Table 50: Description Of The Marking Example Per Atex And Iecex - WAGO 750 Series Manual

WAGO I/O System 750
750-1491 2AI Resistor Bridge (Strain Gauge)

Table 50: Description of the Marking Example per ATEX and IECEx

Marking Text
TUEV 07 ATEX 554086 X
IECEx TUN 09.0001 X
Dust
II
3 D
Ex
tc
IIIC
T135°C
Dc
Mining
I
M2
Ex
d
I
Mb
Gases
II
3 G
Ex
nA
IIC
T4
Gc
Use in Hazardous Environments
Description
Approving authority or certificate numbers
Device group: All except mining
Device category 3 (Zone 22)
Explosion protection mark
Protection type: Protection by enclosure
Dust group: Explosive dust atmosphere
Maximum surface temperature of the enclosure
(no dust bin)
Level of equipment protection (EPL)
Device group: Mining
Device category: High degree of safety
Explosion protection mark
Protection type: Pressure-tight encapsulation
Electrical devices in potentially explosive mines
Level of equipment protection (EPL)
Device group: All except mining
Device category 3 (Zone 2)
Explosion protection mark
Protection type: Non-sparking equipment
Gas group: Explosive gas atmosphere
Temperature class: Max. surface temperature
135 °C
Level of equipment protection (EPL)
91
Manual
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