SIMOTICS XP 1MB1 IE3 (Ex, Zone 21) · 55 kW · 6-pole · 280 M
MLFB: 1MB1513-2DC23-4AA4
Siemens/Innomotics SIMOTICS XP three-phase induction motor for hazardous areas (cast-iron housing, zone 21, Ex tb IIIC), 55 kW, 6-pole (988 rpm), shaft height 280 mm, IE3, 400/690 V, IM B3. Article No. (MLFB): 1MB1513-2DC23-4AA4. For a different zone (22/2) or degree of protection, please contact OSA — zone selection is safety-critical and must match the actual installation environment.
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Technical parameters
| Power | 55 kW |
| Number of poles | 6 |
| Synchronous speed | 1000 min⁻¹ |
| Rated speed | 988 min⁻¹ |
| Series | SIMOTICS XP |
| Frame material | cast iron |
| Efficiency class | IE3 |
| Shaft height | 280 mm |
| Frame size | 280M |
| Voltage 50 Hz | 400/690 V |
| Design | IM B3 |
| Rated torque | 532 Nm |
| Efficiency (4/4) | 94.1 % |
| Power factor cos φ | 0.85 |
| Rated current | 99 A |
| Weight | 560 kg |
| Product series | Basic Line |
| Moment of inertia | 1.6 kgm² |
| Current stated at voltage | 400 V |
| Type of protection | Ex tb IIIC |
| Ex zone | 21 |