42
Use in Hazardous Environments
WAGO-I/O-SYSTEM 750
750-515 4DO 250V AC 2.0A/ Relais 4NO/ Potential Free
Manual
Version 1.0.1
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7.1.2
Marking for America According to NEC 500
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Figure 23: Side Marking Example for I/O Modules According to NEC 500
Figure 24: Text Detail – Marking Example for Approved I/O Modules According to NEC 500
Table 17: Description of Marking Example for Approved I/O Modules According to NEC 500
Marking
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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