Siemens 4AI TC Manual Del Usuario página 6

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Certification
ATEX
IECEx
Note
The electronic submodule with device category 2G may
be used in zone 1 hazardous areas.
Sensors with device categories 1G, 2G and 3G for zones
0, 1, and 2 as well as device categories 1D, 2D and 3D for
zones 20, 21 and 22 may be connected to the inputs of
the electronic submodule.
Installation
Danger
It is possible that sparks or impermissibly high surface
temperatures may occur during the installation. Never
perform an installation under explosive conditions!
•
In making the installation, observe the EN 60 079-14
regulations.
•
The electronic submodule must be mounted in Zone 1 in
an enclosure with the Ex e degree of protection.
•
When installed in Zone 2, the electronic submodule must
be mounted in an enclosure providing a degree of
protection of at least IP 54 (must have manufacturer's
statement for Zone 2).
A5E00308258-05
II 2 G (1) GD and I M2
Ex ib [ia] [iaD] IIC T4; Ex ib [ia] I
KEMA 04 ATEX 1246
IECEx KEM 05.0008
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0344