For installation in hazardous areas, the motors can be modified to Zone 2 and/or Zone 22.
Zone designations:
Zone 2 (according to the old designation) = II 3G Ex nA II(B, C) T(2, 3, 4)
Zone 2 (new designation) = II 3G Ex ec II(B, C) T(2, 3, 4)
Zone 22 = II 3D Ex tc III(B, C) T125°C
Higher degrees of protection or other zones on request.