Marking For America (Nec) And Canada (Cec); Table 43: Description Of Marking Example For Approved Ex I I/O Module According To Atex And Iecex - WAGO 750-484 Manual

82 Use in Hazardous Environments
Table 43: Description of Marking Example for Approved Ex i I/O Module According to ATEX and
IECEx
Marking
TUEV 12 ATEX 106032 X
IECEx TUN 12 0039 X
Dust
II
3 (1) D
Ex
tc
[ia Da]
IIIC
T135°C
Dc
Mining
I
M2 (M1)
Ex
d
[ia Ma]
I
Mb
Gases
II
3 (1) G
Ex
ec
[ia Ga]
IIC
T4
Gc
11.1.2

Marking for America (NEC) and Canada (CEC)

Description
Approving authority resp. certificate numbers
Equipment group: All except mining
Category 3 (Zone 22) equipment containing a safety
device for a category 1 (Zone 20) equipment
Explosion protection mark
Type of protection: Protection by enclosure
Type of protection and equipment protection level
(EPL): Associated apparatus with intrinsic safety
circuits for use in Zone 20
Explosion group of dust
Max. surface temperature of the enclosure
(without a dust layer)
Equipment protection level (EPL)
Equipment Group: Mining
Category: High level of protection with electrical
circuits which present a very high level of protection
Explosion protection mark
Type of protection: Flameproof enclosure
Type of protection and equipment protection level
(EPL): Associated apparatus with intrinsic safety
electrical circuits
Explosion group for electrical equipment for mines
susceptible to firedamp
Equipment protection level (EPL)
Equipment group: All except mining
Category 3 (Zone 2) equipment containing a safety
device for a category 1 (Zone 0) equipment
Explosion protection mark
Equipment protection by increased safety "e"
Type of protection and equipment protection level
(EPL): Associated apparatus with intrinsic safety
circuits for use in Zone 0
Explosion group of gas and vapours
Temperature class: Max. surface temperature 135 °C
Equipment protection level (EPL)
V 1.2.0 HW-Version 04, SW-Version 03
WAGO-I/O-SYSTEM 750
750-484 2 AI 4-20 mA HART Ex i
Manual