B24H Series
Major dimensions (with Hall-effect sensor and Temperature sensor)

B24H-25 | B24H-51 | B24H-76 | B24H-102 | B24H-127 | B24H-152 | |
---|---|---|---|---|---|---|
Overall length A (mm) |
82 | 109 | 136 | 170 | 202 | 227 |
Core dimension B±0.5 (mm) |
26.5 | 51.5 | 77 | 102.5 | 127 | 152 |
Yoke dimension C±0.1 (mm) |
34 | 60 | 84 | 110 | 137 | 160 |
Motor mass (kg) |
9.6 | 16 | 23 | 30 | 36 | 43 |
Specifications
B24H-25 | B24H-51 | B24H-76 | B24H-102 | B24H-127 | B24H-152 | |
---|---|---|---|---|---|---|
Max. rotation speed N [r/min] |
5,800 | 3,200 | 2,100 | 1,500 | 1,200 | 1,000 |
Rated max. torque T [N・m] |
10.1 | 18.3 | 27.4 | 37.5 | 46.6 | 55.4 |
Motor constant KM [N・m/√W] |
1.29 | 2.06 | 2.77 | 3.49 | 4.03 | 4.52 |
Torque constant Kt [N・m/A] |
0.33 | 0.59 | 0.88 | 1.21 | 1.50 | 1.79 |
Rotor inertia JM [kg・m 2] |
3.2×10-3 | 5.5×10-3 | 8.0×10-3 | 10×10-3 | 13×10-3 | 15×10-3 |
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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