Table 72: Description Of Marking Example For Approved I/O Modules According To Atex And Iecex; Table 74: Description Of Marking Example For Approved I/O Modules According To - WAGO -I/O-SYSTEM 750 Manual

140 Use in Hazardous Environments
Table 72: Description of marking example for approved I/O modules according to ATEX and
IECEx
Printing on Text
TÜV 07 ATEX 554086 X
IECEx TUN 09.0001 X
Dust
II
3D
Ex
tc Dc
IIIC
T 135°C
Mining
I
M2
Ex
d Mb
I
Gases
II
3G
Ex
nA Gc
nC Gc
IIC
T4
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750-375 PROFINET IO advanced Fieldbus Coupler
Description
Approving authority and certificate numbers
Equipment group: All except mining
Category 3 (Zone 22)
Explosion protection mark
Type of protection and equipment protection
level (EPL):protection by enclosure
Explosion group of dust
Max. surface temperature of the enclosure
(without a dust layer)
Equipment group: Mining
Category: High level of protection
Explosion protection mark
Type of protection and equipment protection
level (EPL): Flameproof enclosure
Explosion group for electrical equipment for
mines susceptible to firedamp
Equipment group: All except mining
Category 3 (Zone 2)
Explosion protection mark
Type of protection and equipment protection
level (EPL): Non-sparking equipment
Type of protection and equipment protection
level (EPL): Sparking apparatus with protected
contacts. A device which is so constructed that
the external atmosphere cannot gain access to the
interior
Explosion group of gas and vapours
Temperature class: Max. surface temperature
135°C
WAGO-I/O-SYSTEM 750
Manual
Version 1.1.0