Siemens SIMATIC ET 200iSP Operating Instructions Manual page 103

Enclosure for ET 200iSP in Zone 21
The ET 200iSP must be installed in a dust-proof (certified) enclosure with degree of protection
IP6X (according to directive 2014/34/EU for category 2D). Further requirements (surface
temperature, for example) can be found in the certification document for the enclosure. See
Appendix "Article numbers (Page 419)".
Remove dust deposits from the enclosure and its immediate environment at regular intervals; in
other words, always install the enclosure in a location with easy access for cleaning.
Figure 5-2
ET 200iSP
Operating Instructions, 11/2022, A5E00247483-AK
Enclosure for ET 200iSP in Zone 21
Installing
5.1 Installation rules
103