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SMA Sunny Boy 7.7-US Standard with integrated DC disco, 3-MPPT, AFCI 208/240VAC

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SKU: SB7.7-1SP-US-41

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 lineup of field-proven solar technology backed by the world's #1 service team, along with a wealth of improvements.

Feature Bullets

  • Value-Added Improvements: SunSpec certified technology for cost-effective module-level shutdown, Advanced AFCI compliant to UL 1699B for arc fault protection
  • Reduced Labor: 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: Shade Fix, SMA's proprietary shade management solution, optimizes at the string level, 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
  • SMA ShadeFix optimization offers superior energy production with a reduced component count versus traditional optimizers, which provides maximum reliability
  • Advanced AFCI compliant to new Standard UL 1699B Ed.1 for arc fault protection - delivering improved safety and reliability while allowing for automatic resetting
  • Streamline your business operations and provide added value to your customers with SMA Smart Connected


Type: Transformless Topology
Width: 21.1 in
Height: 28.5 in
Depth: 7.8 in
Maximum PV Power: 10905 Wp
Nominal Voltage: 208/240 V
Maximum DC Voltage: 600 V
AC Voltage: 183-229 V at 208 V, 211-264 V at 240 V
Maximum Output Amperage: 32 A at 208 V, 32 A at 240 V
Phase: 1
Power Rating: 6600 W at 208 V, 7680 W at 240 V
Efficiency: 97.3/97.5%
Enclosure Rating/IP Rating: NEMA 3R
Short Circuit Current: 18 A
Cooling Type: Fan
AC Grid Frequency: 50/60 Hz
Number of MPPT: 3
Power Factor: 1
Noise Emission: <45 dBA
Operating Temperature: -25 to 60 deg C
Operating Voltage: 100-550 V
Weight: 57 lb
Warranty: 10 Years
Standards: UL 1741, UL 1741 SA incl. CA Rule 21 RSD, UL 1998, UL 1699B Ed. 1, IEEE1547, FCC Part 15 (Class A & B), CAN/CSA V22.2 107.1-1, HECO Rule 14H, PV Rapid Shutdown System Equipment

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