Safety instructions
2.3 Important notes on using the device in hazardous areas
SCALANCE X-300
14 Compact Operating Instructions, 05/2016, A5E00982643-14
Important notes on using the device in hazardous areas
WARNING - EXPLOSION HAZARD -
DO NOT DISCONNECT WHILE CIRCUIT IS LIVE UNLESS AREA IS KNOWN TO BE
NON-HAZARDOUS.
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.
Restricted area of application
This equipment is suitable for use in Class I, Zone 2, Group IIC or non-hazardous locations
only.
Note
Safety extra-low voltage
The supply of the devices by PELV (Protective Extra Low Voltage) according to DIN VDE
0100
-410 or IEC 60364-4-41 is permitted when the generated nominal voltage does not
exceed the voltage limits 25 VAC or 60
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