Siemens SCALANCE X204RNA Operating Instructions Manual page 10

Safety notes
2.1 Safety notices
Opening the device
WARNING – EXPLOSION HAZARD
DO NOT OPEN WHEN ENERGIZED.
General notices on use in hazardous areas
Risk of explosion when connecting or disconnecting the device
WARNING – EXPLOSION HAZARD
DO NOT CONNECT OR DISCONNECT EQUIPMENT WHEN A FLAMMABLE OR
COMBUSTIBLE ATMOSPHERE IS PRESENT.
Replacing components
WARNING – EXPLOSION HAZARD
SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I, DIVISION
2 OR ZONE 2.
Requirements for the cabinet/enclosure
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.
General notices on use in hazardous areas according to ATEX (SCALANCE X204RNA only)
Requirements for the cabinet/enclosure
To comply with EC Directive 94/9 (ATEX95), this enclosure must meet the requirements of
at least IP54 in compliance with EN 60529.
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WARNING
WARNING
WARNING
WARNING
WARNING
SCALANCE X204RNA SCALANCE X204RNA EEC
Operating Instructions, , C79000-G8976-C294-03
(PRP)