SIMOTICS HV H-compact 1LA4 (6 kV) · 1270 kW · 6-pole · 504
MLFB: 1LA4504-6CN60
Siemens/Innomotics SIMOTICS HV H-compact high-voltage three-phase induction motor 1LA4, 1270 kW, 6-pole (994 rpm), frame 504, 6 kV/50 Hz, current 144 A, efficiency 96.8%, cos φ 0.88, torque 12202 Nm, IM B3. Article No. (MLFB): 1LA4504-6CN60. Price and lead time on request (project/individual quote, not a stock item).
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Technical parameters
| Power | 1270 kW |
| Number of poles | 6 |
| Synchronous speed | 1000 min⁻¹ |
| Rated speed | 994 min⁻¹ |
| Series | SIMOTICS HV |
| Frame material | cast iron |
| Shaft height | 500 mm |
| Frame size | 504 |
| Voltage 50 Hz | 6 kV |
| Design | IM B3 |
| Rated torque | 12202 Nm |
| Efficiency (4/4) | 96.8 % |
| Power factor cos φ | 0.88 |
| Rated current | 144 A |
| Efficiency at 75% load | 96.9 % |
| Moment of inertia | 102 kgm² |
| Locked-rotor current I/In | 5.4 |
| Locked-rotor torque M/Mn | 0.75 |
| Breakdown torque Mmax/Mn | 2.15 |
| Current stated at voltage | 6000 V |
| Bearing type | sleeve |
| Power factor cos φ at 75% load | 0.86 |
| Max. external moment of inertia | 2048 kgm² |