Notices On Use In Hazardous Areas According To Ul Hazloc - Siemens SIMATIC NET CP 443-1 Advanced Manual
S7-400 - industrial ethernet
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Cable
If the cable or conduit entry point exceeds 70 °C or the branching point of conductors
exceeds 80 °C, special precautions must be taken. If the equipment is operated in an air
ambient in excess of 50 °C, only use cables with admitted maximum operating temperature
of at least 80 °C.
Take measures to prevent transient voltage surges of more than 40% of the rated voltage.
This is the case if you only operate devices with SELV (safety extra-low voltage).
5.1.3
Notices 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.
CP 443-1 Advanced (GX30)
Manual, 03/2019, C79000-G8976-C256-05
WARNING
WARNING
WARNING
Installation and commissioning
5.1 Important notes on using the device
55
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