WAGO-I/O-SYSTEM 750
Use in Hazardous Environments
39
750-455 4AI 4-20mA S.E.
Manual
Version 1.2.0
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7.1.2
Marking for America According to NEC 500
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Figure 16: Side Marking Example for I/O Modules According to NEC 500
Figure 17: Text Detail – Marking Example for Approved I/O Modules According to NEC 500
Table 19: Description of Marking Example for Approved I/O Modules According to NEC 500
Printing on Text
Description
CL I
Explosion protection group (condition of use
category)
DIV 2
Area of application
Grp. ABCD
Explosion group (gas group)
Op temp code T4
Temperature class
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