Pollution Degree (Only 2) - Siemens SCALANCE X-300 Series Operating Instructions Manual

Installation

5.2 Pollution degree (only 2)

5.2 Pollution degree (only 2)
The device may only be operated in an environment of pollution degree class 2 (cf. IEC
60664-1).
The device is intended for indoor use only.
When used in hazardous environments corresponding to Class I, Division 2 or Class I, Zone
2, the device must be installed in a cabinet or a suitable enclosure.
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.
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 60 °C, only use cables with a permissible operating
temperature of at least 85 °C.
Safety notices when using according to IEC 61131-2
If you use the device supplied with 100 ... 240 V AC according to IEC 61131-2, you must
observe the following safety notices in addition to the general safety notices for protection
against explosion:
According to the requirements of the IEC 61131-2 standard and the EC directive 2006/95/EC
(Low Voltage Directive), the devices are "open equipment" and, in accordance with UL/CSA
certification, they are an "open type".
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WARNING
WARNING
WARNING
WARNING
WARNING
Operating Instructions, 11/2019, A5E01113043-24
SCALANCE X-300