140 Use in Hazardous Environments
WAGO-I/O-SYSTEM 750
753-668/000-004 4FAI 0/4-20 mA Diff PROFIsafe
Manual
Version 1.0.0, valid from HW/SW Version 01/01
11.1.2
Marking for the United States of America (NEC) and Canada
(CEC)
Figure 46: Marking Example According to NEC
Figure 47: Text Detail
– Marking Example According to NEC 500
Table 52: 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