In some application areas there is an explosive atmosphere for which certain precautionary measures must be taken.
Electrical machines are always a potential ignition source in such an area. Target of the explosion protection modification to Zone 2 and Zone 22 is not to make it an effective ignition source.

Our product range for
ATEX Zones 2 and 22


Power0.12 - 315 kW
Speed3000 /1500 / 1000 / 750 rpm
Frame size56 - 355
Voltage230/400 Volt, 400/690 Volt, 500 Volt
Frequency50 / 60 Hz
Protection classIP55
Efficiency classIE1, IE2, IE3
Insulation classF/B
ColorRAL 7030 (steingrau)
MountingIM B3, IM B35, IM B5, IM B14, IM B34
Type of coolingIC 411 self-cooled
IC 416 forced-air cooling
Coolant temperatureStandard: -20 °C to +40 °C
Installation altitude1000 m above sea level
Housing materialup to frame size 132 – aluminum
from frame size 160 – cast iron
Direction of rotationclockwise / counter-clockwise
Atex classificationII 3G Ex ec II(B, C) T(2, 3, 4),
II 3D Ex tc III(B, C) T125°C
Data Sheets