Table 47: Description Of Marking Example For Approved Ex I I/O Modules - WAGO 750-484 Manual

WAGO-I/O-SYSTEM 750
750-484 2 AI 4-20 mA HART Ex i
Figure 44: Text Detail – Marking Example for Approved Ex i I/O Modules According to CEC 18
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Table 47: Description of Marking Example for Approved Ex i I/O Modules According to CEC 18
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Marking
Dust
Ex
nA
[ia IIIC]
IIC
T4
Gc
X
Gases
Ex
nA
[ia Ga]
IIC
T4
Gc
X
Manual
V 1.2.0 HW-Version 04, SW-Version 03
Use in Hazardous Environments
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
85