OutBack Radian GS4048A

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DISCONTINUED: OutBack Radian GS4048A, a 4000W, 48 VDC, 120/240VAC, 60Hz, grid interactive battery inverter, with a 50A transfer, 57 Amp Charger, a battery temperature sensor and dual AC inputs

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SKU: OBK-227-130 Category: Tags: ,

The Radian Series GS4048A Grid/Hybrid™ (full-flexibility grid-interactive/off-grid) inverter/charger is engineered toward one goal: making system design and installation easier and faster in grid-interactive and comprehensive off-grid applications. The new Radian Series inherit the hallmark features of the original design. These features include dual AC inputs for grid/generator flexibility with no external switching required, unparalleled surge capability and operational stability, easy field upgradeability and stacking capability for large system scaling, simplified system commissioning through a powerful, easy-to-use configuration wizard, and multi-mode operational flexibility.

In addition, both models have a new Advanced Battery Charging (ABC) profile option to support leading-edge battery technologies such as lithium-ion and others. The GS4048 includes enhanced diagnostics for improved performance. And both incorporate OutBack’s GridZero technology; a superior level of intelligence in energy management for self-generation and self-consumption programs. GridZero provides precise balancing between using stored energy, solar and utility power, blending-in the latter to overcome surges and load spikes when needed. GridZero operation makes it possible for a smaller inverter and battery system to perform like a much larger one when required, putting stored and renewable energy sources to work and minimizing grid dependence. GridZero technology make the new Radians ideal for use in complex utility environments such as California and Hawaii.

The GS4048A is certified to UL1741 for US applications, and CSA C22.2 No. 107.1 for Canada, and is IEC 62109-1 certified to meet the most stringent worldwide PV safety and emission standards.


  • Grid-interactive and stand-alone capability in the same package
  • 4000 Watts of continuous power
  • GridZero technology minimizes grid dependence
  • Unsurpassed surge capacity
  • Field adjustable input/output voltage and frequency boundaries
  • Dual AC inputs
  • Field serviceable modular design
  • GSLC load center option allows for quick and easy installation
  • 57 Amp battery charge output
  • Remote temperature sensor
  • MATE3 display
  • OutBack HUB communications device
  • Warranty – 5 years
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Weight 94 lbs
Dimensions 34.5 × 21 × 14.5 in

Mnfr. model

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Temperature range




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