12mm Metal Gear Motor Model NFP-GM12-N20K-EN
$14.50
Upgrade your projects with the adaptable 12mm metal gear motor with encoder. With a no-load speed of 20rpm to 2,200rpm, it meets diverse demands.
Spur DC Geared Motor with Encoder Datasheet
First, this 12mm N20 metal gear motor with encoder supports 3V, 6V, and 12V DC input options. Also, it is a good choice for small machines, robotics, automation, and repair projects that need compact size, speed feedback, and stable output.
In addition, the motor uses a spur gearbox and Hall encoder feedback. Therefore, users can match speed, torque, and pulse output more easily in compact control systems.
Main Product Features
- First, encoder feedback: The motor uses a 3PPR base pulse count with AB dual-phase Hall output.
- In addition, compact shaft: The output shaft diameter is 3mm, with 10mm shaft length.
- Also, reversible rotation: The motor supports clockwise and counterclockwise rotation.
- Next, ratio options: Multiple gear ratios are available from 10:1 to 380:1.
- Finally, metal gearbox: The spur gearbox supports stable torque output in small machines.
General Motor Data
Next, the table below gives the main motor data first. In addition, it helps users check the shaft size, voltage range, speed range, current, rotation, and weight before choosing a detailed ratio.
| Motor Model | NFP-GM12-N20K-EN |
|---|---|
| Shaft Diameter | 3mm |
| Shaft Length | 10mm |
| Rated Voltage | 3V / 6V / 12V DC |
| No Load Speed | 20rpm – 2,200rpm |
| No Load Current | ≤0.045A / ≤0.06A |
| Rotation | CW / CCW |
| Weight | appr. 13g |
In short, this motor gives several voltage and speed choices in one small frame. Also, the encoder makes it easier to read speed and position feedback in control systems.
Model: NFP-GM12-N20K-EN, 3V DC, A06 Type
First, the 3V DC A06 type is useful for low-voltage battery systems. Also, the table below shows how each ratio changes the no-load speed, rated speed, torque, current, and pulse output.
| Ratio | After Reduction Output Pulses | No-load Current | No-load Speed | Rated Current | Rated Speed | Rated Torque | Stall Current | Stall Torque |
|---|---|---|---|---|---|---|---|---|
| 10:1 | 29.04 | ≤0.045A | 780rpm | ≤0.1A | 450rpm | 0.03kg.cm | 0.3A | 0.08kg.cm |
| 20:1 | 38.71 | ≤0.045A | 400rpm | ≤0.1A | 230rpm | 0.06kg.cm | 0.3A | 0.16kg.cm |
| 30:1 | 88.41 | ≤0.045A | 265rpm | ≤0.1A | 150rpm | 0.1kg.cm | 0.3A | 0.23kg.cm |
| 50:1 | 153.3 | ≤0.045A | 155rpm | ≤0.1A | 90rpm | 0.17kg.cm | 0.3A | 0.4kg.cm |
| 100:1 | 297.9 | ≤0.045A | 77rpm | ≤0.1A | 45rpm | 0.35kg.cm | 0.3A | 0.75kg.cm |
| 150:1 | 452.87 | ≤0.045A | 52rpm | ≤0.1A | 30rpm | 0.5kg.cm | 0.3A | 1.1kg.cm |
| 210:1 | 629.27 | ≤0.045A | 37rpm | ≤0.1A | 21rpm | 0.7kg.cm | 0.3A | 1.5kg.cm |
| 298:1 | 893.7 | ≤0.045A | 26rpm | ≤0.1A | 15rpm | 1.0kg.cm | 0.3A | 2.8kg.cm |
| 380:1 | 1,137.47 | ≤0.045A | 20rpm | ≤0.1A | 12rpm | 1.2kg.cm | 0.3A | 3.5kg.cm |
Note: All reduced no-load speeds have a tolerance of ±15%.
As a result, lower ratios give higher speed, while higher ratios give more torque. Therefore, users can select the ratio based on load, speed, and control needs.
Model: NFP-GM12-N20K-EN, 6V DC, A06 Type
Next, the 6V DC A06 type gives higher speed and torque than the 3V option. Also, it keeps the same compact motor size for easy mounting in small equipment.
