Figure 31: Text Detail - Marking Example For Approved Ex I I/O Modules; Table 44: Description Of Marking Example For Approved Ex I I/O Modules - WAGO 750 Manual

76 Use in Hazardous Environments
Figure 31: Text Detail – Marking Example for Approved Ex i I/O Modules According to CEC 18
attachment J
Table 44: Description of Marking Example for Approved Ex i I/O Modules According to CEC 18
attachment J
Marking
Dust
Ex
nA
[ia IIIC]
IIC
T4
Gc
X
Gases
Ex
nA
[ia Ga]
IIC
T4
Gc
X
Manual
Version 1.0.0
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Description
Explosion protection mark
Type of protection
Type of protection and equipment protection
level (EPL): Associated apparatus with intrinsic
safety circuits for use in Zone 20
Group
Temperature class
Equipment protection level (EPL)
Symbol used to denote specific conditions of use
Explosion protection mark
Type of protection
Type of protection and equipment protection
level (EPL): Associated apparatus with intrinsic
safety circuits for use in Zone 0
Group
Temperature class
Equipment protection level (EPL)
Symbol used to denote specific conditions of use
WAGO-I/O-SYSTEM 750
750-471 4AI U/I Diff Galv