SIMOTICS HV H-compact 1LA4 (6 kV) · 750 kW · 4-pole · 404
MLFB: 1LA4404-4AN60
Siemens/Innomotics SIMOTICS HV H-compact high-voltage three-phase induction motor 1LA4, 750 kW, 4-pole (1489 rpm), frame 404, 6 kV/50 Hz, current 88 A, efficiency 95.8%, cos φ 0.86, torque 4810 Nm, IM B3. Article No. (MLFB): 1LA4404-4AN60. Price and lead time on request (project/individual quote, not a stock item).
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Technical parameters
| Power | 750 kW |
| Number of poles | 4 |
| Synchronous speed | 1500 min⁻¹ |
| Rated speed | 1489 min⁻¹ |
| Series | SIMOTICS HV |
| Frame material | cast iron |
| Shaft height | 400 mm |
| Frame size | 404 |
| Voltage 50 Hz | 6 kV |
| Design | IM B3 |
| Rated torque | 4810 Nm |
| Efficiency (4/4) | 95.8 % |
| Power factor cos φ | 0.86 |
| Rated current | 88 A |
| Efficiency at 75% load | 95.7 % |
| Moment of inertia | 14.5 kgm² |
| Locked-rotor current I/In | 5.8 |
| Locked-rotor torque M/Mn | 1.3 |
| Breakdown torque Mmax/Mn | 2.65 |
| Current stated at voltage | 6000 V |
| Bearing type | rolling |
| Power factor cos φ at 75% load | 0.83 |
| Max. external moment of inertia | 381 kgm² |