OutBack FLEXpower THREE
10.8 kW FP3-VFXR3648A Power Center


Only 3-5 Business Days


Line Drawing
w/ Each Solar Kit

Outback, FLEXpower THREE FP3-VFXR3648A 10.8 kW

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  • 120/208 VAC 3 Phase Off-Grid, Grid-Interactive, Backup
  • The OutBack Power FLEXpower THREE FP3-VFXR3648A fully pre-wired power assembly that features the technologies for off-grid and grid-tied functionality in one unit. Off-grid, backup, grid-interactive. Flooded, Gel, AGM, Lithium-ion battery compatible. 48 VDC Battery Based Inverter. 120/208 VAC 3 PHASE Output. The OutBack inverters produces pure sine wave clean electricity drawing power from the energy stored in a battery bank. Mechanically and electrically engineered, every component has been specially selected to assure the highest performance with this safe simple-to-install power center.
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What's On the Truck OutBack Power

● P/N 3480079 - 10.8 kW FLEXpower THREE 3 Phase 120/208VAC Pre-wired Power Center

  • Outback, FLEXpowerTHREE, Triple VFXR3648A 10.8 kW FLEXpower THREE, 120/208 VAC 3 PHASE, Pre-wired AC and DC boxes with AC Bypass, 175A DC breakers, PNL-GFDI-80Q and 80 Amp charge controller breakers, HUB 10.3, RTS, FLEXnet DC and surge protectors plus three FLEXmax 80 MPPT charge controllers, MATE3 and brackets, FP3 VFXR3648A
  • 1 - Line Drawing; Full Instructive Three-Line Diagram of Entire DC Circuit, as Well as AC Lines to Your Main Panel.


Power Center ships in Approximately 20 Business Days After Funds Clear. (Subject to Seasonal Increases) ● Line Drawing send via Email [PDF] 3 - 5 business days after funds clear.

Fast Installation - Just Hang on the Wall With the Bracket (Included) and Make Connections

outback power


OutBack Power RECOMMENDATION - Keep the number of parallel strings of batteries to three or fewer. More than three strings of batteries will shorten your battery life due to uneven charging. That means use higher AH 6VDC or 2VDC batteries for fewer strings. Batteries in Series = Voltage is Additive; Batteries in Parallel = Ah is Additive.

3 Phase 120/208 VAC Off-Grid, Grid-Interactive, Backup Solution

The FLEXpower THREE is ideal for three-phase power needs such as larger residential, farms and agricultural installations, light commercial applications including small businesses, stores and restaurants, and remote facilities, with all necessary components integrated into a compact hang-on-the-wall system with a minimal footprint.

● Programmable for seven different modes including GridZero ,which blends utility power and stored renewable energy, minimizing grid dependence; also Support Mode for seamless generator integration.

● Advanced Battery Charging (ABC) with expanded charging voltages and time parameters accommodates charging profiles of new and emerging storage technologies including Lithium Ion, and Aqueous types.

AC Input Connection

Programmable for seven different modes including GridZero, which blends utility power and stored renewable energy, minimizing grid dependence; also Support Mode for seamless generator integration.

Grid Tied

The Grid Tied mode allows the FP3-VFXR3648A inverter to become grid-interactive. This means that in addition to using power from the utility grid for charging and loads, the inverter can also convert excess battery power and sell it to the utility grid. Excess battery power usually comes from renewable energy sources, such as solar arrays, hydroelectric turbines, and wind turbines.


The backup mode is intended for systems that have utility grid available as the primary AC source. This source will pass through the FXR inverter’s transfer circuit and will power the loads unless utility power is lost. If utility grid power is lost, then the inverter will supply energy to the loads from the battery bank. When the utility power returns, it will be used to power the loads again.

Personal Technical Advisor

Line drawing questions or just stuck? No worries we have your back and will be here to help whenever you have questions. For orders larger than $2,000.00 a Technical Sales Team Group Captain will be assigned your account. Your Technical Advisors job is to coordinate all parts and pieces of your order and to work with you throughout the process. This makes it easy for you because we will be providing you with a single contact point and single extension to call with your questions to help make the process easier.

System Qualifies - 30% Federal Solar Tax Credit

    tax credit Federal Solar Tax Credit
  • The federal solar tax credit, also known as the investment tax credit (ITC), allows a taxpayer to claim a credit of 30 percent for a qualified system located in the USA and that is owned and used as a residence by the taxpayer.

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  • Why some off-grid systems should include both solar AND wind? Wind speeds are highest during the winter months when solar resources are at their minimum Air density is highest in winter maximizing wind power production wind provides power during inclement weather when sunshine is not present wind provides power at night.
Technical Support


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