This small size 28mm NEMA 11 hollow shaft closed-loop stepper motor has a body length 32.8mm with 1.0A rated current & holding torque 0.07Nm/9.94oz.in. A hollow shaft with outer diameter Φ5.0mm & inner diameter Φ2.5mm is available and also a double shaft with the front shaft length 16mm and rear shaft length 7.4mm is designed.
Electrical Specification
- Part Number: 28HS32-1004HE
- Step Angle: 1.8deg
- Bi/Unipolar: Bipolar
- Holding Torque: 0.07Nm(9.94oz.in)
- Rated Current/phase: 1.0A
- Phase Resistance: 2.1ohms
- Inductance: 1.5mH
- Driving Voltage: 12-24VDC
Physical Specification
- Frame Size: 28x28mm
- Body Length: 47.4mm
- Outer Shaft Diameter: Φ8.0mm
- Inner Shaft Diameter: Φ3.7mm
- Front Shaft Length: 16.0mm
- Rear Shaft Length: 7.4mm
- Number of Leads: 4
- Lead Length: 300mm
Encoder Specification
- Encoder Type: Incremental
- Encoder Resolution: 2500CPR
- Encoder Signal Channels: 3
- No. of Leads: 8
- Lead Length: 300mm
- Supply Voltage: 5.0V
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| Motor Specification | |
| Step Angle(°) | 1.8 |
| Bipolar/Unipolar | Bipolar |
| Holding Torque(Nm) | 0.07 |
| Holding Torque(oz.in) | 9.94 |
| Rated Current(A) | 1.0 |
| Frame Size(mm) | 28x28 |
| Body Length(mm) | 32.8 |
| Front Shaft Length(mm) | 16.0 |
| Rear Shaft Length(mm) | 7.4 |
| Driving Voltage(VDC) | 12-24 |
| Encoder Specification | |
| Encoder Resolution(CPR) | 2500 |
| Encoder Type | Incremental |
| Supply Voltage(VDC) | 5.0 |
