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SMA Sunny Boy SB3.8-1SP-US-41 3.8kW Inverter

by SMA America

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1 vendors from $1,191.70


MPN: SB3.8-1SP-US-41

SHIPPING: Calculated at Checkout


SMA America, Non-Isolated String Inverter, 3800W, 208/240 VAC, Two MPPT Circuits, SPS, SB3.8-1SP-US-41

The residential PV market is changing rapidly, and we understand that your bottom line matters more than ever. That’s why we’ve designed a superior residential solution that will help you decrease costs throughout all stages of your business model.

California Rule 21 compliance is fast and easy! Check the Downloads tab for configuration files

The Sunny Boy-US series features a wealth of improvements and joins SMA’s lineup of field-proven solar technology backed by the world’s #1 service team. The world’s first Secure Power Supply now delivers up to 2,000 W of opportunity power when the grid goes down and the sun is shining. Installation has never been easier thanks to SMA’s Installation Assistant, direct access via smartphone, and integrated DC disconnect.

The Sunny Boy’s multiple independent input channels, each with SMA’s OptiTrac™ Global Peak, mean hundreds of stringing configurations for flexible system design while solving the challenges of complex roofs and shading. Additional efficiencies are achieved with SMA’s new Smart Connected technology, which simplifies service, reduces costly truck rolls and can help installers provide stellar customer service.


  • Value-Added Improvements - Superior integration with SMA's MLPE Power+ Solution. World's first Secure Power Supply now offers up to 2000W. Full grid management capabilities ensure a utility compliant solution for any market.

  • Unmatched Flexibility - 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.

  • Reduced Labor and Trouble-Free Service - 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. Two-part enclosure concept allows for simple, expedited servicing. Equipped with SMA Smart Connected, a proactive service solution that is integrated into Sunny Portal.

Product Information
  • Manufacturer: SMA America
  • Area: 18.02 Sq. Ft. (1.67 Sq. m)
  • Width: 21-1/9" (535 mm)
  • Height: 28-1/2" (730 mm)
  • Length: 70"
  • Weight: 57 Lbs. (26 Kg)
  • Weight: 57.00 lbs
  • Thickness: 0.04"
  • Topology: Transformerless
  • Dimensions: 6-1/4" x 9" x 2-3/4"
  • Harmonics: <4%
  • Dimensions: 21.10 x 28.50 x 7.80 inches
  • Technology: String Inverter
  • Base Material: Steel
  • Power Factor: 1
  • Max. PV Power: 5396 Wp
  • Pieces per Box: 12
  • CEC Efficiency: 96.5% @208V; 96.5% @240V
  • Certifications: UL 1741, UL 1998, UL 1699B, IEEE1547, FCC Part 15 (Class A & B), CAN/CSA V22.2 107.1-1
  • Warranty Length: 25-Year Limited Warranty
  • Cooling Concept: Convection
  • Max. DC Voltage: 600V
  • Max. Efficiency: 97.2% @208V; 97.5% @240V
  • Power Tolerance: 0 / +5 W
  • AC Nominal Power: 3330W @208V; 3800W @240V
  • AC Voltage Range: 183-229V @208V; 211-264V @240V
  • AC Grid Frequency: 60Hz/50Hz
  • Module Efficiency: 19.27%
  • Applicable Standards: UL Classified Rapid Shutdown Certified IEEE1547 FCC Part 15 (Class A & B) CAN/CSA V22.2 107.1-1 HECO Rule 14H
  • Max. Output Current: 16.0A @208V/16.0A @240V
  • Max Series Fuse Rating: 20 Amps
  • Max. AC Apparent Power: 3330VA @208V; 3800VA @240V
  • Maximum System Voltage: 1500V (IEC) or 1000V (IEC/UL)
  • Module Fire Performance: Type1 (UL 1703) or Class C (IEC 61730)
  • Noise Emission (Typical): < 39 dB(A)
  • Rated MPPT Voltage Range: 195V - 480V
  • Application Classification: Class A
  • Nominal Voltage/Adjustable: 208V/240V
  • Open Circuit Voltage (Voc): 43.40 Volts
  • Operating Temperature Range: -25 to +60°C
  • Short Circuit Current (Isc): 9.58 Amps
  • MPPT Operating Voltage Range: 100V - 550V
  • Nominal Maximum Power (Pmax): 325 Watts
  • Min. DC Voltage/Start Voltage: 100V / 125V
  • Output Phases/Line Connections: 1/2
  • Optimum Operating Current (Imp): 9.09 Amps
  • Optimum Operating Voltage (Vmp): 35.80 Volts
  • Internal Power Consumption at Night: <5 W
  • Max. Short Circuit Current per MPPT: 18 Amps
  • Max. Operating Input Current per MPPT: 10 Amps
  • Number of MPPT Tracker/String per MPPT Tracker: 2/1
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SMA Sunny Boy SB3.8-1SP-US-41 3.8kW Inverter

SMA Sunny Boy SB3.8-1SP-US-41 3.8kW Inverter

by SMA America

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SMA Sunny Boy SB3.8-1SP-US-41 3.8kW Inverter

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