| Ratio | After Reduction Output Pulses | No-load Current | No-load Speed | Rated Current | Rated Speed | Rated Torque | Stall Current | Stall Torque |
|---|---|---|---|---|---|---|---|---|
| 10:1 | 29.04 | ≤0.06A | 1,550rpm | ≤0.17A | 900rpm | 0.07kg.cm | 0.6A | 0.16kg.cm |
| 20:1 | 38.71 | ≤0.06A | 800rpm | ≤0.17A | 460rpm | 0.14kg.cm | 0.6A | 0.3kg.cm |
| 30:1 | 88.41 | ≤0.06A | 530rpm | ≤0.17A | 300rpm | 0.2kg.cm | 0.6A | 0.5kg.cm |
| 50:1 | 153.3 | ≤0.06A | 310rpm | ≤0.17A | 180rpm | 0.35kg.cm | 0.6A | 0.8kg.cm |
| 100:1 | 297.9 | ≤0.06A | 155rpm | ≤0.17A | 90rpm | 0.7kg.cm | 0.6A | 1.5kg.cm |
| 150:1 | 452.87 | ≤0.06A | 105rpm | ≤0.17A | 60rpm | 1.0kg.cm | 0.6A | 2.2kg.cm |
| 210:1 | 629.27 | ≤0.06A | 75rpm | ≤0.17A | 42rpm | 1.4kg.cm | 0.6A | 2.8kg.cm |
| 298:1 | 893.7 | ≤0.06A | 52rpm | ≤0.17A | 30rpm | 2.0kg.cm | 0.6A | 3.0kg.cm |
| 380:1 | 1,137.47 | ≤0.06A | 41rpm | ≤0.17A | 24rpm | 2.5kg.cm | 0.6A | 4.0kg.cm |
Note: All reduced no-load speeds have a tolerance of ±15%.
Furthermore, this 6V A06 version is a balanced choice for many small drive systems. For example, it can help when the design needs more torque than 3V but still needs low current.
Model: NFP-GM12-N20K-EN, 6V DC, A12 Type
In addition, the 6V DC A12 type gives another performance range at the same voltage. Also, it is useful when a project needs lower current and a different speed curve.
| Ratio | After Reduction Output Pulses | No-load Current | No-load Speed | Rated Current | Rated Speed | Rated Torque | Stall Current | Stall Torque |
|---|---|---|---|---|---|---|---|---|
| 10:1 | 29.04 | ≤0.045A | 1,100rpm | ≤0.1A | 700rpm | 0.05kg.cm | 0.2A | 0.07kg.cm |
| 20:1 | 38.71 | ≤0.045A | 500rpm | ≤0.1A | 350rpm | 0.09kg.cm | 0.2A | 0.12kg.cm |
| 30:1 | 88.41 | ≤0.045A | 330rpm | ≤0.1A | 200rpm | 0.12kg.cm | 0.2A | 0.2kg.cm |
| 50:1 | 153.3 | ≤0.045A | 200rpm | ≤0.1A | 120rpm | 0.2kg.cm | 0.2A | 0.32kg.cm |
| 100:1 | 297.9 | ≤0.045A | 100rpm | ≤0.1A | 65rpm | 0.4kg.cm | 0.2A | 0.7kg.cm |
| 150:1 | 452.87 | ≤0.045A | 65rpm | ≤0.1A | 45rpm | 0.6kg.cm | 0.2A | 0.9kg.cm |
| 210:1 | 629.27 | ≤0.045A | 47rpm | ≤0.1A | 30rpm | 0.8kg.cm | 0.2A | 1.2kg.cm |
| 298:1 | 893.7 | ≤0.045A | 33rpm | ≤0.1A | 20rpm | 1.15kg.cm | 0.2A | 1.5kg.cm |
| 380:1 | 1,137.47 | ≤0.045A | 26rpm | ≤0.1A | 17rpm | 1.5kg.cm | 0.2A | 2.0kg.cm |
Note: All reduced no-load speeds have a tolerance of ±15%.
Similarly, the ratio choice changes both speed and torque. Therefore, this table can help users compare the A06 and A12 types before placing an order.
Model: NFP-GM12-N20K-EN, 12V DC, A12 Type
Moreover, the 12V DC A12 type provides the highest no-load speed range in this product group. Also, it works well for projects that need fast output from a small metal gear motor.
| Ratio | After Reduction Output Pulses | No-load Current | No-load Speed | Rated Current | Rated Speed | Rated Torque | Stall Current | Stall Torque |
|---|---|---|---|---|---|---|---|---|
| 10:1 | 29.04 | ≤0.06A | 2,200rpm | ≤0.22A | 1,000rpm | 0.1kg.cm | 0.4A | 0.15kg.cm |
| 20:1 | 38.71 | ≤0.06A | 1,100rpm | ≤0.22A | 500rpm | 0.15kg.cm | 0.4A | 0.28kg.cm |
| 30:1 | 88.41 | ≤0.06A | 730rpm | ≤0.22A | 380rpm | 0.2kg.cm | 0.4A | 0.4kg.cm |
| 50:1 | 153.3 | ≤0.06A | 440rpm | ≤0.22A | 230rpm | 0.4kg.cm | 0.4A | 0.65kg.cm |
| 100:1 | 297.9 | ≤0.06A | 220rpm | ≤0.22A | 130rpm | 0.8kg.cm | 0.4A | 1.3kg.cm |
| 150:1 | 452.87 | ≤0.06A | 145rpm | ≤0.22A | 85rpm | 1.2kg.cm | 0.4A | 1.9kg.cm |
| 210:1 | 629.27 | ≤0.06A | 105rpm | ≤0.22A | 60rpm | 1.6kg.cm | 0.4A | 2.5kg.cm |
| 298:1 | 893.7 | ≤0.06A | 73rpm | ≤0.22A | 42rpm | 2.3kg.cm | 0.4A | 3.0kg.cm |
| 380:1 | 1,137.47 | ≤0.06A | 58rpm | ≤0.22A | 34rpm | 3.0kg.cm | 0.4A | 4.0kg.cm |
Note: All reduced no-load speeds have a tolerance of ±15%.
