Loading... Please wait...
Solar Panel Kits and Products - 1-800-215-5350

Solar Resources


Solaris Blog


SMA Sunny Boy SB240-US-99-10 250w Microinverter

Hover over image to zoom

  • SB240-US-99-10
SMA America
MSRP: $317.00
$120.00 (You save $197.00)
SKU: SLG-321-0193
Note: Out of Stock
Condition: New
Weight: 2.90 LBS
Shipping: Calculated at checkout

Unavailable. See manufacturer for similar products.

 Product Description

SMA 250W Microinverter - SB240-US-99-10

SMA, Sunny Boy SB240US Microinverter, 250W, 240VAC, 60Hz, 15-45VDC for 60 cell modules, DC socket in (add adapter), AC Female plugs in and out, 10 Yr Warr, Qty. 1, SB240-US-99-10, SPECIAL PRICING - LIMITED QUANTITY - ONLY WHILE SUPPLIES LAST

SMA’s Sunny Boy micro inverter system enhances design flexibility for installers in the U.S. and across the globe. It features industry-leading 96% CEC efficiency, simple installation, an innovative communications platform and is especially applicable for residential systems and rooftops with complex, shaded situations. Superior reliability is achieved with the groundbreaking introduction of the Sunny Multigate-US, which allows for fewer components exposed to heat stress under the module and greatly improves communication reliability versus other micro inverter systems. An improved cabling concept further elevates the Sunny Boy 240 from the competition by eliminating the need for a trunk cable.


  • Reliability & Simple - Industry-leading 96% CEC efficiency. Multigate technology allows for reduced component count. Private band powerline for highly reliable communications. Overvoltage protection enhances durability. Ideal for complex roofs. Pre-assembled AC plugs and connection cables. Multiple DC connector options and daisy chain configuration.
  • Monitoring - The Sunny Multigate is a reliable, distortion-free solution. Module-level, customized reporting through Sunny Portal. Remote monitoring via the Internet or iPhone and Android apps.
  • Secuirty - 30 year history and strong financials create stability and ensure full warranty support. German engineered, assembled in the USA for unmatched quality. #1 ranked service offering.


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


Mechanical Data
Technology: Microinverter
7.40 x 8.60 x 1.70 inches
Weight: 2.90 lbs
Operating Temperature Range:
-40 to +65°C
Topology: HF Transformer
Cooling Concept: Convection
Degree of Protection: Transformerless H5
Cooling Concept: NEMA 3R (According to IEC 60529)
Maximum Permissible Value for Relative Humidity: 100% (Non-Condensing)
DC Connection: Connector
AC Connection: Connector
Interface: Webconnect: N/A
Certificates and Approvals (More Available on Request): UL1741, UL1998, IEE 1547, FCC Part 15. Class A&B, IEC 62109-1/-2 (CAN/CSA C22.2 107.1-1)


Electrical Data
Input (DC)  
Maximum DC PV Power: 250 Watts
Maximum Number of Micoinverters: N/A
Maximum Input Voltage: 45 Volts
MPP Voltage Range / Rated Input Voltage:
23V-32V/29.5 Volts
Minimum Input Voltage / StartVoltage:
Maximum Input Current: 8.5 Amps
Maximum Input Current Per String: 8.5 Amps
Number of Independent MPP Inputs: 1/1 (Unfused)
Output (AC)
Rated Power @240V: 240 Watts
Maximum Apparent AC Power:
240 VA
Nominal AC Voltage/Range: 2 x 120V/211V-264 V
AC Power Frequency/Range: 60 Hz/59.3 Hz-60.5 Hz
Rated Power Frequency/Rated Grid Voltage: 60 Hz/240 V
Maximum Output Current: 1 Amps
Power Factor at Rated Power: 1
Feed-In Phases/Connection Phases: 2/2x120 V Split Phase
Maximum Efficiency: 95.9%
CEC Efficiency: 96%


Document Type
logo-adobe-pdf-2.jpgSMA America SB240-US-99-10 Specs Specifications
logo-adobe-pdf-2.jpgSMA America SB240-US-99-10 Installation Installation Guide
Warranty 10 Year Factory Warranty
logo-adobe-pdf-2.jpgSMA America SB240-US-99-10 Warranty Warranty


Terms & Conditions
Shipping: Shipping Policy
Returns: Returns Policy
Payments: We accept: Visa, MasterCard, Discover, and American Express. We also accept checks, direct deposit and wire transfers for large orders.

SMA America - SMA Sunny Boy SB240-US-99-10 250w Microinverter
Price: 120
Condition: new
Contact Us  

Why Go Solar With Us?

Solaris is a leading online solar energy supply store serving American homeowners and businesses. We design and supply quality Solar Power Kits, both preconfigured and custom tailored for your needs. Our wholesale pricing reflects the relationships we carry with the manufacturers we stock, ensuring the best deals for our customers.

We carry everything you need for your grid-tied or off-grid system, including plans, permits and diagrams. Our Solar Panels, Inverters, Racking and Mounting are second to none in quality, reliability, efficiency and lifespan. When going solar with us, we help you every step of the way in sourcing the products that matter for your investment.

Let us design and supply your system for less using the best products in the solar energy market. We are proud to be a preferred distributor for solar installers and DIY homeowners alike.

Shop confidently with us and receive expert technical help from start to finish, and watch your investment produce free renewable energy for years to come!


 Product Videos

Sunny Boy 240-US Micro Inverter: Dream Big. Start Small.
  • Sunny Boy 240-US Micro Inverter: Dream Big. Start Small.

 Warranty Information

Warranty: 10 Year Factory Warranty

 Other Details


 Find Similar Products by Category


About Us

Solaris is a leading online solar energy supply store. Since our inception, we have steadily grown to become one of the most robust solar energy dealers nationwide. We provide a large variety of products, custom designed solar electric systems, and superb technical support throughout your installation.

Solaris-shop.com designs, supplies, and delivers complete solar energy systems for homeowners, and installers. We use only the highest rated manufacturers in our design layouts, customized for your specific needs and requirements. We have a commitment to excellence for our valued customers, offering wholesale pricing that ensures a powerful return on your investment, for years to come.

Solaris Blog


Share the Solar


Click for the BBB Business Review of this Solar Energy Products - Retail in Englewood CO
Online Payments

Solaris Technology Industry, Inc. All Rights Reserved. 1501 W Tufts Ave Suite 208 Englewood, CO 80110 720-474-6050

Contact Us Today. Mon-Fri 9:00am - 5:00pm MST | Toll Free: 1-800-215-5350 | Local: 720-474-6050 | Email: [email protected] | Sitemap | Terms and Conditions Copyright © 2014-2019

Click the button below to add the SMA Sunny Boy SB240-US-99-10 250w Microinverter to your wish list.