Information On Use In Hazardous Areas According To Ul-Hazloc; Information On Use In Hazardous Areas According To Ul - Siemens SCALANCE S612 Commissioning And Hardware Installation Manual

Safety notices

2.4 Information on use in hazardous areas according to UL-Hazloc

2.4 Information on use in hazardous areas according to UL-Hazloc
Safety notices when using the device according to Underwriters Laboratories for Hazardous
Locations (UL-HazLoc)
If you use the device under UL-HazLoc conditions you must also keep to the following safety
notices in addition to the general safety notices for protection against explosion:
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.
2.5

Information on use in hazardous areas according to UL

Valid only in areas where NEC or CEC applies
Warning for areas subject to NEC or CEC:
Safety notice for connectors with LAN (Local Area Network) marking:
A LAN or LAN segment, with all its associated interconnected equipment, shall be entirely
contained within a single low-voltage power distribution and within a single building. The
LAN is considered to be in an "environment A" according IEEE802.3 or "environment 0"
according IEC TR 62102, respectively.
Never make direct electrical connection to TNV-circuits (Telephone Network) or WAN
(Wide Area Network).
10
WARNING
WARNING
Commissioning and Hardware Installation Manual, 05/2016, C79000-G8976-C266-06
SCALANCE S