This geared NEMA 23 stepper motor has 56mm body and 4A rated current, integrated with one precision planetary gearbox of gear ratio 20:1 & 24v electromagnetic brake.
Motor Specification
Part Number: 57HS56-HG20-B20
Step Angle: 1.8deg
Bi/Unipolar: Bipolar
Holding Torque: 1.2Nm(170oz.in)
Rated Current/phase: 4.0A
Phase Resistance: 0.45ohms
Inductance: 1.4mH
Motor Length: 56mm
Number of Leads: 4
Lead Length: 500mm
Gearbox Specification
Gearbox Type: Planetary
Gear Ratio: 20:1
Efficiency: 92%
Backlash at No-load: 25arcmin
Gearbox Length: 70mm
Shaft Diameter: Φ14mm
Shaft Length: 33.5mm
Keyway length: 25mm
Brake Connection
Brake Type: Electromagnetic
Brake Voltage: 24VDC
Brake Torque: 2.0Nm
Brake Length: 39mm
No. of Leads: 2
Lead Length: 500mm
Motor Connection
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| Motor Specification | |
| Step Angle(°) | 1.8 |
| Bipolar/Unipolar | Bipolar |
| Holding Torque(Nm) | 1.2 |
| Holding Torque(oz.in) | 170 |
| Rated Current(A) | 4.0 |
| Frame Size(mm) | 57x57 |
| Body Length(mm) | 56 |
| Gearbox Specification | |
| Gearbox Type | Planetary |
| Gear Ratio | 20:1 |
| Efficiency | 92% |
| Backlash at No-load | 25arcmin |
| Gearbox Length(mm) | 70 |
| Shaft Diameter(mm) | 14 |
| Shaft Length(mm) | 33.5 |
| Brake Specification | |
| Brake Type | Electromagnetic |
| Brake Voltage(VDC) | 24 |
| Brake Torque(Nm) | 2.0 |
| Brake Length(mm) | 39 |
