Installing and removing
5
5.1 Safety during installation
Safety notices
When installing the device, keep to the safety notices listed below.
NOTICE
Improper mounting
Improper mounting may damage the device or impair its operation.
• Before mounting the device, always ensure that there is no visible damage to the device.
• Mount the device using suitable tools. Observe the information in the respective section
about mounting.
WARNING
If a device is operated in an ambient temperature of more than 40 °C, the temperature of the
device housing may be higher than 70 °C. The device must therefore be installed so that it is
only accessible to service personnel or users that are aware of the reason for restricted access
and the required safety measures at an ambient temperature higher than 40 ℃.
WARNING
If the device is installed in a cabinet, the inner temperature of the cabinet corresponds to the
ambient temperature of the device.
Note
The device is intended for stationary operation only.
Safety notices on use in hazardous areas
General safety notices relating to protection against explosion
WARNING
EXPLOSION HAZARD
Replacing components may impair suitability for Class 1, Division 2 or Zone 2.
SCALANCE XR-300
Operating Instructions, 03/2023, C79000-G8976-C586-02 43
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