SIMOTICS SD 1LE1 IE3 · 18,5 kW · 6-pole · 180 L · 1LE1603-1EC63-4AA4
MLFB: 1LE1603-1EC63-4AA4
Innomotics SIMOTICS SD three-phase induction motor (cast-iron frame), 18.5 kW, 6-pole (975 rpm), shaft height 180 mm (180L), IE3 efficiency, 400/690 V, IM B3. Rated torque 181 Nm, current 38 A at 400 V, efficiency 91.7 %, cos φ 0.77, weight 185 kg. Article No. (MLFB): 1LE1603-1EC63-4AA4.
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Technical parameters
| Power | 18.5 kW |
| Number of poles | 6 |
| Synchronous speed | 1000 min⁻¹ |
| Rated speed | 975 min⁻¹ |
| Series | SIMOTICS SD |
| Frame material | cast iron |
| Efficiency class | IE3 |
| Shaft height | 180 mm |
| Frame size | 180L |
| Voltage 50 Hz | 400/690 V |
| Design | IM B3 |
| Rated torque | 181 Nm |
| Efficiency (4/4) | 91.7 % |
| Power factor cos φ | 0.77 |
| Rated current | 38 A |
| Weight | 185 kg |
| Product series | Performance |
| Power at 60 Hz | 22 kW |
| Efficiency at 75% load | 92.3 % |
| Efficiency at 50% load | 91.9 % |
| Moment of inertia | 0.247 kgm² |
| Locked-rotor current I/In | 6.9 |
| Locked-rotor torque M/Mn | 2.6 |
| Breakdown torque Mmax/Mn | 3.3 |
| Sound pressure level LpA | 68 dB(A) |
| Sound power level LWA | 80 dB(A) |
| Current stated at voltage | 400 V |