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Outback Radian GS4048A Inverter Charger

Outback, GS4048A
  • GS4048A Inverter / Charger
  • 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, including: 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.
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Battery Based Grid-Interactive / Off-Grid Renewable Energy System

Model Part Number Watts Input Voltage Output Voltage Type Continuous AC Output Current at 25 °C (77°F)
Radian GS4048A Inverter 03004058 4,000 48 VDC 120/240 VAC Pure Sinewave
16.7 Amps AC

grid-interactive definition*Grid Interactive – Utility Grid power is available to recharge batteries & inverter/charger will export power to utility grid.

The GS4048A has a new Advanced Battery Charging (ABC) profile option to support leading-edge battery technologies such as Lithium-Ion and others, and 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, providing 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 are certified to UL1741 for USA applications, and CSA C22.2 No. 107.1 for Canada, and is IEC 62109-1 certified to meet the most stringent worldwide solar safety and emission standards.


  • Grid-interactive and stand-alone capability in the same package
  • 8000 and 4000 Watts of continuous power, respectively
  • GridZero Technology minimizes grid dependence
  • Unsurpassed surge capacity
  • Field adjustable input/output voltage and frequency boundries
  • Dual AC inputs
  • Field serviceable modular design
  • GSLC load center option allows for quick and easy installation
  • Backed by a five-year (60-month) limited warranty



What's On The Truck

  • Outback, Radian GS4048A battery inverter, 4000W, 120/240VAC, 60Hz, 50A Transfer, 48VDC, Sinewave, Grid Tied, 5 Yr Warranty, 57A Charger, with BTS & dual AC inputs (Battery Temperature Sensor)

controller shipOutback Radian Inverter / Chargers ship in 2 - 3 business days after funds clear.


