12V High Precision 20mm 0.9°/Step D-Shaft Stepper Gear Motor – Model KC-GM20-20BY
Applications: Precision automation, CNC engravers, 3D printers, medical infusion pumps, surgical robots, lab automation, PTZ security cameras, smart locks, access control systems, educational robotics, AGV navigation, smart curtains, 3D scanners, valve control, camera positioning systems.
Inquiry Now12V Stepper Motor Technical Specifications
| Parameter | Specification |
|---|---|
| Rated Voltage | 12 V DC |
| Current Per Phase | 500 mA ref./phase (800 PPS) |
| Coil Resistance | 20 ± 10% ohm/phase (25 °C) |
| Number of Phases | 2 phases |
| Step Angle | 18°/step |
| Excitation Method | 2-2 phase excitation |
| Drive Mode | Bipolar drive |
| Pull-out Thrust | More than 1500 g at 800 pps |
| Max Response Frequency | More than 1000 pps |
| Max Starting Frequency | More than 800 pps |
| Insulation Class | Class E for coils |
| Insulation Strength | 100 V AC for one second |
| Insulation Resistance | 50 MΩ at 500 V DC |
| Operating Temperature Range | 0 °C to +55 °C |
Geared Stepper Motor KC-GM20-20BY J2520-N Data Table
* At 800 PPS
| Gear Ratio | Stage | Gearbox Length | Step Angle | Pull-out Torque | Speed |
|---|---|---|---|---|---|
| 20:1 | 4 | 15.8 mm | 0.90°/step | 0.78 kg·cm | 120.00 rpm |
| 349:1 | 7 | 20.3 mm | 0.05°/step | 6.806 kg·cm | 6.90 rpm |
KC-GM20-20BY D-Type Shaft Outline Dimensions – Mechanical Drawing (mm)
Dimensional specifications for integration | All values in millimeters
Custom Motor Performance Advantages
- High torque output: Achieve over 1500 g thrust at 800 pps for superior load handling
- Fast response: Max response frequency over 1000 pps ensures precise and quick positioning
- Stable operation: 2-phase bipolar drive delivers consistent performance across temperature ranges
- Reliable insulation: Class E insulation and 50 MΩ resistance guarantee safe long-term operation
- Multiple gear ratios: 20:1 to 349:1 gear options deliver 0.78–6.806 kg·cm torque for diverse applications
- Precise stepping: 0.05° to 0.90° step angles enable ultra-fine positioning control
- Customizable parameters: Adjust voltage, current, step angle and gear ratio to match exact application requirements
Key Search Terms
12 V DC stepper motor | 2-phase bipolar stepper motor | 18°/step step angle | High thrust stepper motor | 800 pps stepper motor | Class E insulation motor | Custom stepper motor parameters | Industrial stepper motor specifications | Geared stepper motor | KC-GM20-20BY J2520-N | 20:1 to 349:1 gear ratio motor | 0.78–6.806 kg·cm torque motor | Precision stepper motor | Outline dimensions D-type shaft