This big size 57mm NEMA 23 hollow shaft stepper motor has a body length 56mm with 2.8A rated current & holding torque 1.2Nm/170.4oz.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 20mm and rear shaft length 10mm is designed.
Electrical Specification
- Part Number: 57HS56-3004H12S
- Step Angle: 1.8deg
- Bi/Unipolar: Bipolar
- Holding Torque: 1.2Nm(170oz.in)
- Rated Current/Phase: 0.8A
- Phase Resistance: 0.9ohms
- Inductance: 2.5mH
- Driving Voltage: 24-72V
Physical Specification
- Frame Size: 57x57mm
- Body Length: 56mm
- Outer Shaft Diameter: Φ4.2mm
- Inner Shaft Diameter: Φ8.0mm
- Front Shaft Length: 20mm
- Rear Shaft Length: 20mm
- Number of Leads: 4
- Lead Length: 2000mm
- Weight: 0.7kg
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| Electrical Specification | |
| Bipolar/Unipolar | Bipolar |
| Step Angle(°) | 1.8 |
| Holding Torque(Nm) | 1.2 |
| Holding Torque(oz.in) | 170.4 |
| Rated Current(A) | 2.8 |
| Driving Voltage(VDC) | 24-72 |
| Physical Specification | |
| Frame Size(mm) | 57x57 |
| Body Length(mm) | 56 |
| Inner Shaft Diameter(mm) | 4.2 |
| Outer Shaft Diameter(mm) | 8.0 |
| Front Shaft Length(mm) | 20 |
| Rear Shaft Length(mm) | 10 |
| No. of Leads | 4 |
| Lead Length(mm) | 2000 |
| Weight(KG) | 0.7 |
