 kg.cm |
219:1 |
| N20H438 |
6V/12V |
68 rpm |
120/60mA |
8.76kg.cm |
438:1 |
| N20H504 |
6V/12V |
60 rpm |
120/60mA |
10.08 kg.cm |
504:1 |
| N20H1007 |
6V/12V |
30 rpm |
120/60mA |
20.14 kg.cm |
1007:1 |
Product Specifications
Speed: 30~730 RPM
Continuous Current: 0.4A MAX
Efficiency: IE 2
Warranty: 3 months - 1 year
Place of Origin: Guangdong, China
Brand Name: XINHE MOTOR
Model Number: N20H-90
Stall Torque: 20kg.cm max
Construction: Permanent Magnet
Commutation: Brush
Protect Feature: Drip-proof
Gear Rate: 41:1 TO 1007:1
Long Life: 200 Hours
Gear Material: Powder Metallurgy
Encoder: 12CPR
Bracket: Copper
Noise: Less than 20dB
Certification: RoHS, CE
Product Drawings
Applications
This type of gearbox motor is mainly used in electronic locks, robots, cameras and small machinery.
Common Application Scenarios
• Intelligent door locks, electronic lock bodies
• Intelligent curtains, electric curtain tracks
• Smart toilet, automatic bathroom lid closing
• Shared charging stations, automatic devices
• Electric toothbrushes, beauty devices
• Camera pan-tilt, auto-focus mechanisms
• Robots, small mechanical arms
• Automotive electronics: mirrors, seat adjustment
• Smart Home: window openers, pet feeders
• Security equipment: surveillance cameras
• Financial equipment: printers, card dispensers
• Electronic toys, remote-controlled vehicles
• Medical equipment: pumps, analyzers
• Office equipment: printers, scanners
• Electronic devices
• Intelligence development robot, intelligent toy
Our Services
- ODM & OEM services
- Gearbox design and development
- Related technology support
Packaging & Shipping
Packed in nylon first, then carton, and reinforced with wooden case for outer packing. Custom packaging available according to client requirements. Samples shipped within 10 days. Batch order lead time varies according to actual situation.
Factory Introduction
SHENZHEN XINHE MOTOR Co., Ltd, located in Shenzhen city, is a specialized factory producing AC/DC motors for various applications including kitchen appliances, air flow products, air conditioners, water heaters, pumps, power tools, robots, 3D printers, medical products, smart wear, electrical toys, and household appliances.
With over 16 years of experience working with major brands, we understand what matters to you and your consumers across various industries. Our management philosophy emphasizes humanistic values and supreme credibility, while our quality consciousness drives us to strive for perfection.
We offer comprehensive motion solutions including powerful DC brushed and brushless motors, supported by experienced engineers and extensive application expertise. Our products are successfully sold in more than 20 countries worldwide.
We provide complete professional solutions including superior customer service, reliable high-quality products, innovative design, wide product range, competitive prices, and convenient ordering quantities. We are fully compliant with EU & America restrictions and regulations including CE standards, RoHS, child safety, environmental safety, and social responsibility.
Our company comprehensively promotes ISO9001:2001 management systems and supplies motors to many famous worldwide companies with top brands across Europe, America, Middle East, East Asia, and South America markets.
Testing and Experimental Equipment
Frequently Asked Questions
Q1. What about the payment way?
A1. By TT at sight or trade assurance. 30% down payment after contract validation, 70% balance before shipment.
Q2. How long is the guarantee?
A2. We offer high quality motors with 12 months guarantee and reply within 5 hours.
Q3. If the motor parts are broken, how can we get help?
A3. We send spare parts free of charge if under warranty (excluding easy-broken parts). For easy-broken parts, we charge only cost fee.
Q4. How does your factory handle quality control?
A4. We have CE certificate and special QC department. We can help apply for other certificates as needed.
Q5. What is your packaging?
A5. After anti-rust treatment, wrap in plastic film and fix motor on wooden bracket.
Q6. How can we check the motor before delivery?
A6. We provide online checking during testing, detailed testing videos, accept third-party testing, and provide comprehensive testing reports.