Figure 18: Text Detail - Marking Example For Approved Ex I I/O Modules; Table 23: Description Of Marking Example For Approved Ex I I/O Modules - WAGO 750-614/040-000 Manual

40 Use in Hazardous Environments
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Figure 18: Text Detail – Marking Example for Approved Ex i I/O Modules According to CEC 18
attachment J
Table 23: 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
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Manual
Version 1.1.0
WAGO-I/O-SYSTEM 750 XTR
750-614/040-000 Potential Distribution XTR
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