Siemens SCALANCE X-200 Series Compact Operating Instructions page 74

Installation
4.1 Installation
74
WARNING
If the IE switches
 SCALANCE X208
 SCALANCE X204 IRT PRO
 SCALANCE X202-2P IRT PRO
 SCALANCE X201-3P IRT PRO
are operated in ambient temperatures between 65°C and 70°C, the temperature of the
IE switch housing may be higher than 70°C.
The subject unit must be located in a Restricted Access Location where access can only
be gained by SERVICE PERSONNEL or by USERS who have been instructed about
the reasons for the restrictions applied to the location and about any precautions that
shall be taken when operated in an air ambient of 65-70°C.
WARNING
If temperatures in excess of 70 °C occur on cables or at cable feed-in points, or the
temperature at the branching point of the cables exceeds 80 °C, special measures need
to be taken. If the equipment is operated at an ambient temperature of 50 °C - 60 °C,
use cables with a permitted ambient temperature of at least 80 °C.
Compact Operating Instructions, 12/2010, A5E00813159-11
SCALANCE X-200