This is unipolar nema 8 stepper motor with step angle 1.8deg and size 20x20x30mm. It has 6 wires, each phase draws 0.5A with holding torque 0.018Nm(2.5oz.in). Please note this motor has a rouns output shaft with 15.4mm bolt spacing & 16.0mm pilot circile.
Electrical Specification
Part Number: 20HS30-0506S
Step Angle: 1.8deg
Bipolar/Unipolar: Unipolar
Holding Torque: 0.018Nm(2.5oz.in)
Rated Current/phase: 0.5A
Phase Resistance: 11.5ohms
Inductance: 1.7mH
Driving Voltage: 12-24VDC
Physical Specification
Frame Size: 20x20mm
Body Length: 30mm
Shaft Shape: D-cut
Shaft Diameter: Φ4mm
Shaft Length: 10mm
D-cut Length: 7mm
Number of Leads: 6
Lead Length: 300mm
Weight: 80g
Motor Connection
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| Electrical Specification | |
| Bipolar/Unipolar | Unipolar |
| Step Angle(°) | 1.8 |
| Holding Torque(Nm) | 0.018 |
| Rated Current(A) | 0.5 |
| Phase Resistance(ohm) | 11.5 |
| Phase Inductance(mH) | 1.7 |
| Physical Specification | |
| Frame Size(mm) | 20x20 |
| Body Length(mm) | 30 |
| Shaft Type | D-cut |
| Single Shaft/Dual Shaft | Single Shaft |
| Shaft Diameter(mm) | 4 |
| Shaft Length(mm) | 10 |
| No. of Leads | 6 |
| Lead Length(mm) | 300 |
| Weight(KG) | 0.08 |
