3
Product Description
3.1
Sunny Boy
The Sunny Boy is a transformerless PV inverter with three MPP trackers, which converts the direct
current of the PV array into grid-compliant alternating current and feeds it into the utility grid.
Figure 1: Design of the Sunny Boy
Position
Designation
A
Power Unit
B
Enclosure lid of the Power Unit
C
Enclosure lid for the Connection Unit
D
Connection Unit
E
DC load-break switch
The inverter is equipped with a DC load-break switch. If the DC load-break switch is
set to the position
I
, it establishes a conductive connection between the PV array
and the Power Unit. Switching the DC load-break switch to the
O
position will inter-
rupt the DC electric circuit.
3 Product Description
SMA Solar Technology America LLC
User Manual
11
SB5.0-6.0-1SP-US-40-BA-en-10