96
Use in Hazardous Environments
Figure 41: Text Detail – Marking Example for Approved I/O Module Ex i According to NEC 505
Table 71: Description of Marking Example for Approved I/O Module Ex i According to NEC 505
Marking
CI I,
Zn 2
AEx
nA
[ia Ga]
IIC
T4
Gc
Figure 42: Text Detail – Marking Example for Approved I/O Module Ex i According to NEC 506
Table 72: Description of Marking Example for Approved I/O Module Ex i According to NEC 506
Marking
CI I,
Zn 2
AEx
nA
[ia IIIC]
IIC
T4
Gc
Manual
Version 1.0.0
WAGO I/O System 750 XTR
750-677/040-000 4PWM 24 VDC 0.2A XTR
Description
Explosion protection group
Area of application
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)
Description
Explosion protection group
Area of application
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)