Technical data

WAGO-I/O-SYSTEM 750 Use in Hazardous Environments 69
750-652 Serial Interface RS-232 / RS-485
Manual
Version 1.3.0
10.1.2 Marking for America According to NEC 500
Figure 25: Side Marking Example for I/O Modules According to NEC 500
Figure 26: Text Detail Marking Example for Approved I/O Modules According to NEC 500
Table 44: 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