This is bipolar nema 11 stepper motor with step angle 1.8deg and size 28x28x52mm. It has 4 wires with flexible harness cable, each phase draws 1A rated current with holding torque 0.12Nm(17oz.in). A length of 13.5mm rear shaft is available.
Electrical Specification
Part Number: 28HP51-1004D
Step Angle: 1.8deg
Bipolar/Unipolar: Bipolar
Holding Torque: 0.12m(17oz.in)
Rated Current/phase: 1.0A
Phase Resistance: 4.1ohms
Inductance: 4.0mH
Driving Voltage: 12-24VDC
Physical Specification
Frame Size: 28x28mm
Body Length: 52mm
Shaft Shape: D-cut
Shaft Diameter: Φ5mm
Front Shaft Length: 20mm
D-cut Length: 15mm
Rear Shaft Length: 13.5mm
D-cut Length: 13.5mm
Number of Leads: 4
Lead Length: 500mm
Weight: 200g
Motor Connection
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| Electrical Specification | |
| Bipolar/Unipolar | Bipolar |
| Step Angle(°) | 1.8 |
| Holding Torque(Nm) | 0.12 |
| Holding Torque(oz.in) | 17.0 |
| Rated Current(A) | 1.0 |
| Phase Resistance(ohm) | 4.1 |
| Phase Inductance(mH) | 4.0 |
| Physical Specification | |
| Frame Size(mm) | 28x28 |
| Body Length(mm) | 52 |
| Single Shaft/Dual Shaft | Dual Shaft |
| Front Shaft Diameter(mm) | 5 |
| Front Shaft Length(mm) | 20 |
| Rear Shaft Diameter(mm) | 5 |
| Rear Shaft Length(mm) | 13.5 |
| No. of Leads | 4 |
| Lead Length(mm) | 500 |
| Weight(KG) | 0.2 |
