Assembling
4.3 Suitable cables for temperatures in excess of 70 C (ATEX)
SCALANCE X-300
36 Compact Operating Instructions, 05/2016, A5E00982643-14
Safety notices for use according to ATEX and IECEx
If you use the device under ATEX or IECEx conditions you must also keep to the following
safety notices in addition to the general safety notices for protection against explosion:
To comply with EC Directive 2014/34/EU (ATEX 114) or the conditions of IECEx, this
enclosure or cabinet must meet the requirements of at least IP54 in compliance with EN
60529.
Suitable cables for temperatures in excess of 70 °C (ATEX)
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.
Suitable cables for temperatures above 70 °C - cable 50 °C - 70 °C
(ATEX)
If the temperature of the cable or housing socket 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 to 70 °C, only use cables with a permitted operating
temperature of at least 80 °C.
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