Sunny Boy 3.0-US / 3.8-US / 5.0-US / 6.0-US / 7.0-US / 7.7-US

Power with a purpose

The residential PV market is changing rapidly. Your bottom line matters more than ever—so we’ve designed a superior residential solution to help you decrease costs at every stage of your business operations. The Sunny Boy 3.0-US/3.8- US/5.0-US/6.0-US/7.0-US/7.7-US join the SMA line-up of field-proven solar technology backed by the world’s #1 service team, along with a wealth of improvements. Simple design, improved stocking and ordering, value-driven sales support and streamlined installation are just some of the ways that SMA helps your business operate more efficiently. And, Sunny Boy’s superior integration with the innovative Power+ Solution means installers have even more flexibility in addressing their toughest challenges. Finally, SMA Smart Connected will automatically detect errors and initiate the repair and replacement process so that installers can reduce service calls and save time and money.

Value-Added Improvements

  • SunSpec compliant technology for cost-effective module-level shutdown

  • Advanced AFCI compliant to UL 1699B for arc fault protection

  • World’s first Secure Power Supply* now offers up to 2,000 W

    Reduced Labour

    • New Installation Assistant with direct access via smartphone minimizes time in the field

    • Advanced communication interface with fewer components creates 50% faster setup and commissioning

    Unmatched Flexibility

    • SMA’s proprietary OptiTrac™ Global Peak technology mitigates shade with ease

    • Multiple independent MPPTs accommodate hundreds of stringing possibilities

    Trouble-Free Logistics

    • Integrated wall mount bracket speeds installation and simplifies logistics

    • Equipped with SMA Smart Connected, a proactive service solution that is integrated into Sunny Portal


    The SMA Power+ Solution combines legendary SMA inverter performance and intelligent DC module-level electronics in one cost-effective, comprehensive package. This means that you can achieve maximum solar power production for your customers while also realizing significant installation savings.


    This rapid shutdown solution fulfills UL 1741, NEC 2014, and NEC 2017 requirements and is compatible with the power line-based SunSpec Rapid Shutdown communication signal over DC wires, making it the most simple and cost-effective rapid shutdown solution on the market.


    Data sheet