Safety instructions
1.1 Important notes on using the device in hazardous areas
SCALANCE X-300
16 Operating Instructions, 02/2012, A5E01113043-12
1.1 Important notes on using the device in hazardous areas
WARNING
WARNING - EXPLOSION HAZARD -
DO NOT DISCONNECT WHILE CIRCUIT IS LIVE UNLESS AREA IS KNOWN TO BE
NON-HAZARDOUS.
WARNING
Restricted area of application
This equipment is suitable for use in Class I, Division 2, Groups A, B, C and D or non-
hazardous locations only.
WARNING
Restricted area of application
This equipment is suitable for use in Class I, Zone 2, Group IIC or non-hazardous locations
only.
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.
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