WAGO -I/O-SYSTEM 750 Series Manual page 114

114 Use in Hazardous Environments
Table 40: Description of Marking Example for Approved Ex i I/O Modules According to ATEX and
IECEx
Gases
II
3(1)G
3(2)G
Ex
nA Gc
[ia Ga]
[ia Gb]
IIC
T4
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753-661/000-003 4FDI 24V PROFIsafe V2 iPar
Equipment group: All except mining
Category 3 (Zone 2) equipment containing a safety
device for a category 1 (Zone 0) equipment
Category 3 (Zone 2) equipment containing a safety
device for a category 2 (Zone 1) equipment
Explosion protection mark
Type of protection and equipment protection level
(EPL): Non-sparking equipment
Type of protection and equipment protection level
(EPL): associated apparatus with intrinsic safety
circuits for use in Zone 0
Type of protection and equipment protection level
(EPL): associated apparatus with intrinsic safety
circuits for use in Zone 1
Explosion group of gas and vapours
Temperature class: Max. surface temperature 135°C
Version 1.4.0, valid from HW/SW Version 01/02
WAGO-I/O-SYSTEM 750
Manual