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SMA, SB 7.7-US, Non-Isolated String Inverter

7680W, 208/240VAC, Three MPPT Circuits, SPS

The all new Sunny Boy Residential String Inverter - Three MPPT Circuits, allowing one string to each, flexible string sizing. Secure power supply 2000W. Integrated DC Disconnect Integrated WiFi or Wired datalogger and output to Sunny Portal.

  • Transformerless for higher efficiency and lighter weight
  • Reduce effects of partial system shading with OptiTrac™
  • Secure Power Supply (SPS) provides daytime power if grid goes down

  • Sunny Boy 7.7-US comes with a Secure Power Supply provides daytime power during grid outages.

    The built in LCD screen allows the user to view up-to-the-minute system information and important events or error messages.

    By incorporating new transformerless technology, SMA has extended the operating temperature range increasing daily production.

    Features and General Information:

    • Transformerless topology reduces weight while increasing efficiency
    • Secure Power Supply (SPS) for daytime power supply during a grid failure
    • Improved efficiency up to 96.8%
    • Dual Maximum Power Point Tracking allowing more system configurations
    • Built-in LCD output display
    • Free Sunny Portal monitoring with global access
    • Integrated fused series string combiner
    • Comprehensive SMA communications and data collection options
    • Ideal for residential or light commercial applications
    • Rugged cast aluminum outdoor rated enclosure
    • Wall mounting plate with anti-theft lock
    • Dimensions (LxWxH): 21.1 × 28.5 × 7.8 inches (535 x 730 x 198 mm)
    • Weight: 57 lbs


    • UL 1741, UL 1998, UL 1699B, IEEE1547, FCC Part 15 (Class A & B), CAN/CSA V22.2 107.1-1

    Protection Features:

    • Isolation monitoring
    • Surge voltage protection
    • Interruption protection
    • LED indicator for malfunction
    • Ground fault protection
    • Rugged outdoor enclosure
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      SMA BS 7.7-US MPPT String Inverter

      • $2,462.99

      Tags: SMA, sunny boy, inverter, gti, MPPT