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Sunny Boy 3.0 inverter specifications
Mode 208 V 240 V
SMA Model Number 3.0-US
AC Nominal Power 3,000 Watts
Peak Efficiency 97.2% 97.6%
CEC Weighted Efficiency 96% 96.5%
Weight 57 lbs.
Width 21.1 in.
Height 28.5 in.
Depth 7.8 in.

SMA Sunny Boy 3.0-US Inverter

SKU sunny-boy-3.0
SMA Sunny Boy logo

SMA Sunny Boy 3.0-US Inverter w/ Secure Power Supply

  • Maximum power production with OptiTrac™ Global Peak
  • Secure Power Supply with 2,000 W of available backup power
  • Integrated DC disconnect
  • Installation Assistant with direct access via smartphone minimizes time in the field
  • Improved communication capabilities that remove the need to install additional equipment
  • Hundreds of stringing configurations
  • Multiple independent MPPTs

Sunny Boy 3.0 inverter review

Simple Installation w/ Integrated DC Disconnect & Installation Assistant

  • Installation Assistant with direct access via smartphone minimizes time in the field
  • Improved communication capabilities that remove the need to install additional equipment
  • Integrated DC disconnect that simplifies onsite logistics and eliminates the need to install a separate disconnect unit, speeding overall installation time

Leading Monitoring and Communications

  • Free Sunny Portal monitoring with global access
  • Large, informative graphic display for easy viewing
  • Available with plug-and-play Webconnect, eliminating the need for a WebBox or datalogger

Power Supply for Power Outages

The Secure Power Supply stores up to 2 kW of energy allowing you to do things like charge a cell phone or laptop, run a small light and more during a grid power outage.

NEC 2014 Compliant Rapid Shutdown Available

SMA's Rapid Shutdown Solution is the only fully integrated, NEC 2014 compliant, rapid shutdown to work with Secure Power Supply.

The Sunny Boy 3.0 sets the pace for UL certified inverters.

Its transformerless design means high efficiency and reduced weight. Maximum power production is derived from wide input voltage and operating temperature ranges. Multiple MPP trackers and OptiTrac™ Global Peak mitigate the effect of shade and allow for installation at challenging sites.

A unique Secure Power Supply feature provides daytime power even in the event of a grid outage. High performance, flexible design and an innovative feature set make the Sunny Boy series the first choice among professionals.

Sunny Boy 3.0 Accessories

5.0 Accessories

Simple Flexible Design The Sunny Boy 3.0-US provides a new level of flexibility in system design by offering:

  • Hundreds of stringing configurations
  • Multiple independent MPPTs
  • SMA’s proprietary OptiTrac™ Global Peak shade mitigation technology
  • Diverse application options including on- and off-grid compatibility

Streamlined Installation

  • Direct access via smartphone and utilization of SMA’s Installation Assistant, which minimizes time/labor spent in the field and speeds the path to commissioning
  • Improved communication capabilities that remove the need to install additional equipment
  • Integrated DC disconnect that simplifies onsite logistics and eliminates the need to install a separate disconnect unit, speeding overall installation time

Superior Service

  • Enhanced AFCI technology that improves resistance against false tripping while improving sensitivity in detecting real arcs, which greatly reduces unneeded service calls and increases safety
  • The new Sunny Boy’s two-part enclosure concept that separates the connection unit from the power unit, which allows for simple, expedited servicing
  • The #1 service team in the PV industry, as recognized by IMS research, with experience servicing an installed base of more than 40 GW

Power Supply for Grid Power Outages

The Sunny Boy 3.0 has Secure Power Supply functionality included. This groundbreaking feature that addresses the needs of grid-tied system owners during power outages. Secure Power Supply makes it possible for the inverter to provide up to 2,000 Watts of daytime standby power in the event of a grid outage for charging laptops, cell phones and more, without the need of additional, costly batteries.

A Certified and Safe Solution

  • UL 1741 and 1699B compliant
  • Integrated AFCI meets the requirements of NEC 2011 690.11

Our experienced, professional staff is just a phone call away for reviews or to order an SMA Sunny Boy 3.0 inverter.