SIMOTICS HV H-compact 1LA4 (6 kV) · 1050 kW · 4-pole · 454
MLFB: 1LA4454-4AN60
Siemens/Innomotics SIMOTICS HV H-compact high-voltage three-phase induction motor 1LA4, 1050 kW, 4-pole (1489 rpm), frame 454, 6 kV/50 Hz, current 124 A, efficiency 96.2%, cos φ 0.85, torque 6734 Nm, IM B3. Article No. (MLFB): 1LA4454-4AN60. Price and lead time on request (project/individual quote, not a stock item).
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Technical parameters
| Power | 1050 kW |
| Number of poles | 4 |
| Synchronous speed | 1500 min⁻¹ |
| Rated speed | 1489 min⁻¹ |
| Series | SIMOTICS HV |
| Frame material | cast iron |
| Shaft height | 450 mm |
| Frame size | 454 |
| Voltage 50 Hz | 6 kV |
| Design | IM B3 |
| Rated torque | 6734 Nm |
| Efficiency (4/4) | 96.2 % |
| Power factor cos φ | 0.85 |
| Rated current | 124 A |
| Efficiency at 75% load | 96.3 % |
| Moment of inertia | 27 kgm² |
| Locked-rotor current I/In | 5.25 |
| Locked-rotor torque M/Mn | 0.95 |
| Breakdown torque Mmax/Mn | 2.3 |
| Current stated at voltage | 6000 V |
| Bearing type | rolling |
| Power factor cos φ at 75% load | 0.83 |
| Max. external moment of inertia | 653 kgm² |