144 Use in Hazardous Environments
WAGO-I/O-System 750
750-370 PROFINET IO Fieldbus Coupler
Manual
Version 2.0.0
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13.1.2 Marking for America According to NEC 500
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Figure 55: Side Marking Example for I/O Modules According to NEC 500
Figure 56: Text Detail – Marking Example for Approved I/O Modules According to NEC 500
Table 68: 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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