Figure 29: Text Detail - Marking Example For Approved Ex I I/O Modules; Table 19: Description Of Marking Example For Approved Ex I I/O Modules - WAGO I/O SYSTEM 750 Series Manual

44 Use in Hazardous Environments
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Figure 29: Text Detail – Marking Example for Approved Ex i I/O Modules According to CEC 18
attachment J
Table 19: 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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753-456 2 AI ±10 V DC, Differential inputs
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
Manual
Version 1.2.0