| Model | Direct wires | Current | Resistance | Inductance | Max Static Torque | Rotor InertiaTorque | Excess weight |
| A/period | Ω/phase | m.H/phase | kg.cm | g.cm2 | KG | ||
| 28HS33-08P | four | .8 | 5.three | three.three | .six | 8 | .eleven |
| 28HS45-08P | 4 | .eight | 7.8 | 5.4 | .8 | 11 | .fourteen |
| 28HS48-08P | 4 | .eight | seven.two | five.1 | .nine | thirteen | .18 |
