SMA Sunny Boy 3000US - Page 34

AC Voltage Configuration Automatic Grid Voltage Detection
4-4 SMA America SB3000US-4000US-11-SE1607
The figure Figure 4-2 below illustrates commonly used transformer types.
Remember, when connecting the Sunny Boy to the utility, the phase relationship is
not important, but the voltage must be compatible.
Figure 4-2 Common Utility Voltage Configurations