18 •
Use in Hazardous Environments
Marking Configuration Examples
WAGO-I/O-SYSTEM
750
I/O
Modules
3.1 Marking Configuration Examples
3.1.1 Marking for Europe according to CENELEC and IEC
Figure 1: Side marking example for ATEX and IEC Ex approved I/O modules according to
CENELEC and IEC
Figure 2: Printing Text detail – Marking example for ATEX and IEC Ex approved I/O modules
according to CENELEC and IEC
Table 1: Description of marking example for ATEX and IEC Ex approved I/O modules according to
CENELEC and IEC
Printing on Text
Description
DEMKO 08 ATEX 142851 X
IECEx PTB 07.0064X
Approval body and/or number of the examination
certificate
I M2 / II 3 GD
Explosion protection group and Unit category
Ex nA
Type of ignition and extended identification
IIC
Explosion protection group
T4 Temperature
class
