WAGO-I/O-SYSTEM 750 Use in Hazardous Environments 71
750-471 4AI U/I Diff Galv
Manual
Version 1.0.0
Table 39: Description of Marking Example According to ATEX and IECEx
IECEx TUN 09.0001 X
Approving authority resp. certificate numbers
Equipment group: All except mining
Explosion protection mark
Type of protection: Protection by enclosure
Max. surface temperature of the enclosure
(without a dust layer)
Equipment protection level (EPL)
Category: High level of protection
Explosion protection mark
Type of protection: Flameproof enclosure
Explosion group for electrical equipment for
mines susceptible to firedamp
Equipment protection level (EPL)
Equipment group: All except mining
Explosion protection mark
Type of protection: Non-sparking equipment
Explosion group of gas and vapours
Temperature class: Max. surface temperature
135 °C
Equipment protection level (EPL)