SIMOTICS HV H-compact 1LA4 (6 kV) · 425 kW · 6-pole · 354
MLFB: 1LA4354-6AN60
Siemens/Innomotics SIMOTICS HV H-compact high-voltage three-phase induction motor 1LA4, 425 kW, 6-pole (990 rpm), frame 354, 6 kV/50 Hz, current 52 A, efficiency 95.3%, cos φ 0.82, torque 4099 Nm, IM B3. Article No. (MLFB): 1LA4354-6AN60. Price and lead time on request (project/individual quote, not a stock item).
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Technical parameters
| Power | 425 kW |
| Number of poles | 6 |
| Synchronous speed | 1000 min⁻¹ |
| Rated speed | 990 min⁻¹ |
| Series | SIMOTICS HV |
| Frame material | cast iron |
| Shaft height | 355 mm |
| Frame size | 354 |
| Voltage 50 Hz | 6 kV |
| Design | IM B3 |
| Rated torque | 4099 Nm |
| Efficiency (4/4) | 95.3 % |
| Power factor cos φ | 0.82 |
| Rated current | 52 A |
| Efficiency at 75% load | 95.5 % |
| Moment of inertia | 15 kgm² |
| Locked-rotor current I/In | 5.5 |
| Locked-rotor torque M/Mn | 1.25 |
| Breakdown torque Mmax/Mn | 2.4 |
| Current stated at voltage | 6000 V |
| Bearing type | rolling |
| Power factor cos φ at 75% load | 0.79 |
| Max. external moment of inertia | 841 kgm² |