Table 476: Description Of Marking Example For Approved Ex I I/O Modules - WAGO -I/O-SYSTEM 750 Manual
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408 Use in Hazardous Environments
Figure 91: Text Detail – Marking Example for Approved Ex i I/O Modules According to CEC 18
attachment J
Table 476: 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
1.5.0
750-882 Media Redundancy ETHERNET Controller
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
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