Figure 20: Text Detail - Marking Example For Approved I/O Module Ex I; Figure 21: Text Detail - Marking Example For Approved I/O Module Ex I; Table 42: Description Of Marking Example For Approved I/O Module Ex I; Table 43: Description Of Marking Example For Approved I/O Module Ex I - WAGO 750-637 Series Manual

58 Use in Hazardous Environments
Figure 20: Text Detail – Marking Example for Approved I/O Module Ex i According to NEC 505
Table 42: 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 21: Text Detail – Marking Example for Approved I/O Module Ex i According to NEC 506
Table 43: 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 1.6.1
750-637 Incremental Encoder Interfaces
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)
Public
WAGO I/O System 750