SIMOTICS SD Pro 1LE1 IE3 · 355 kW · 4-pole · 355 L · 1LE5683-3BB33-4AA4
MLFB: 1LE5683-3BB33-4AA4
Innomotics SIMOTICS SD Pro three-phase induction motor (cast-iron frame), 355 kW, 4-pole (1492 rpm), shaft height 355 mm (355L), IE3 efficiency, 400/690 V, IM B3. Rated torque 2250 Nm, current 620 A at 400 V, efficiency 96.0 %, cos φ 0.86, weight 2010 kg. Article No. (MLFB): 1LE5683-3BB33-4AA4.
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Technical parameters
| Power | 355 kW |
| Number of poles | 4 |
| Synchronous speed | 1500 min⁻¹ |
| Rated speed | 1492 min⁻¹ |
| Series | SIMOTICS SD Pro |
| Frame material | cast iron |
| Efficiency class | IE3 |
| Shaft height | 355 mm |
| Frame size | 355L |
| Voltage 50 Hz | 400/690 V |
| Design | IM B3 |
| Rated torque | 2250 Nm |
| Efficiency (4/4) | 96 % |
| Power factor cos φ | 0.86 |
| Rated current | 620 A |
| Weight | 2010 kg |
| Product series | Performance |
| Efficiency at 75% load | 96 % |
| Efficiency at 50% load | 95.5 % |
| Moment of inertia | 6.76 kgm² |
| Locked-rotor current I/In | 8.8 |
| Locked-rotor torque M/Mn | 2.7 |
| Breakdown torque Mmax/Mn | 3.4 |
| Sound pressure level LpA | 80 dB(A) |
| Sound power level LWA | 95 dB(A) |
| Current stated at voltage | 400 V |