WAGO-I/O-SYSTEM 750
Use in Hazardous Environments
59
753-647 DALI Multi-Master Module
Manual
Version 1.0.0
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9.1.2
Marking for America according to NEC 500
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Figure 29: Side marking example for I/O modules according to NEC 500
Figure 30: Text detail – Marking example for I/O modules according to NEC 500
Table 23: Description of marking example for I/O modules according to NEC 500
Printing on Text
Description
CL 1
Explosion protection group (condition of use
category)
DIV 2
Area of application (zone)
Grp. ABCD
Explosion group (gas group)
Optemp code T4
Temperature class
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