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Installing and removing
5.1 Safety during installation
The device is intended for indoor use only.
The device may only be operated in an environment of contamination class 1 or 2 (see EN/IEC
60664-1, GB/T 16935.1).
When used in hazardous environments corresponding to Class I, Division 2 or Class I, Zone 2,
the device must be installed in a cabinet or a suitable enclosure.
Notes for use in hazardous locations according to ATEX, IECEx, UKEX and CCC Ex
If you use the device under ATEX, IECEx, UKEX or CCC Ex conditions you must also keep to the
following safety instructions in addition to the general safety instructions for protection against
explosion:
To comply with EU Directive 2014/34 EU (ATEX 114), UK-Regulation SI 2016/1107 or the
conditions of IECEx or CCC-Ex, the housing or cabinet must meet the requirements of at least
IP54 (according to EN/IEC 60529, GB/T 4208) in compliance with EN IEC/IEC 60079‑7, GB
3836.8.
If the temperature of the cable or housing socket exceeds 70 °C or the branching point of
conductors exceeds 80 °C, special precautions must be taken. If the equipment is operated in
an air ambient in excess of 50 °C to 60 °C, only use cables with a permissible operating
temperature of at least 85 °C.
Safety notices when using according to FM
If you use the device under FM conditions you must also keep to the following safety notices in
addition to the general safety notices for protection against explosion:
To fulfill the requirements of the FM approval rack mounting is only possible in a vent free, tool-
secured enclosure.
40
WARNING
WARNING
WARNING
WARNING
WARNING
WARNING
SCALANCE XRH-300/XRM-300
Equipment Manual, 10/2022, C79000-G8976-C546-01
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