Siemens SCALANCE W774-1

Connection
5.1 Lightning protection, power supply and grounding
SCALANCE W774-1 /W734-1
38 Operating Instructions, 01/2017, C79000-G8976-C325-08
General notes on use according to ATEX and IECEx
WARNING
EXPLOSION HAZARD
DO NOT CONNECT OR DISCONNECT EQUIPMENT WHEN A FLAMMABLE OR
COMBUSTIBLE ATMOSPHERE IS PRESENT.
General notes on use in hazardous areas according to UL-HazLoc
WARNING
EXPLOSION HAZARD
DO NOT DISCONNECT WHILE CIRCUIT IS LIVE UNLESS AREA IS KNOWN TO BE
NON-HAZARDOUS.
This equipment is suitable for use in Class I, Division 2, Groups A, B, C and D or non-
hazardous locations only.
This equipment is suitable for use in Class I, Zone 2, Group IIC or non-hazardous locations
only.