WAGO 750 Series Instruction Manual page 35

WAGO-I/O-SYSTEM 750
750-492 2AI 4-20mA Differential Input
Table 15: Description of Marking Example for Approved Ex i I/O Modules According to ATEX and
IECEx
Inscription Text
TÜV 07 ATEX 554086 X
IECEx TUN 09.0001X
TÜV 12 ATEX 106032 X
IECEx TUN 12.0039 X
Dust
II
3(1)D
3(2)D
Ex
tc Dc
[ia Da]
[ib Db]
IIIC
T 135°C
Mining
I
M2 (M1)
Ex d Mb
[ia Ma]
I
Manual
Version 1.1.0
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Description
Approving authority and certificate numbers
Equipment group: All except mining
Category 3 (Zone 22) equipment containing a safety
device for a category 1 (Zone 20) equipment
Category 3 (Zone 22) equipment containing a safety
device for a category 2 (Zone 21) equipment
Explosion protection mark
Type of protection and equipment protection level
(EPL): protection by enclosure
Type of protection and equipment protection level
(EPL): associated apparatus with intrinsic safety
circuits for use in Zone 20
Type of protection and equipment protection level
(EPL): associated apparatus with intrinsic safety
circuits for use in Zone 21
Explosion group of dust
Max. surface temperature of the enclosure (without a
dust layer)
Equipment Group: Mining
Category: High level of protection with electrical
circuits which present a very high level of protection
Explosion protection mark with Type of protection
and equipment protection level (EPL): 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
Use in Hazardous Environments 35