SIMOTICS XP 1MB1 IE2 (Ex, Zone 21) · 4 kW · 8-pole · 160 M
MLFB: 1MB1011-1DD23-4AA4
Siemens/Innomotics SIMOTICS XP three-phase induction motor for hazardous areas (aluminium frame, zone 21, Ex tb IIIC), 4 kW, 8-pole (730 rpm), shaft height 160 mm, IE2, 400/690 V, IM B3. Article No. (MLFB): 1MB1011-1DD23-4AA4. 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. We offer IE1/IE2 efficiency class motors as replacement motors for existing equipment, for export outside the EU and for other cases permitted by Regulation (EU) 2019/1781. We will be happy to help you choose the right motor.
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Technical parameters
| Power | 4 kW |
| Number of poles | 8 |
| Synchronous speed | 750 min⁻¹ |
| Rated speed | 730 min⁻¹ |
| Series | SIMOTICS XP |
| Frame material | aluminium |
| Efficiency class | IE2 |
| Shaft height | 160 mm |
| Frame size | 160M |
| Voltage 50 Hz | 400/690 V |
| Design | IM B3 |
| Rated torque | 52 Nm |
| Efficiency (4/4) | 81.9 % |
| Power factor cos φ | 0.67 |
| Rated current | 10.5 A |
| Weight | 69 kg |
| Product series | Aluminium |
| Moment of inertia | 0.065 kgm² |
| Current stated at voltage | 400 V |
| Type of protection | Ex tb IIIC |
| Ex zone | 21 |