Explosion proof versions in accordance with ATEX Directive, for single phase 230V-50Hz. Motors IP44, Class B. For ambient working temperatures from -20ºC to +40ºC.- ATEX Increased safety - GasFor model 800. II 2G Ex eb IIB T3 Gb EC: LOM 08 ATEX 2052 X Supplement 2.For models 1100 and 1200. II 2G Ex eb IIB T3 Gb EC: LOM 11 ATEX 2021 X Supplement 1.See data for selection, or refer to Easyvent.