Installing
3
3.1 Basic safety notes
WARNING
Open equipment
The devices are "open equipment" according to the standard IEC 61010-2-201 or UL
61010-2-201 / CSA C22.2 No. 61010-2-201. To fulfill requirements for safe operation with
regard to mechanical stability, flame retardation, stability, and protection against contact, the
following alternative types of installation are specified:
● Installation in a suitable cabinet.
● Installation in a suitable enclosure.
● Installation in a suitably equipped, enclosed control room.
3.1.1 ATEX/IECx special conditions for use
WARNING
Incorrect installation
Risk of explosion in the hazardous area. For use in hazardous areas according to Class I,
Division 2 or Class I, Zone 2 or for use in the EU according to ATEX 2014/34/EU, observe the
following conditions:
● Install the device in a control cabinet or enclosure.
● The control cabinet or enclosure meets at least the requirements of IP54 according to IEC/
EN 60079-7 and pollution degree 2 or better according to IEC/EN 60664-1.
Note
You must not install the device on a wall in hazardous areas.
WARNING
Transient overvoltages
Take measures to ensure that temporary transient overvoltages of more than 119 V do not
occur.
Technology module TM SIWAREX WP351 HF
Operating Instructions, 01/2020, A5E47521010-AA 17
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