SMA SC 400HE Installation - Manual (Page 52)

External Connections SMA Solar Technology AG
52 SCxxxHE-IEN104432 Installation Guide
Connection Sequence for AC Connection
NOTICE!
Operational reduction of the Sunny Central due to faulty connection!
When connecting the power cables, the following connection sequence must be observed:
1. Screw
2. Spring washer
3. Washer
4. Terminal lug
5. Copper-clad aluminum washer
6. Connection point for copper bar
• Copper-clad aluminum washer, if
required
• Terminal lug, if required
7. Washer
8. Spring washer
9. Nut