SMA Inverters

Sunny Island 4248U

The Sunny Island 4248U battery based inverter provides perfect sine wave off-grid power. An efficient, robust inverter, the Sunny Island 4248U is simple to install and operate yet is loaded with powerful and advanced features.

At 4200 Watts, the Sunny Island 4248U provides ample power to energize most household appliances with power to spare. It operates silently and can be powered by multiple type of energy sources from solar and wind to hydro and fuel cells.

The Sunny Island 4248U also works in conjunction with grid-tied Sunny Boy inverters to provide a powerful and efficient back-up power solution. Whenever and wherever reliable, clean electric power is needed, the Sunny Island 4248U will perform. 

Features

• Optimized for high ambient temperatures
• Robust surge capacity for motor starting
• High efficiency
• Integrated DC breaker
• Intuitive user interface
• Load shedding
• DC and AC coupling of energy sources
• Nearly silent operation
• Automatic generator start
• Easy installation and commissioning

Data Sheet

Sunny Island 5048U

SMA’s next generation of Sunny Island inverters combines the most advanced technology used in our Sunny Boys with an outstanding feature set for off-grid PV applications.

The new Sunny Island 5048U has incredible surge capabilities and excellent AC output characteristics. Each unit provides a very clean and stable 120 VAC output. Multiple units can be used together for single-phase, split-phase or three-phase applications.

The Sunny Island also features the unique ability to facilitate AC coupling of all power generation sources. This makes for efficient use of available AC power and greatly simplifies system expansion.

The Sunny Island 5048U helps to optimize the overall life of the batteries through its advanced battery management system.  It can also be utilized as a back-up system in grid-tied applications.  Its seamless transfer allows existing Sunny Boy inverters to be utilized during daytime grid outages.  The Sunny Island 5048U is an extremely robust and sophisticated unit providing both off-grid and backup users with the highest quality available in the industry today.

Features:

• Certified to the new UL 1741 / UL 1998 standards
• 5-year warranty
• Suitable for systems from 3 kW to 26 kW
• AC coupling of all energy sources
• DC coupling with optional equipment
• 1, 3 and split-phase, connectable in parallel
• Excellent overload characteristics for motor starting
• Long battery service life due to optimum battery management system
• Memory card
  

Data Sheet

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