WAGO-I/O-SYSTEM 750 XTR
Use in Hazardous Environments 45
750-630/040-001 SSI Interface Adjust XTR
Manual
Version 1.1.0
Pos: 34.13 /Serie 750 ( WAGO-I/O-SYST EM)/Ei nsatz i n Ex-Bereichen/Beispi elbedruckung und Textdetail N EC 505_2017 @ 29\mod_1497865583500_21.docx @ 424739 @ @ 1
Figure 18: Text Detail – Marking Example for Approved Ex i I/O Module According to NEC 505
Table 27: Description of Marking Example for Approved Ex i I/O Module According to NEC 505
Marking
Description
CI I,
Explosion protection group
Zn 2
Area of application
AEx
Explosion protection mark
nA
Type of protection
[ia Ga]
Type of protection and equipment protection
level (EPL): Associated apparatus with intrinsic
safety circuits for use in Zone 20
IIC
Group
T4
Temperature class
Gc
Equipment protection level (EPL)
Pos: 34.14 /Serie 750 ( WAGO-I/O-SYST EM)/Ei nsatz i n Ex-Bereichen/Beispi elbedruckung und Textdetail N EC 506_2017 @ 29\mod_1497865583656_21.docx @ 424742 @ @ 1
Figure 19: Text Detail – Marking Example for Approved Ex i I/O Module According to NEC 506
Table 28: Description of Marking Example for Approved Ex i I/O Modules According to NEC 506
Marking
Description
CI I,
Explosion protection group
Zn 2
Area of application
AEx
Explosion protection mark
nA
Type of protection
[ia IIIC]
Type of protection and equipment protection
level (EPL): Associated apparatus with intrinsic
safety circuits for use in Zone 20
IIC
Group
T4
Temperature class
Gc
Equipment protection level (EPL)
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