WAGO-I/O-SYSTEM 750
Use in Hazardous Environments 53
750-439 8DI NAMUR Ex i
Manual
Version 1.3.0, valid from HW Version 03, SW Version 03
9.1.2
Marking for the United States of America (NEC) and Canada
(CEC)
Figure 23: Marking Example According to NEC
Figure 24: Text Detail – Marking Example According to NEC 500
Table 34: Description of Marking Example According to NEC 500
Marking
Description
CL I
Explosion protection (gas group)
DIV 2
Area of application
Grp. A B C D
Explosion group (gas group)
op temp code T4
Temperature class