SIMOTICS SD 1LE1 IE3 · 55 kW · 2-pole · 250 M · 1LE1603-2CA23-4AA4
MLFB: 1LE1603-2CA23-4AA4
Innomotics SIMOTICS SD three-phase induction motor (cast-iron frame), 55 kW, 2-pole (2975 rpm), shaft height 250 mm (250M), IE3 efficiency, 400/690 V, IM B3. Rated torque 177 Nm, current 95 A at 400 V, efficiency 94.3 %, cos φ 0.89, weight 385 kg. Article No. (MLFB): 1LE1603-2CA23-4AA4.
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Technical parameters
| Power | 55 kW |
| Number of poles | 2 |
| Synchronous speed | 3000 min⁻¹ |
| Rated speed | 2975 min⁻¹ |
| Series | SIMOTICS SD |
| Frame material | cast iron |
| Efficiency class | IE3 |
| Shaft height | 250 mm |
| Frame size | 250M |
| Voltage 50 Hz | 400/690 V |
| Design | IM B3 |
| Rated torque | 177 Nm |
| Efficiency (4/4) | 94.3 % |
| Power factor cos φ | 0.89 |
| Rated current | 95 A |
| Weight | 385 kg |
| Product series | Performance |
| Power at 60 Hz | 62 kW |
| Efficiency at 75% load | 94.5 % |
| Efficiency at 50% load | 93.9 % |
| Moment of inertia | 0.46 kgm² |
| Locked-rotor current I/In | 6.7 |
| Locked-rotor torque M/Mn | 2.3 |
| Breakdown torque Mmax/Mn | 3.1 |
| Sound pressure level LpA | 73 dB(A) |
| Sound power level LWA | 87 dB(A) |
| Current stated at voltage | 400 V |