SIMOTICS SD Pro 1LE1 IE4 · 75 kW · 6-pole · 315 S · 1LE5504-3AC03-4AA4
MLFB: 1LE5504-3AC03-4AA4
Innomotics SIMOTICS SD Pro three-phase induction motor (cast-iron frame), 75 kW, 6-pole (992 rpm), shaft height 315 mm (315S), IE4 efficiency, 400/690 V, IM B3. Rated torque 720 Nm, current 135 A at 400 V, efficiency 95.4 %, cos φ 0.84, weight 830 kg. Article No. (MLFB): 1LE5504-3AC03-4AA4.
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Technical parameters
| Power | 75 kW |
| Number of poles | 6 |
| Synchronous speed | 1000 min⁻¹ |
| Rated speed | 992 min⁻¹ |
| Series | SIMOTICS SD Pro |
| Frame material | cast iron |
| Efficiency class | IE4 |
| Shaft height | 315 mm |
| Frame size | 315S |
| Voltage 50 Hz | 400/690 V |
| Design | IM B3 |
| Rated torque | 720 Nm |
| Efficiency (4/4) | 95.4 % |
| Power factor cos φ | 0.84 |
| Rated current | 135 A |
| Weight | 830 kg |
| Product series | Basic |
| Efficiency at 75% load | 95.6 % |
| Efficiency at 50% load | 95.2 % |
| Moment of inertia | 3.18 kgm² |
| Locked-rotor current I/In | 8.2 |
| Locked-rotor torque M/Mn | 2.7 |
| Breakdown torque Mmax/Mn | 3.5 |
| Sound pressure level LpA | 63 dB(A) |
| Sound power level LWA | 77 dB(A) |
| Current stated at voltage | 400 V |