WAGO 750-616/040-000 Manual

WAGO-I/O-SYSTEM 750 XTR Use in Hazardous Environments 35750-616/040-000 Distance Module XTRManualVersion 1.1.0Figure 12: Text Detail – Marking Example for Approved Ex i I/O Module According to NEC 505Table 16: Description of Marking Example for Approved Ex i I/O Module According to NEC 505Marking DescriptionCI I, Explosion protection groupZn 2 Area of applicationAEx Explosion protection marknA Type of protection[ia Ga] Type of protection and equipment protectionlevel (EPL): Associated apparatus with intrinsicsafety circuits for use in Zone 20IIC GroupT4 Temperature classGc Equipment protection level (EPL)Figure 13: Text Detail – Marking Example for Approved Ex i I/O Module According to NEC 506Table 17: Description of Marking Example for Approved Ex i I/O Modules According to NEC 506Marking DescriptionCI I, Explosion protection groupZn 2 Area of applicationAEx Explosion protection marknA Type of protection[ia IIIC] Type of protection and equipment protectionlevel (EPL): Associated apparatus with intrinsicsafety circuits for use in Zone 20IIC GroupT4 Temperature classGc Equipment protection level (EPL)