Safety note on devices with 100 to 240 V AC power supply
WARNING
Danger from line voltage
The supply voltage for the devices listed is 100 to 240 V AC.
This device can only function correctly and safely if it is transported, stored, set up, and
installed correctly, and operated and maintained as recommended.
Connecting and disconnecting may only be performed by an electrical specialist.
Connect or disconnect power supply cables only when the power is turned off.
WARNING
Devices with a 100 to 240 V AC power supply do not have an ATEX or IECEx approval.
Devices with a 100 to 240 V AC power supply are not approved for use in hazardous areas
according to 2014/34/EU ATEX or IECEx.
NOTICE
Securing cables with dangerous voltage
Make sure that the connector cannot be released accidentally by pulling on the connecting
cable. Lay the cables in cable ducts or cable channels and secure the cables, where
necessary, with cable ties.
Safety notices on use in hazardous areas
General safety notices relating to protection against explosion
WARNING
EXPLOSION HAZARD
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
EXPLOSION HAZARD
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.
Connecting
6.1 Safety when connecting up
SCALANCE X-300
120 Operating Instructions, 11/2019, A5E01113043-24
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