Explosion proof motors
Our explosion-proof motors have the ignition protection types increased safety "e", flameproof enclosure "d(e)", non sparking "n" and use zone 21 and zone 22.
Types of ignition protection
- Increased safety "eb" (Ex eb IIC T3 Gb)
- Pressure-resistant encapsulation "db(eb)" (Ex db(eb) IIC T4 Gb)
- increased safety "ec" (non sparking "nA"), (Ex ec IIC T3 Gc)
- Application Zone 21, (Ex tb IIIC T125°C Db)
- Insert Zone 22, (Ex tc IIIB(C) T125°C Dc)
The motors can be supplied in the following versions in compliance with VO(EC) 640/2009.
- Without efficiency classification
- Standard Efficiency IE1
- High Efficiency IE2
- Premium Efficiency IE3
- Super Premium Efficiency IE4
Technical Data
| Power | 0,06-315 (630) kW |
| Protection class |
IP 55 optionally IP 56, IP 65 according to DIN EN 60034-5 (IEC 60034-5) |
| Size | 56-355 (450) |
| Speeds |
3,000, 1,500, 1,000, 750 min-¹ pole-changing versions possible on request |
| Designs | IM B3, IM B35, IM B5, IM B14, IM B34 and derived designs according to EN 60034-7 |
| Cooling types |
according to DIN EN 60034-6 (IEC 60034-6) self-ventilated, IC 411 externally ventilated, IC 416 unventilated, IC 410 |
| Coolant temperature | standard -20 °C to +40 °C |
Other features of explosion-proof motors
- Energy-efficient and environmentally friendly
- Design according to DIN EN 60034 (IEC 60072)
- Attachment dimensions and allocation of power according to DIN 42673, 42677 or progressive
- robust low-vibration cast iron design .
