SMA Sunny Boy 5.0-1SP-US-41 5kW Solar Inverter

SMA Sunny Boy 5.0-1SP-US-41 5kW Solar Inverter

  • Supplier Part No: SB-5.0-1SP-US-41
  • Rated Power: 5,000 W
  • Phase: 1
  • Works during blackouts / grid failure
  • Direct access through your Smartphone
  • The SMA Sunny Boy SB5.0-1TP-US-41 5kW Solar Inverter comes with 10 year guarantee (extension possible)


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The SMA Sunny Boy 5.0-1SP-US-41 5kW Solar Inverter series features a wealth of improvements. The SMA 5.0-US inverter features several improvements over the previous generation of Sunny Boy inverters including a wider voltage input window, three independent MPPT inputs, direct smartphone access and a Secure Power Supply. The 5.0-US inverter offers an industry-leading 100 volts DC minimum system voltage which means it will work with shorter PV strings and produce more power.

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.

Buy SMA Sunny Boy 5.0-1SP-US-41 5kW Solar Inverter

This is the first grid-tied inverter from SMA to offer direct access via a smartphone. The SMA 5.0-US also includes an integrated DC disconnect switch with each inverter.

Unlimited flexibility with SMA Sunny Boy

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.

What is SMA Smart Connected?

However infrequent they occur, service calls can be lengthy, unnecessary and will most certainly impact a PV installer’s bottom line. SMA’s new Smart Connected feature offers a proactive solution that saves installers time and money while maximizing system owners’ power production. This fully-automated functionality requires only a simple activation in Sunny Portal and a residential PV system will immediately benefit from SMA’s intelligent monitoring technology. No other solar solutions provider can offer this level of investment security, making SMA the ideal partner for residential PV.

How does SMA Smart Connected work for the 5kW inverter

Activation of SMA Smart Connected – During registration of the system in Sunny Portal, the installer simply checks a box to activate SMA Smart Connected which commences automatic inverter monitoring by SMA.

Automatic inverter monitoring – SMA automatically monitors the inverter to identify events around-the-clock. Both installers and their customers benefit from SMA’s many years of experience diagnosing sophisticated inverter technology.

Proactive communication – After a fault has been diagnosed and analyzed, SMA informs the installer and PV system operator immediately by email. So all parties are proactively prepared for the troubleshooting process ensuring minimum downtime and reducing truck roll costs.

Replacement Service – In the rare event that a replacement component is necessary, SMA automatically supplies a replacement component within one to three days of the fault diagnosis. The installer can then contact the PV system operator of his/her own accord and repair the inverter immediately.

The SMA Sunny Boy 5.0-1SP-US-41 5kW Solar Inverter has a simple & flexible Design

Speed the completion of customer proposals and maximize the efficiency of your design team with the Sunny Boy-US series, which 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

Download the Quick Design Reference Tool that provides string design and inverter selection recommendations in a simple easy-to-use format. Quick Design Reference Tool

Additional features of the 5kW Inverter

  • World’s first Secure Power Supply now offers up to 2,000 W
  • Full grid management capabilities ensures a utility-compliant solution for any market
  • New Installation Assistant with direct access via smartphone minimizes time in the field
  • Integrated disconnect simplifies equipment stocking and speeds installation
  • SMA’s proprietary OptiTracTM Global Peak technology mitigates shade with ease
  • Multiple independent MPPTs accommodate hundreds of stringing possibilities
  • Two-part enclosure concept allows for simple, expedited servicing
  • Enhanced AFCI technology reduces false tripping while improving sensitivity in real arcs, greatly reducing unneeded service calls

Warranty of the 5kW inverter

10-year warranty is standard, 15 and 20 year warranty extensions available.

Note: Rapid system shutdown is required for all PV systems installed on buildings. SMA systems require additional hardware for rapid shutdown and you may need to add extra components depending on your installation and the local requirements:
For NEC 2014: SMAs rapid shutdrapidown box is a cost-effective solution to meet 2014 NEC 690.12 Rapid Shutdown requirements.
For NEC 2017: Optimizers can be added onto every module to comply with 2017 NEC 690.12 requirements for system Rapid Shutdown. The SMA Tygo TS4 Optimizer provides the necessary safety features and is the most cost-effective solution for NEC 2017 compliance. SMA offers a full line of optimizers with monitoring, shade mitigation and module optimization features.
Note that using TS4 optimizers will disable the Secure Power Supply functionality of the inverter.
sma solar inverters logo
SMA from its headquarters in Kassel, Germany, is the world’s largest producer of solar inverters and monitoring systems for photovoltaic applications.  As market leader for solar inverters SMA is setting benchmarks again and again. The leading-edge efficiencies of 98% and new technology ensures maximum yields and the highest user convenience. While SMA inverters are designed in Germany, the Sunny Central, the Sunny Island, and SMA SunnyBoy inverters in the 3 kW to 7 kW range are assembled in their new plant in Denver, Colorado.These inverters qualify for the ARRA recovery act and are UL and cUL listed. SMA launched its own SMA solar academy in Rocklin, California, in April 2011. The best solar power inverter from NASDAQ and Bloomberg listed solar components manufacturers at best price; suitable for all weather conditions. 

