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SMA Sunny Boy SB3.0-1SP-US-41 3kW Inverter

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  • SMA Sunny Boy SB3.0-1SP-US-41 3kW Inverter
57.00 LBS

 Product Description

SMA 3kW String Inverter - SB3.0-1SP-US-41

SMA America, Non-Isolated String Inverter, 3000W, 208/240 VAC, Two MPPT Circuits, SPS, SB3.0-1SP-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.

General Information  
Manufacturer: SMA America
Product Line:
Sunny Boy
Model ID:
Certifications and Safety Ratings: ul.jpg ieee.jpg fcc.jpg csa.jpg


Mechanical Data
Technology: String Inverter
21.10 x 28.50 x 7.80 inches
Weight: 57.00 lbs
Operating Temperature Range:
-25 to +60°C
Noise Emission (Typical): < 39 dB(A)
Internal Power Consumption at Night: <5 W
Topology: Transformerless
Cooling Concept: Convection
Certifications: UL 1741, UL 1741 SA incl. Rule 21 RSD, UL 1998, UL 1699B, IEEE1547, FCC Part 15 (Class A & B), CAN/CSA V22.2 107.1-1, HECO SRD-UL-1741-SA-V1.1


Electrical Data
Max. PV Power: 4260 Wp
Max. DC Voltage: 600V
Rated MPPT Voltage Range: 155V - 480V
MPPT Operating Voltage Range:
100V - 550V
Min. DC Voltage/Start Voltage:
100V / 125V
Max. Operating Input Current per MPPT: 10 Amps
Max. Short Circuit Current per MPPT: 18 Amps
Number of MPPT Tracker/String per MPPT Tracker: 2/1
AC Nominal Power: 3000W @208V; 3000W @240V
Max. AC Apparent Power: 3000VA @208V; 3000VA @240V
Nominal Voltage/Adjustable: 208V/240V
AC Voltage Range: 183-229V @208V; 211-264V @240V
AC Grid Frequency: 60Hz/50Hz
Max. Output Current: 14.5A @208V/12.5A @240V
Power Factor: 1
Output Phases/Line Connections: 1/2
Harmonics: <4%
Max. Efficiency: 97.2% @208V; 97.6% @240V
CEC Efficiency: 96.0% @208V; 96.5% @240V

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