SMA SUNNY BOY 4000US Inverter


  • $1,595.00

Why these inverters are a great value:

  • These are NEW OLD STOCK, A quality products in factory sealed boxes.
  • USA Manufacturing, German engineering and superior design. (ARRA Compiant).
  • Sunny Boy Inverters are the most popular solar inverter in the world for over two decades.
  • Exceptional real world efficiencies make Sunny Boy the top choice for solar designers and installers.
  • These inverters are among the most reliable design SMA has ever built.
  • Several communication options are available.
  • The purchase price cannot be beat!


SUNNY BOY DC Disconnect sold seperate (may not be necessary if replacing an older Sunny Boy inverter.  The old existing DC disconnect MAY BE USED)

These inverters DO NOT include AFCI.  Check with your local building department to see if this is required in your local area.

Click Here to Download Spec Sheet



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