SMA SC 400HE Installation - Manual (Page 44)

Internal Electrical Connections SMA Solar Technology AG
44 SCxxxHE-IEN104432 Installation Guide
5.3 Connecting the Control Cables on the Transfer Terminal Strip
Most control cables that have to be connected between the switch cabinets are connected to the
transfer terminal strips via plugs. The transfer terminal strip is located in the AC cabinet on the
mounting plate that is oriented toward the inverter cabinet. The cable bundles to be plugged in are
labeled with their destination.
Example transfer terminal strip between the switch cabinets of the Sunny Central
Check the cabling
When connecting the control lines, the correct sequence and the appropriate colors of the
insulated conductors have to be observed. The plugs are sequentially numbered.
Position of the transfer terminal strips
The exact position of the transfer terminal strips can be determined with the help of the
equipment identifier and the provided circuit diagram.