WAGO-I/O-SYSTEM 750
Use in Hazardous Environments
37
750-1423 4DI 24V DC 2.0ms, low-side switching, 3-conductor
Manual
Version 1.2.0
7.1.2
Marking for America According to NEC 500
Figure 15: Side Marking Example for I/O Modules According to NEC 500
Figure 16: Text Detail – Marking Example for Approved I/O Modules According to NEC 500
Table 18: 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