Siemens CP 1542SP-1 - Notes on Use in Hazardous Areas

Installation and connecting up
3.1 Important notes on using the device
CP 1542SP-1, CP 1542SP-1 IRC, CP 1543SP-1
Operating Instructions, 01/2017, C79000-G8976-C426-03
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3.1.2
Notes on use in hazardous areas according to ATEX / IECEx
WARNING
Requirements for the cabinet/enclosure
To comply with EU Directive 94/9 (ATEX95), the enclosure or cabinet must meet the
requirements of at least IP54 in compliance with EN 60529.
WARNING
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.
WARNING
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).
3.1.3
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.