SMA SC 400HE Installation - Manual (Page 78)

External Connections SMA Solar Technology AG
78 SCxxxHE-IEN104432 Installation Guide
8. Fasten the DC cables to the busbars.
Connection of aluminum terminal lug
If aluminum terminal lugs are used for connection to the copper bar, refer to notes in
chapter 6.1 ”Connecting High-Current Contacts” (page 50).
NOTICE!
Operational reduction of the Sunny Central due to faulty connection!
Configuration of the components for connection
(from back to front):
1. Screw
2. Spring washer
3. Washer
4. Terminal lug
5. Conductor rail
6. Washer
7. Spring washer
8. Nut