WAGO 750-461 Series User Manual

WAGO-I/O-SYSTEM 750 Use in Hazardous Environments 45
750-461 2AI Pt100/RTD
Manual
Version 1.4.1
Table 33: Description of Marking Example According to ATEX and IECEx
Marking
Description
TUEV 07 ATEX 554086 X
IECEx TUN 09.0001 X
Approving authority resp. certificate numbers
Dust
II
Equipment group: All except mining
3 D
Category 3 (Zone 22)
Ex
Explosion protection mark
tc
Type of protection: Protection by enclosure
IIIC
Explosion group of dust
T135°C
Max. surface temperature of the enclosure
(without a dust layer)
Dc
Equipment protection level (EPL)
Mining
I
Equipment group: Mining
M2
Category: High level of protection
Ex
Explosion protection mark
d
Type of protection: Flameproof enclosure
I
Explosion group for electrical equipment for
mines susceptible to firedamp
Mb
Equipment protection level (EPL)
Gases
II
Equipment group: All except mining
3 G
Category 3 (Zone 2)
Ex
Explosion protection mark
nA
Type of protection: Non-sparking equipment
IIC
Explosion group of gas and vapours
T4
Temperature class: Max. surface temperature
135 °C
Gc
Equipment protection level (EPL)
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WAGO 750-461 Series Specifications

General

Brand	WAGO
Model	750-461 Series
Category	Control Unit
Language	English