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Installation and removal
5.1 Safety notices for installation
The device is intended for indoor use only.
Safety notices on use in hazardous areas
General safety notices relating to protection against explosion
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.
EXPLOSION HAZARD
Replacing components may impair suitability for Class 1, Division 2 or Zone 2.
The device may only be operated in an environment of contamination class 1 or 2 (see
EN/IEC 60664-1, GB/T 16935.1).
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.
38
WARNING
WARNING
WARNING
WARNING
WARNING
SCALANCE W788-x / W748-1
Operating Instructions, 03/2022, A5E03678333-17
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