WAGO-I/O-SYSTEM 750 XTR
Use in Hazardous Environments 273
750-495/040-00x 3-Phase Power Measurement Module 690 V
Manual
Version 1.2.0
Pos: 127.13 /Seri e 750 ( WAGO-I/O-SYSTEM)/Einsatz in Ex- Ber eichen/Beispiel bedr uckung und T extdetail NEC 505_2017 @ 29\mod_1497865583500_21.docx @ 424739 @ @ 1
Figure 118: Text Detail – Marking Example for Approved Ex i I/O Module According to NEC 505
Table 60: 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: 127.14 /Seri e 750 ( WAGO-I/O-SYSTEM)/Einsatz in Ex- Ber eichen/Beispiel bedr uckung und T extdetail NEC 506_2017 @ 29\mod_1497865583656_21.docx @ 424742 @ @ 1
Figure 119: Text Detail – Marking Example for Approved Ex i I/O Module According to NEC 506
Table 61: 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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