SMA SUNNY ISLAND 4548-US Operating Manual page 19

SMA Solar Technology America LLC
Single-Phase System, 120 Vac, up to 6 kW:
• 4.5 kW with SI 4548-US-10
• 6 kW with SI 6048-US-10
Single-Phase Parallel System, 120 Vac, up to 18 kW:
Maximum 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.
Operating Manual
2 Sunny Island 4548-US / 6048-US
SI4548-6048-US-BE-en-21 19