Oasis Montana Inc.
Grid-Tie Renewable Energy Systems
Tech. Support: 1 406 777-4321
Home Page: www.oasismontana.com


Outback Battery-Based Grid-tie and Dual
Grid-tie/Standalone Inverters


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The OutBack grid-interactive system generates backup AC power that is made available 24 hours a day in the event of a utility outage, providing reliable power. At night, the inverter's automatic power save mode makes certain that energy is not wasted by unnecessarily charging your batteries from the utility grid. An average conversion efficiency of 91% provides greater savings and a shorter time period for system payback.

GTFX and GVFX inverters provide automatic backup power when utility outages occur. The FX inverter from OutBack Power has established itself in the off-grid world. Now they carry the GTFX and the GVFX models that provide automatic back-up power when utility outages occur. The GTFX is sealed and includes a turbo fan kit.

GVFX models are vented and have no fan. Use of an MPPT controller will greatly increase the energy harvested from the PV array. Maximum of two GTFX or GVFX inverters can be connected in series for 240 Vac split phase output. All models are ETL listed to UL-1741.

5-year warranty. Extended warranty available direct from manufacturer.


The new Radian Series GS8048 inverter/charger offers grid-interactive and stand-alone capability in the same package.  Based on  proven technology, but engineered from the ground up to simplify the design, distribution, installation, and implementation of energy storage, the standardized structure and integration with the GSLC load center easily accommodates any power requirement, anywhere.

Incorporating a powerful DC to AC true sine wave inverter, battery charger, and dual AC inputs, its 120/240V split-phase output provides a total power solution compatible with traditional North American wiring practices.

Unique dual power module design provides high efficiency at both low and full power operation, as well as redundancy for critical applications. The modular design assures easy field servicing of installed systems.

Complete system interface using the OutBack MATE3 and HUB Communications Manager makes the Radian Series GS8048 compatible with other OutBack Power electronics. 

Features include:

  • 8000 watts of continuous power
  • Unsurpassed surge capacity
  • 120/240v split-phase voltage
  • Dual AC inputs
  • Field-upgradeable firmware
  • Field-serviceable modular design
  • Simplified parallel design for ease of installation
  • GS load center option for quick and easy installation



    Inverters - Sealed    
    GTFX2524 Sine Wave Inverter 2500W, 24VDC, 120VAC, 60Hz sealed w/turbo $2,369.00
    GTFX3048 Sine Wave Inverter 3000W, 48VDC, 120VAC, 60Hz sealed w/turbo $2,369.00
    Inverters - Vented    
    GVFX3524 Sine Wave Inverter 3500W, 24VDC, 120VAC, 60Hz vented, bug proof $2,569.00
    GVFX3648 Sine Wave Inverter 3600W, 48VDC 120VAC, 60Hz vented, bug proof $2,569.00
    Sine Wave Inverter 8000W, 48VDC, 120/240 VAC, 60Hz, Grid Tied or stand-alone application $6,240.00*
    Load Center - 500A
    Sine Wave Inverter 8000W, 48VDC, 120/240 VAC, 60Hz, Grid Tied or stand-alone application $749.00*

    *MSRP - Please call for our pricing.   

    There are a number of OutBack products available, please call for more information on products and pricing
    And for the specs, go to: http://www.outbackpower.com/products/sinewave_inverter/grid_tie/


    Oasis Montana Inc.
    Grid-tie solar electric power systems for the home
    436 Red Fox Lane, Stevensville, MT 59870

    E-mail us for free information on system sizing; or order our Design Guide & Product Catalog for $10.00  ($18.00 for international customers)

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    mailto: info@oasismontana.com
    Home Page www.oasismontana.co

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    Revised 11/03/18

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    Tech. Support: 1(406)777-4321
    Fax: 406-777-4309