This geared Nema 11 stepper motor has 45mm body and 0.67A rated current, integrated with one precision planetary gearbox of gear ratio 9:1. It's a good solution to the applications that require limited space but low speed and high torque.
Motor Specification
Part Number: 28HS45-0674S-HG9
Step Angle: 1.8deg
Bi/Unipolar: Bipolar
Holding Torque: 0.95Nm(13.5oz.in)
Rated Current/phase: 0.67A
Phase Resistance: 6.82ohms
Inductance: 4.9mH
Frame Size: 28x28mm
Motor Length: 45mm
Number of Leads: 4
Lead Length: 500mm
Gearbox Specification
Gearbox Type: Planetary
Gear Ratio: 9:1
Efficiency: 90%
Backlash at No-load: <=25arcmin
Gearbox Length: 36mm
Shaft Diameter: Φ6mm
Shaft Length: 18mm
D-cut Length: 15.5mm
Motor Connection
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| Motor Specification | |
| Step Angle(°) | 1.8 |
| Bipolar/Unipolar | Bipolar |
| Holding Torque(Nm) | 0.095 |
| Holding Torque(oz.in) | 13.5 |
| Rated Current(A) | 0.67 |
| Frame Size(mm) | 28x28 |
| Body Length(mm) | 45 |
| Gearbox Specification | |
| Gearbox Type | Planetary |
| Gear Ratio | 9:1 |
| Efficiency | 90% |
| Backlash at No-load | 25arcmin |
| Gearbox Length(mm) | 36 |
| Shaft Diameter(mm) | 6 |
| Shaft Length(mm) | 18 |
