SIMOTICS XP 1MB1 IE3 (Ex, Zone 21), Performance Line · 55 kW · 2-pole · 250 M
MLFB: 1MB1613-2CA23-4AB4
Siemens/Innomotics SIMOTICS XP three-phase induction motor for hazardous areas (cast-iron housing, zone 21, Ex tb IIIC), Performance Line, 55 kW, 2-pole (2975 rpm), shaft height 250 mm, IE3, 400/690 V, IM B3. Article No. (MLFB): 1MB1613-2CA23-4AB4. 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 | 2 |
| Synchronous speed | 3000 min⁻¹ |
| Rated speed | 2975 min⁻¹ |
| Series | SIMOTICS XP |
| 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 Line |
| Moment of inertia | 0.46 kgm² |
| Current stated at voltage | 400 V |
| Type of protection | Ex tb IIIC |
| Ex zone | 21 |