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56
Use in Hazardous Environments
WAGO-I/O-SYSTEM 750
750-633 Up/Down Counter Ex i
Manual
Version 1.3.0 HW-Version 03, SW-Version 01
8.1.2
Marking for America (NEC) and Canada (CEC)
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Figure 23: Marking Example According to NEC
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Figure 24: Text Detail – Marking Example According to NEC 500
Table 36: 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
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