| Technical Specifications | 2S57Q-25B2 |
|---|---|
| Step angle | 1.8° |
| Series Phase current (A) | 2.9 |
| Parallel Phase current (A) | 6.0 |
| Holding torque (Nm) | 2.5 |
| Damping torque (Nm) | 0.12 |
| Winding resistance (Ω) | 1±10% |
| Winding inductance (mH) | 1.8±20% |
| Motor inertia (kg.cm2) | 0.8 |
| Motor length L (mm) | 112 |
| Shaft diameter (mm) | 8 |
| Number of lead wires | 8 |
| Insulation class | B |
| Withstand voltage level | 500VAC for 1 minute |
| Max. axial load (N) | 15 |
| Max. radial load (N) | 75 |
| Operating temperature | -20℃～+50℃ |
| Surface temperature rise | Max.80℃(Both phase connected with rated current) |
| Insulation impedance | Minimum 100MΩ, 500V DC |
| Weight (kg) | 1.7 |
Note: The startup freq. is tested under condition of 2000 steps/round, only for reference.
