Safety instructions
SCALANCE X-300
Operating Instructions, 10/2010, A5E01113043-10
15
Note on devices with power supply 100 to 240 V AC
DANGER
Danger from line voltage
Devices with this mark have a 100 to 240 V AC power supply.
This product 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 approval.
Devices with a 100 to 240 V AC power supply are not approved for use in hazardous areas
according to EC-RL-94/9 (ATEX).
CAUTION
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 requirements for installation
According to the IEC 61131-2 standard and therefore in accordance with the EU directive
2006/95/EC (Low Voltage Directive), the devices are "open equipment" and in accordance
with UL/CSA certification, they are an "open type".
To fulfill requirements for safe operation with regard to mechanical stability, flame
retardation, stability, and shock-hazard protection, the following alternative types of
installation are specified:
● Installation in a suitable cabinet.
● Installation in a suitable enclosure.
● Installation in a suitably equipped, enclosed control room.
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