Optional Accessories Part # Price  
GSLC175-PV-120/240 - Pre-wired with dual 175ADC inverter breakers, dual AC inputs, AC maintenance bypass, solar GFDI, and two solar array inputs, Flexnet DC battery monitor and three shunts. “Plug and play” for systems which have a single Radian inverter, two charge controllers and battery monitoring. The GSLC175-PV-120/240 is the "fully loaded" version of the GS Load Center. It has all components already present and needs only to have external wiring and devices added. (Charge Controller (S) / Mate 3 / Hub 4 Sold Separately)home inverter 05302252solar inverter
OutBack Mate 3 Remote Monitor / ControllerGTFX2524 BP9578732outback
Atkinson GSCM-Mini Auto Generator Start Module 12-24V - The Atkinson Auto Generator Start GSCM-Min controller is optimized for use on Outback inverters. It supports three types of 3 wire gas-generator control: momentary, maintained or ignition. It has a fixed crank time and over and under frequency shutdown. 2 year limited warranty.dc electricity 02006343remote temperature sensor
FLEXnet DC System Monitor - OutBack Power's FLEXnet DC is the ultimate DC system monitoring device. Outback's integrated networked communications make valuable, usable data available from your system and viewable on an OutBack MATE communications device, providing you with the critical answers about your system's health, performance and efficiency.
Data Sheetdc electricityUsers Guidedc electricity
5700103remote temperature sensor
HUB4 Outback Communications Hub, 4 Ports - The HUB system communications manager is the backbone of your networked OutBack power conversion system. The OutBack HUB communicates stacking, load share and power save on/off signals. Interconnection cabling is standard Ethernet CAT5 with RJ45 modular jacks. Through the use of a HUB, your system is completely coordinated and managed by the MATE.dc electricity 5700103remote temperature sensor
outback radian inveter gs4048a
 GS8048A GS4048A
Nominal DC Input Voltage 48 VDC 48VDC
Continuous Output Power at 25 °C 8000 VA 4000 VA 
AC Output Voltage/Frequency 120/240VAC, 60Hz (50Hz) 120/240VAC, 60Hz (50Hz)
Continuous AC Output Current at 25 °C 33.3AAC @ 240VAC 16.7AAC
Idle Consumption - Invert mode, no load 34 Watts 34W
Typical Efficiency 93% 92.5% 
Harmonic Distortion Maximum Total Harmonic: <5%
Maximum Single Voltage Harmonic: <2%
Maximum Total Harmonic: <5%
Maximum Single Voltage Harmonic: <2% 
Output Voltage Regulation ± 2% ± 2% 
Maximum Output Current 1 ms Peak: 100 AAC @ 240VAC, 200AAC @ 120VAC
1 ms RMS: 70.7 AAC @ 240VAC
1 ms Peak: 50AAC @ 240VAC
1 ms RMS: 35.35 AAC @ 240VAC
Overload Capability 100 ms Surge: 16.97 kVA
5 seconds: 12 kVA
30 minutes: 9 kVA
100 ms Surge: 8.5 kVA
5 seconds: 6.0 kVA
30 minutes: 4.5 kVA 
Maximum AC Input Current  50AAC @ 240VAC 50AAC 
AC Input Voltage Range (Adjustable) (L1 or L2) 70 to 280VAC (L1-N or L2-N) 85 to 140VAC 
AC Input Frequency Range 45 to 55Hz @ 50Hz (55 to 66Hz @ 60Hz) 45 to 55Hz @ 50Hz (54 to 66Hz @ 60Hz)
Grid-Interactive Voltage Range (L1-N or L2-N) 106 to 132VAC (L1-N, L2-N) 108 to 132VAC, default
Grid-Interactive Frequency Range 59.3 to 60.5Hz 59.3 to 60.5Hz
DC Input Voltage Range 40 to 64VDC 40 to 64VDC
Continuous Battery Charge Output 115.5 ADC 57.5 ADC 
Temperature Range Rated: -20 to 50°C (power derated above 25°C)
Maximum: -40 to 60°C*
Rated: -20 to 50°C (power derated above 25°C)
Maximum: -40 to 60°C* 
Weight Unit: 125 lbs (56.7 kg)
Shipping: 140 lbs (63.5 kg)
Unit: 82 lbs (37.2 kg)
Shipping: 94 lbs (42.6 kg)
Dimensions (HxWxD) Unit: 28 x 16 x 8.7” (71.1 x 40.6 x 22.1 cm)
Shipping: 34.5 x 21 x 14.5” (87.6 x 53.3 x 36.8 cm)
Unit: 28 x 16 x 8.7” (71.1 x 40.6 x 22.1 cm)
Shipping: 34.5 x 21 x 14.5” (87.6 x 53.3 x 36.8 cm)
Accessory Ports Remote Temperature Sensor and
MATE3/HUB Communications
Remote Temperature Sensor and
MATE3/HUB Communications 
Non-Volatile Memory Yes Yes 
Field Upgradable Firmware Yes  Yes
Chassis Type Vented  Vented 
Certifications Listed to UL1741, CE, CSA C22.2 No. 107.1, IEC
62109-1, AS4777.2, AS4777.3, EN61000-6-1,
EN61000-6-3, EN61000-3-2, EN61000-3-3, AS3100, RoHS compliant per directive 2011/65/EU
Listed to UL1741, CE, IEC-62109-1 ETL, CSA C22.2 No. 107.1, RoHS compliant per directive 2011/65/EU, FCC Class B, EN61000-6-1, EN61000-6-3, EN61000-3-2, EN61000-3-3
Warranty Standard 5-Year Warranty Standard 5-Year Warranty
off-grid inverter

Outback Radian GS4048A Inverter Charger Grid-Interactive / Off-Grid Renewable Energy System

rv GS4048A inverterIMPORTANT SAFETY INSTRUCTIONS: It is the responsibility of the purchaser to ensure that all products are installed and operated in accordance with local and national building codes as specific by the NEC (National Electric Code), UBC (Uniform Building Code) or IBC (International Building Code) and local utility company policy. This product is designed for indoor or protected compartment installations. DO NOT expose the inverter to rain, snow, moisture or liquids of any type. Use insulated tools to reduce the chance of electrical shock or accidental short circuits. Remove all jewelry such as rings, watches, bracelets, etc. when installing the Outback inverter or any other electronic gear. Always disconnect the batteries or energy source prior to installation or performing maintenance on the Outback, GS4048A inverter. Live power may be present at more than one point since an inverter utilizes both batteries and AC electricity. Turning off the inverter may not reduce that risk. Always verify proper wiring prior to starting the inverter. Do not operate the inverter if it has been damaged. Always read and follow the manufactures installation and operating instructions for the Outback Radian GS4048A inverter charger prior to installation and operation.