Related links to the SMA Sunny Boy 5kW Solar Inverter :

on grid grid tied solar pv inverters

SMA is considered somewhat of a legend in the solar world and manufacture some of the best quality and most reliable inverters on the market backed by an excellent service team and guaranty conditions.

Avoid north facing walls exposed to direct sunlight at midday, while and easterly facing wall, under a small veranda which provides shade is better suited. Inside garages can also be a good spot, as long the solar inverter is away from direct sunshine for prolonged periods of the day.

Top 10 Solar inverters – Residential
  • Fronius.
  • SolarEdge.
  • SMA Sunny Boy AV solar inverters
  • Sungrow
  • ABB
  • Victron Energy
  • Enphase
  • Solis Ginlong
  • Goodwe
  • Outback

The SMA Sunny Boy Storage  can be added to any solar panel system – as long as you don’t need backup. For full backup or off-grid operation you would need to use a battery inverter with grid forming capabilities. like SMA Sunny Island.

10 to 20 years
Typically, grid connected inverters have a lifespan ranging from 10 to 20 years. You should expect most good quality units to last 10 years minimum. Solar inverters have warranties ranging from 5 to 12 years with an increasing number of manufacturers offering pay for service warranty extension up to 20 years. 

Germany’s SMA Builds majority of its solar power inverters Inverters In China. SMA is a German company that is generally considered to be among the top two inverter manufacturers in the world in terms of quality and reliability. They have manufacturing capacity in both Germany and China.

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SMA Solar Inverter USA

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Additional information

Weight 30 kg
Dimensions 60 × 80 × 30 cm


Product Category

on-grid inverters, Solar Inverters, SOLAR PHOTOVOLTAIC (PV)

Rated Power (W/kW)

5 kW

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SMA Sunny Boy 5.0-1SP-US-41 5kW Solar Inverter

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SMA Sunny Boy 5.0-1SP-US-415kW Solar Inverter

Supplier Part No: SB 5.0-1SP-US-41
Max usable DC power: 5150 W / 5150 W
Max. DC Voltage: 600 V
Rated MPP Voltage range:  220 – 480 V
MPPT operating voltage range: 100 – 550 V
Min. DC voltage / start voltage 100 V / 125 V
Max. operating input current per MPPT: 10 A
Max. short circuit current per MPPT: 18 A
Number of MPPT tracker / string per MPPT tracker:  3 / 1
Output (AC)
AC nominal power: 5000 W / 5000 W
Max. AC apparent power: 5000 VA / 5000 VA
Nominal voltage / adjustable: 208 V / ● 240 V / ●
AC voltage range: 183 – 229 V / 211 – 264 V
AC grid frequency:  60 Hz / 50 Hz
Max. output current:  24.0 A / 24.0 A
Max. efficiency: 97.2 % / 97.6 %
CEC efficiency 96.5 % / 97 %
General data
Dimensions (W / H / D) in mm (in): 535 x 730 x 198 (21.1 x 28.5 x 7.8)
Packaging Dimensions (W / H / D) in mm (in):  600 x 800 x 300 (23.6 x 31.5 x 11.8)
Weight / packaging weight:  26 kg (57 lb) / 30 kg (66 lb)
Operating temperature range – 25°C …+60°C

sma solar technology logo

SMA from its headquarters in Kassel, Germany, is the world’s largest producer of solar inverters and monitoring systems for photovoltaic applications.  As market leader for solar inverters SMA is setting benchmarks again and again: leading-edge efficiencies of 98% and new technology ensures maximum yields and the highest user convenience. While SMA inverters are designed in Germany, the Sunny Central, the Sunny Island, and SMA SunnyBoy inverters in the 3 kW to 7 kW range are assembled in their new plant in Denver, Colorado. These inverters qualify for the ARRA recovery act and are UL and cUL listed. SMA launched its own SMA solar academy in Rocklin, California, in April 2011. Their Solar Academy is equipped with the latest high-tech teaching tools and demonstration inverters to complement its comprehensive range of courses on photovoltaics and SMA products.

The company offers a wide range of solar photovoltaic inverters including the SunnyBoy range starting at 1.2kW for small domestic applications through the larger Sunny Mini Central range for small commercial to the 100kW Sunny Central products for industrial scale applications. The range includes newly developed lighter and more efficient “high frequency” transformed products (-HF) along with transformless products (-TL).

All inverters support a range of optional display and monitoring accessories for visualization of the system operation and many models have Bluetooth built-in as standard enabling fast integration with these additional products.



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