SMA SC 400HE Installation - Manual (Page 43)

SMA Solar Technology AG Internal Electrical Connections
Installation Guide SCxxxHE-IEN104432 43
Example PE connection between the switch cabinets of the Sunny Central
Check the grounding connection
When connecting the grounding connection, make sure that the screws are securely
positioned.
Position of the PE rail
Due to the design, the exact position of the PE rail is next to the fuse strip in the DC cabinet
and behind the sinusoidal filter in the AC cabinet. The exact position of the PE rail can be
determined with the help of the equipment identifier and the provided circuit diagram.
L-
L+
L-
L+
L-
L+
M3-810 M3-810 M3-810
L+ L-
PE