Connecting
6.1 Safety when connecting up
SCALANCE SC-600
52 Operating Instructions, 10/2021, C79000-G8976-C453-04
Safety notices on use in hazardous areas
General safety notices relating to protection against explosion
WARNING
Do not connect or disconnect cables to or from the device when a flammable or
combustible atmosphere is present.
Safety notices when using the device according to Hazardous Locations (HazLoc)
If you use the device under HazLoc conditions you must also keep to the following safety
notices in addition to the general safety notices for protection against explosion:
WARNING
You may only connect or disconnect cables carrying electricity when the power supply
is switched off or when the device is in an area without inflammable gas
concentrations.
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:
WARNING
Take measures to prevent transient voltage surges of more than 40% of the rated
voltage. This is the case if you only operate devices with SELV (safety extra-low
voltage).
WARNING
Safety notice for connecting with a LAN ID (Local Area Network)
A LAN or LAN segment with all the interconnected devices should be contained
completely in a single low voltage power distribution in a building. The LAN is designed
either for “Environment A” according to IEEE802.3 or "Environment 0" according to IEC
TR 62102.
Do not connect any electrical connectors directly to the telephone network (telephone
network voltage) or a WAN (Wide Area Network).
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