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SMA Sunny Island SI-6048-US Inverter

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Sunny Island 6048-US | The efficient off-grid manager:
The SMA Sunny Island 6048-US-10 inverters is based on proven off grid technology and feature industry leading power output. A maximum efficiency of 96 percent ensures peak production, which results in reduced diesel usage in rural communities. More flexible sizing allows for simplified system planning. And, with multi-cluster technology, up to 12 Sunny Islands can be integrated into off-grid power systems up 110 kW in size.

The Sunny Island is a bidirectional inverter (battery inverter and battery charger) for off-grid systems. The Sunny Island supplies loads on the stand-alone grid side and charges the batteries with the energy from grid-feeding units connected on the AC side.

SMA SUNNY ISLAND 6048-US-10 6000W 48V Off-Grid Inverter Smartformer Compatible

• Sunspec Certified

Maximum efficiency 96%
CEC efficiency of 94.5%
Charge level calculation
Intelligent battery management


Easy commissioning with the "Quick Configuration Guide"
Complete off-grid management
Excellent for grid-tied battery back up


For Sunny Island systems from 2 kW to 100 kW
Single, 120/240 split-phase and three-phase operation, connectable in parallel and modularly expandable


Extreme overload capability
OptiCool™ active temperature management system
5-year standard warranty


  • Manufacturer: SMA
  • Model: SI6048-US-10
  • Rated Power Output [W]: 6000
  • Length [mm (in)]: 612 mm (24.1 in)
  • Width [mm (in)]: 467 mm (18.4 in)
  • Depth [mm (in)]: 235 mm (9.3 in)
  • Weight [kg (lb)]: 63 kg (139 lbs)
  • Wormanship Warranty Period [Years]: 5

Surge/Lightning Protection



      • Inverter Type: Off-Grid String Inverter
      • Maximum/Peak Efficiency [%]: 96% / 94%
      • Nom. DC Voltage [V]: 48 V / 41 V - 63 V
      • AC Power Rating [W]: 5750 W
      • Nominal AC Power [W]: 6000
      • Max. AC Power [W]: 6.7kW
      • AC voltage range [V]: 105 V – 132 V
      • AC grid frequency [Hz]: 60
      • Max. output current [A]: 48 A / 180 A for approx. 60 ms
      • Sleep (Night) Consumption [W]: 25 W
      • Standby Consumption [W]: 4 W
      • NEMA Enclosure Rating: indoors (NEMA 1)
      • Cooling Method: OptiCool
      • Ambient Temperature Range [°C(°F)]: -25°C - 45°C (-13°F - 113°F)
      • Display: Internal 2
      • Communication: RS485/Bluetooth optional
      • Basic Warranty [Years]: 5
      • AC grid range [Hz]: 54 Hz - 66 Hz

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