WAGO 750 XTR - Table 73: Description of Marking Example for Approved I;O Module Ex I

WAGO I/O System 750 XTR Use in Hazardous Environments 97
750-677/040-000 4PWM 24 VDC 0.2A XTR
Manual
Version 1.0.0
Figure 43: Text Detail – Marking Example for Approved I/O Module Ex i According to CEC 18
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Table 73: Description of Marking Example for Approved I/O Module Ex i According to CEC 18
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Marking
Description
Dust
Ex
Explosion protection mark
nA
Type of protection
[ia IIIC]
Type of protection and equipment protection
level (EPL): Associated apparatus with intrinsic
safety circuits for use in Zone 20
IIC
Group
T4
Temperature class
Gc
Equipment protection level (EPL)
X
Symbol used to denote specific conditions of use
Gases
Ex
Explosion protection mark
nA
Type of protection
[ia Ga]
Type of protection and equipment protection
level (EPL): Associated apparatus with intrinsic
safety circuits for use in Zone 0
IIC
Group
T4
Temperature class
Gc
Equipment protection level (EPL)
X
Symbol used to denote specific conditions of use