This geared nema 8 stepper motor has 38mm body and 0.6A rated current, integrated with one planetary gearbox of 64:1 gear ratio. It's an ideal solution to the applications that require limited space but low speed and high torque.
Motor Specification
P/N: 20HS38-0604S-PG64
Step Angle: 1.8deg
Bipolar/Unipolar: Bipolar
Holding Torque: 0.04Nm(5.7oz.in)
Rated Current/phase: 0.6A
Phase Resistance: 10ohms
Inductance: 5.5mH
Frame Size: 20x20mm
Motor Length: 38mm
Number of Leads: 4
Lead Length: 280mm
Gearbox Specification
Gear Ratio: 64:1
Efficiency: 70%
Backlash at No-load: <=1deg
Rated Torque: 0.9Nm
Maximun Torque: 2.0Nm
Gearbox Length: 31.2mm
Shaft Diameter: Φ6mm
Shaft Length: 15mm
D-cut Length: 9mm
Motor Connection
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| Motor Specification | |
| Step Angle(°) | 1.8 |
| Bipolar/Unipolar | Bipolar |
| Holding Torque(Nm) | 0.04 |
| Holding Torque(oz.in) | 5.7 |
| Rated Current(A) | 0.6 |
| Frame Size(mm) | 20x20 |
| Body Length(mm) | 38 |
| Gearbox Specification | |
| Gearbox Type | Planetary |
| Gear Ratio | 64:1 |
| Efficiency | 70% |
| Backlash at No-load | <=1deg |
| Gearbox Length(mm) | 31.2 |
| Shaft Diameter(mm) | 6 |
| Shaft Length(mm) | 15 |
