Siemens SINAMICS DCM Operating Instructions Manual page 105

All connection work must be carried out while the cabinet is de-energized. Failure to
connect correctly can lead to damage or destruction.
The unit must be installed in accordance with safety regulations (e.g. EN, DIN, or VDE) as
well as all other applicable national or local regulations. Grounding, conductor
dimensioning, and the relevant short-circuit protection work must be carried out correctly in
order to ensure operational safety.
Failure to observe this warning information can result in death, serious physical injury, or
extensive material damage.
SINAMICS DCM Control Module
Operating Instructions, 06.2010, C98130-A7067-A1-02-7619
WARNING
6.10 Parallel connection of power units
Connecting
105