This NEMA 8 geared reduction stepper motor has a 28mm body length and 0.5A rated current and is integrated with one planetary gearbox of 90.25:1 gear ratio, which generates a strong holding torque otuput upto 1.8Nm/255.6oz-in & a very low speed 0-10rpm. It's an ideal solution to the applications that require limited space but low speed and high torque.
Motor Specification
- Manufacturer Part Number: 20HS28-0504A-AG90
- Step Angle: 1.8deg without gearbox
- Bipolar/Unipolar: Bipolar
- Holding Torque: 0.02Nm(2.8oz.in)without gearbox
- Rated Current/phase: 0.5A
- Frame Size: 20x20mm
- Motor Length: 28mm
- Number of Leads: 4
- Lead Length: 300mm
Gearbox Specification
- Gearbox Type: Planetary
- Gear Ratio: 90.25:1
- Efficiency: 70%
- Backlash at No-load: <=2.0deg
- Rated Torque: 0.9Nm/127.8oz-in
- Maximun Torque: 2.0Nm/284oz-in
- Gearbox Length: 31.2mm
- Shaft Diameter: Φ6mm
- Shaft Length: 15mm
- D-cut Length: 9mm
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| Motor Specification | |
| Step Angle(°) | 1.8 |
| Bipolar/Unipolar | Bipolar |
| Holding Torque(Nm) | 0.02 |
| Holding Torque(oz.in) | 2.84 |
| Rated Current(A) | 0.5 |
| Frame Size(mm) | 20x20 |
| Body Length(mm) | 28 |
| Gearbox Specification | |
| Gearbox Type | Planetary |
| Gear Ratio | 90:1 |
| Efficiency | 70% |
| Backlash at No-load | 2deg |
| Gearbox Length(mm) | 31.2 |
| Shaft Diameter(mm) | 6 |
| Shaft Length(mm) | 15 |
