SMA SC 400HE Installation User Manual
Page 78
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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
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