SMA SC 500HE-20 Installation - Manual (Page 41)

SMA Solar Technology AG 9 AC and DC Connection
Installation Manual SCxxxHE-20-IA-IEN111210 41
9.4.4 Connecting cables with 2 terminal lugs
Only use the screws and nuts included in the scope of delivery for fastening terminal lugs and
connection lugs.
Figure 16: Assembly of the connection for 2 terminal lugs
• Always connect terminal lugs to connection lugs in the order specified above.
Position Description
A Screw M12
B Spring washer
C Fender washer
D1 Tin-plated 1-hole terminal lug
D2 Tin-plated 2-hole terminal lug
E Copper busbar
F Nut
D2
E
D2
B C B
C
A F
A
B C
B F
C
B C B
C
A F
D1
E
D1
B C B
C
A F