SMA SUNNY ISLAND 4548-US Operating Manual page 20

2 Sunny Island 4548-US / 6048-US SMA Solar Technology America LLC
Split-Phase System, 240 Vac, up to 12 kW
2 Sunny Island of types SI 4548-US-10 / 6048-US-10.*
Three-Phase System, 120/208 Vac, up to 18 kW
3 Sunny Island of types SI 4548-US-10 / 6048-US-10.*
* The types SI 4548-US-10 / 6048-US-10 can be arbitrarily combined, also with older devices of type SI 5048U.
20 SI4548-6048-US-BE-en-21 Operating Manual