SMA SUNNY BOY 3.0 - Page 37

6 Electrical Connection
SMA Solar Technology AG
Operating manual SBxx-1AV-41-BE-en-12 37
You have the option of operating the DC inputs A and B in parallel, and therefore of connecting
several strings to the inverter.
+ A − + B −
+
−
A
B
+
−
+
_
+
_
+
_
+
_
Figure 9: Connection overview for normal operation
+ A − + B −
+
−
A
B
+
−
+
_
+
_
+
_
+
_
Figure 10: Connection overview for parallel connection of the DC inputs A and B