In conclusion, the 12V A12 type is suitable when the design needs more speed from a small motor. However, users should still check load, current, and torque before final use.
All Metal N20 Gear Motor Dimension
First, this miniature gear motor uses a tough metal gearbox for long service life. Also, the compact body and 3mm shaft make it easy to install in small devices, test tools, and automation parts.
In addition, the dimension drawing below shows the motor size, shaft length, encoder area, and wiring layout. Therefore, it can help engineers check space, mounting direction, and cable position before design work.
Dimension Drawing and Design Benefits
- First, all-metal gearbox: The gearbox helps improve wear resistance and durability.
- In addition, compact body: The 12mm N20 size fits small product spaces.
- Also, encoder area: The drawing helps users check the feedback module size.
- Next, shaft layout: The 3mm x 10mm shaft supports compact mechanical connection.
- Finally, cable planning: The drawing helps users review wire direction before installation.
Small Gear Motor with Hall Encoder Wiring Diagram
Next, this N20 geared motor can replace damaged or worn DC geared motors in many small machines. Also, its Hall encoder gives feedback for simple speed control and position reading.
For example, the wiring diagram below shows the standard connection method for the motor and encoder. As a result, users can connect the motor to an MCU or controller more easily.
Encoder Specifications
Furthermore, the table below lists the encoder details. In addition, it shows the supply voltage, signal type, pulse count, and connector type for quick electrical checks.
| Encoder Type | AB Dual-phase Incremental Magnetic Hall Encoder |
|---|---|
| Line Speed | Basic Pulse 3PPR x Gear Reduction Ratio |
| Supply Voltage | 3.3V / 5.0V DC |
| Basic Function | Built-in Pull-up Shaping Resistor, Direct Connection to MCU |
| Interface Type | ZH1.5-6PIN (Standard Connection Cable) |
| Output Signal Type | Square Wave AB Phase |
| Response Frequency | 100KHz |
| Base Pulse Count | 3 PPR |
| Magnetic Ring Trigger Pole Number | 6 Poles (3 Pairs) |
In short, the encoder supports AB phase square wave output and direct MCU connection. Therefore, this motor is a practical choice for small robots, meters, locks, and other compact control systems.
Typical Applications
- Small machines
- Robotics
- Automation systems
- Repair projects
- Small locks
- Meters
- Compact control systems
- Speed feedback drive modules
Finally, the NFP-GM12-N20K-EN spur DC geared motor with encoder is a good fit for products that need 3V, 6V, or 12V DC power, metal gearbox output, 3PPR Hall encoder feedback, compact size, and reliable speed control.
Keywords: N20 reduction motor, micro metal gearmotor, n20 small geared motor, reduction electric motor, reduction motor spur gearbox
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Shipping:
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FAQ
Q: If customized, what information should you provide?
A: You need to provide the basic specification of the motor, such as: Dimensions, Sizes Applications, Voltage, Speed and Torque. It’s better to offer application prototype drawings to us if possible.
Q: What’s your main motors?
A: Diameter 4mm~42mm Dc Micro Motor And Gear Motor, Auto Dc Motor, Electric Motor, Gear Motor, Mini Dc Motor, Brush Dc Motor, Brushless Dc Motor, Spur Gear Motor, Micro Motor, Vibration Motor Etc.
Q: What’s the main application of the micro dc motor?
A: Our mini DC motors are widely used in Home Applications, Office Equipment, Health-Care Application, Sanitation Industry, High-Class Toy, Banking System, Electronic and Electrical Tools, Automation Industry, Bank Equipments, Payment Equipments, Vending Machines, Power Door Lock, Electric Door Lock.
Faith Burgess –
This motor is small and has strong torque. Works perfectly on small pan/tilt camera mounts. Metal gears feel sturdy. Ran it for hours with no noticeable wear.
Joanna Riggs –
I built a visual effects tool with this 6V metal gear motor that has enough torque to drive it properly. These little guys aren’t cheap, but they perform very well. Very pleased with its solid performance.😇