This nema 23 stepper motor has 76mm body and 2.8A rated current, integrated with one worm speed reducer. The available gear ratios have: 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 70, 80.
Motor Specification
P/N: 57HS76-2804S-WG5
Step Angle: 1.8deg
Bi/Unipolar: Bipolar
Holding Torque: 1.9Nm(269oz.in)
Rated Current/phase: 2.8A
Phase Resistance: 1.13ohms
Inductance: 5.4mH
Frame Size: 57x57mm
Motor Length: 76mm
Number of Leads: 4
Lead Length: 500mm
Gearbox Specification
Gearbox Type: Worm
Gear Ratio: 5:1
Efficiency: 85%
Backlash at No-load: <=1°
Maximum Moment Torque: 18Nm
Output Type: Single Shaft Output
Output Shaft Diameter: Φ14mm
Output Shaft Length: 32mm
Motor Connection
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| Motor Specification | |
| Step Angle(°) | 1.8 |
| Bipolar/Unipolar | Bipolar |
| Holding Torque(Nm) | 1.9 |
| Holding Torque(oz.in) | 269 |
| Rated Current(A) | 2.8 |
| Frame Size(mm) | 57x57 |
| Body Length(mm) | 76 |
| Gearbox Specification | |
| Gearbox Type | Planetary |
| Gear Ratio | 5:1 |
| Efficiency | 85% |
| Backlash at No-load | 1deg |
| Gearbox Length(mm) | 80.5 |
| Shaft Diameter(mm) | 14 |
| Shaft Length(mm) | 32 |
