This small size 28mm NEMA 11 hollow shaft stepper motor has a body length 51mm with 1.0A rated current & holding torque 0.14Nm/19.88oz.in. A hollow shaft with outer diameter Φ8.0mm & inner diameter Φ4.2mm is available and also a double shaft with a front shaft length 14mm and rear shaft length 7mm is designed.
Electrical Specification
- Part Number: 28HS51-1004HC1
- Step Angle: 1.8deg
- Bi/Unipolar: Bipolar
- Holding Torque: 0.14Nm/19.88oz.in
- Rated Current/phase: 1.0A
- Phase Resistance: 5.5ohms
- Inductance: 7.0mH
- Driving Voltage: 12-24VDC
Physical Specification
- Frame Size: 28x28mm
- Body Length: 51mm
- Outer Shaft Diameter: Φ8.0mm
- Inner Shaft Diameter: Φ4.2mm
- Front Shaft Length: 14mm
- Rear Shaft Length: 7mm
- Number of Leads: 4
- Lead Length: 500mm
- Weight: 0.2kg
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| Electrical Specification | |
| Bipolar/Unipolar | Bipolar |
| Step Angle(°) | 1.8 |
| Holding Torque(Nm) | 0.14 |
| Holding Torque(oz.in) | 19.88 |
| Rated Current(A) | 1.0 |
| Driving Voltage(VDC) | 12-24 |
| Physical Specification | |
| Frame Size(mm) | 28x28 |
| Body Length(mm) | 51 |
| Inner Shaft Diameter(mm) | 4.2 |
| Outer Shaft Diameter(mm) | 8.0 |
| Front Shaft Length(mm) | 14 |
| Rear Shaft Length(mm) | 7 |
| No. of Leads | 4 |
| Lead Length(mm) | 500 |
| Weight(KG) | 0.2 |
