46 Use in Hazardous Environments WAGO-I/O-SYSTEM 750 XTR750-537/040-000 8DO 24 VDC 0.5A Diagn XTRManualVersion 1.1.18.1 Marking Configuration Examples8.1.1 Marking for Europe According to ATEX and IECExFigure 13: Marking Example According to ATEX and IECExFigure 14: Text Detail – Marking Example According to ATEX and IECEx