3KW Sunny Boy Inverter


The Sunny Boy 3000-US, 3800-US and 4000-US inverters are specially designed for countries that require UL certification. Automatic grid voltage detection* and an integrated DC disconnect switch simplifies installation, ensuring safety as well as saving time. These models feature galvanic isolation and can be used with all types of modules-crystalline as well as thin-film. The die-cast aluminum enclosure, with the OptiCool active temperature management system, guarantees the highest yields possible and a long service life, even under extreme conditions. The Sunny Boy 3800-US is designed for projects with a current limit of 16A.

  • For countries that require UL certification (UL 1741/IEEE 1547)
  • Optional integrated AFCI functionality meets the requirements of NEC 2011 690.11
  • 96.8% peak efficiency
  • OptiCool™ active temperature management system
  • Galvanic isolation
  • Patented automatic grid voltage detection*
  • Integrated DC disconnect switch
  • Compliant with ARRA "Buy American" clause