Siemens SCALANCE X-100 Commissioning Manual page 10

Introduction
2.1 Introduction
Warning
When used under hazardous conditions (zone 2), the devices of the SCALANCE X-100 and
SCALANCE X-200 product lines must be installed in an enclosure.
To comply with ATEX100a (EN 50021), this enclosure must meet the requirements of at
least IP54 in compliance with EN 60529.
WARNING - EXPLOSION HAZARD: DO NOT CONNECT OR DISCONNECT EQUIPMENT
UNLESS AREA IS KNOWN TO BE NONHAZARDOUS.
Note
The specified approvals apply only when the corresponding mark is printed on the product.
2-2
Industrial Ethernet SCALANCE X-100 and SCALANCE X-200 Product Line
Commissioning Manual, 1,