Notes On Use In Hazardous Areas According To Atex / Iecex; Notes On Use In Hazardous Areas According To Ul Hazloc - Siemens CM 1542-5 Operating Instructions Manual

Installation, connecting up, commissioning, operation
3.1 Important notes on using the device
3.1.2

Notes on use in hazardous areas according to ATEX / IECEx

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.
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).
3.1.3

Notes on use in hazardous areas according to UL HazLoc

EXPLOSION HAZARD
You may only connect or disconnect cables carrying electricity when the power supply is
switched off or when the device is in an area without inflammable gas concentrations.
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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WARNING
WARNING
WARNING
WARNING
Operating Instructions, 11/2018, C79000-G8976-C290-04
CM 1542-5