Product Description; Sunny Boy - SMA SUNNY BOY 3.0-US Instructions D'installation

SMA Solar Technology America LLC
4 Product Description
4.1

Sunny Boy

The Sunny Boy is a transformerless PV inverter which converts the direct current of the PV array to
grid-compliant alternating current and feeds it into the utility grid.
Figure 2 : 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.
Installation Manual
4 Product Description
SB30-77-1SP-US-40-IA-xx-13 13