SMA SC 500HE-20 Installation - Manual (Page 40)

9 AC and DC Connection SMA Solar Technology AG
40 SCxxxHE-20-IA-IEN111210 Installation Manual
9.4.3 Connecting cables with 1 terminal lug
Only use the screws and nuts included in the scope of delivery for fastening terminal lugs and
connection lugs.
Figure 15: Assembly of the connection for 1 terminal lug
• Always connect terminal lugs to connection lugs in the order specified above.
Position Description
A Screw M12
B Spring washer
C Fender washer
D Copper busbar
E1 Tin-plated 1-hole terminal lug
E2 Tin-plated 2-hole terminal lug
F Nut
E2
D
A B
C
B F
A
B
C C
B
F
C
A
B
C C
B
F
E1
D
A
B
C C
B
F