Figure 22: Text Detail - Marking Example For Approved I/O Module Ex I; Table 44: Description Of Marking Example For Approved I/O Module Ex I - WAGO 750-637 Series Manual

WAGO I/O System 750
750-637 Incremental Encoder Interfaces
Figure 22: Text Detail – Marking Example for Approved I/O Module Ex i According to CEC 18
attachment J
Table 44: Description of Marking Example for Approved I/O Module Ex i According to CEC 18
attachment J
Marking
Dust
Ex
nA
[ia IIIC]
IIC
T4
Gc
X
Gases
Ex
nA
[ia Ga]
IIC
T4
Gc
X
Use in Hazardous Environments
Description
Explosion protection mark
Type of protection
Type of protection and equipment protection
level (EPL): Associated apparatus with intrinsic
safety circuits for use in Zone 20
Group
Temperature class
Equipment protection level (EPL)
Symbol used to denote specific conditions of use
Explosion protection mark
Type of protection
Type of protection and equipment protection
level (EPL): Associated apparatus with intrinsic
safety circuits for use in Zone 0
Group
Temperature class
Equipment protection level (EPL)
Symbol used to denote specific conditions of use
Public
59
Manual
Version 1.6.1