B25 Series
Major dimensions (with Hall-effect sensor and Temperature sensor)
| B25-25 | B25-51 | B25-76 | B25-102 | B25-127 | B25-152 | |
|---|---|---|---|---|---|---|
| Overall length A (mm) |
80 | 107 | 136 | 168 | 196 | 226 |
| Core dimension B±0.5 (mm) |
26.5 | 51.5 | 77 | 102.5 | 127.5 | 152 |
| Yoke dimension C±0.1 (mm) |
34 | 59 | 84 | 110 | 135 | 160 |
| Motor mass (kg) |
9.3 | 15 | 20 | 26 | 32 | 37 |
Specifications
| B25-25 | B25-51 | B25-76 | B25-102 | B25-127 | B25-152 | |
|---|---|---|---|---|---|---|
| Max. rotation speed N [r/min] |
1,900 | 990 | 670 | 500 | 400 | 340 |
| Rated max. torque T [N・m] |
26.2 | 49 | 71.2 | 92.5 | 112 | 132 |
| Motor constant KM [N・m/√W] |
2.09 | 3.50 | 4.67 | 5.68 | 6.54 | 7.31 |
| Torque constant Kt [N・m/A] |
1.00 | 1.91 | 2.84 | 3.78 | 4.69 | 5.59 |
| Rotor inertia JM [kg・m 2] |
5.0×10-3 | 8.8×10-3 | 13×10-3 | 17×10-3 | 20×10-3 | 24×10-3 |
Running torque curve
Simulation conditions
- *1 The simulation conditions are examples. We perform individual simulations based on the customer's specifications.
- Continuous rated torque is expressed (duty100%).
- Heat radiation condition: Natural heat radiation
- Envrionmental temperature: 40℃
- Winding maximum temperature: Up to 85℃
- *2Rotation detector is not considered.
Formula for calculating torque
√3/2 × torque constant between terminals Kt (N·m/A) × motor current lm [A]
Contact Information
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