Siemens SIMATIC NET SCALANCE W720 Manuale di istruzioni per l'uso - Pagina 18
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Connection
5.1 Lightning protection, power supply and grounding
General notes on use in hazardous areas according to UL-HazLoc
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.
18
WARNING
Operating Instructions, 03/2015, C79000-G8976-C322-05
SCALANCE W760/W720