Electric shock caused by dangerous auxiliary voltages
Danger voltages are still present even after shutdown. Touching live parts can result in death
or serious injury.
● Carefully comply with the 5 safety rules.
Danger caused by arcing
Hazards caused by arcing can occur as result of the following factors, for example:
Input currents above the permissible limits, incorrectly dimensioned circuit breakers or
transformers, incorrectly connected or unconnected cables, dirt, objects that have been
forgotten, e.g. tools used for installation.
Arcing can result in death, serious injury or material damage.
● As system operator, carefully ensure that the system has been professionally designed and
dimensioned.
● Correctly connect the power cables. The maximum permissible input currents are listed in
the "Technical specifications".
● Remove contamination and dirt.
● After installation and mounting, carefully check that no objects have been left in the device.
Burns caused by fire escaping from the pressure relief flaps
Fire can escape through the pressure relief flaps if arcing occurs. Persons who are on the roof
section of the drive can suffer severe burns. Objects that are on the roof section of the drive can
catch fire or be flung into the room. Death, serious injury or material damage can result.
● Never climb on the drive. Never place any objects on the roof section of the drive.
Danger due to live stationary parts, moving or rotating parts
Contact with the parts mentioned can result in death, serious physical injury or damage to
property.
● Observe the instructions regarding installation and operation.
● Always take protective measures before touching any components.
● Do not remove any covers.
Risk of burns due to hot component surfaces
Certain components (e.g. the heat sink and reactor) can become very hot during operation.
These components can remain hot for a long time after operation. Severe skin injuries (burns)
can result when coming into contact with these components.
● After the device has been shut down, do not touch any hot components.
Safety instructions
2.4 Safe handling
SINAMICS PERFECT HARMONY GH150 6SL3825
Operating Instructions 05/2020 17
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