SMA SC 400HE Installation - Manual (Page 82)

External Connections SMA Solar Technology AG
82 SCxxxHE-IEN104432 Installation Guide
The bore holes for the minus pole are housed in the busbar on the DC side.
The bore holes for the plus pole are housed on the lower edge of the rail which is connected to the
busbar of DC+ and the EMC filter.
Connecting Sunny Main Boxes
DANGER!
Death or serious injuries. Risk of electric shock when touching the DC cable
attached to the PV generator.
• Cover the PV modules.
• Follow all safety instructions of the module manufacturer.
• Disconnect the Sunny Central.
L-
L-
L-
M3-810 M3-810 M3-810 M3-810
L+ L-
L-
L-
L-
M3-810 M3-810 M3-810 M3-810
L+ L-