Siemens 4AI RTD Product Information page 10

English A5E00308257-AJ
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 installation. Never perform
an installation under explosive conditions!
• When performing the installation, observe the EN 60079-
14 regulations.
• The electronic submodule must be mounted in Zone 1 in
an enclosure with the Ex e degree of protection.
• The device may only be used in an area with a degree of
pollution of up to 2 according to IEC 60664-1.
• In Zone 2, the device must be mounted in an enclosure
providing a degree of protection of at least IP54 according
to IEC 60079-7
English