Safety Notices - Siemens SCALANCE W778-1 Operating Instructions Manual

Safety notices

Read the safety notices
Note the following safety notices. These relate to the entire working life of the device.
You should also read the safety notices relating to handling in the individual sections,
particularly in the sections "Installation" and "Connecting up".
Hot surfaces
Electric devices have hot surfaces. Do not touch these surfaces. They could cause
severe burns.
• Allow the device to cool down before starting any work on it.
The device is intended for indoor use only.
Suitable cables at high ambient temperatures
If the temperature of the cable or housing socket exceeds 70 °C or the branching point
of conductors exceeds 80 °C, special precautions must be taken.
If the device is operated at ambient temperatures of between 50 °C and 70 °C, only
use cables with a maximum permitted operating temperature of at least 80 °C.
Safety notices on use in hazardous areas
General safety notices relating to protection against explosion
EXPLOSION HAZARD
DO NOT OPEN WHEN ENERGIZED.
SCALANCE W778-1 /W738-1
Operating Instructions, 07/2020, C79000-G8976-C450-06
WARNING
WARNING
WARNING
WARNING
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