Siemens EK 720 Series Instructions d'exploitation télécharger pdf (Page 20)

Connection

5.1 Lightning protection, power supply and grounding

SCALANCE W760/W720

20 Operating Instructions, 03/2015, C79000-G8976-C322-04

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.

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Siemens EK 720 Series Instructions d'exploitation Page 20