OutBack Radian GS8048 Grid Tie or Off Grid Inverter


outback power logoOutBack  GS8048 hybrid battery inverter | can be used as grid tied inverter or stand alone | 8KW 48VDC | 120/240VAC 60HZ

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OutBack Power Radian GS8048 Inverter

Outback’s original GS8048 Radian inverter works equally well as a grid tie or off-grid inverter. There are two separate AC inputs, one for the bi-directional grid connection and one for a back-up generator. There is a built-in 50 A transfer switch at 120/240 VAC. The output is 120/240 VAC split phase in each unit for easy tie-in to US standard wiring and grid connections.

The Radian features 8 kW of continuous output power and can support large dynamic load variations and surge loads, making it well-suited for demanding commercial applications as well as residential use.

With two power stages, it is able to provide high efficiency and redundancy for critical applications, and the modular design is field serviceable. The Radian can be parallel stacked with up to 10 inverters for 80 kW total output.

The Radian also has auxiliary controls which include a contact closure, a 12 VDC output signal and terminals for a remote on/off switch.

The Radian is recommended for indoor use only.

You will also need a MATE3, HUB 4 or 10, RTS, and an appropriate GSLC to complete a Radian system.

The GS Load Center (GSLC) is a wiring and circuit protection enclosure that mounts under the Radian inverter. It is available in three versions:
The base GSLC includes positive and negative main inverter busbars, a 500 A 50 mV shunt with negative terminal bar, the main DC positive breaker plate, ground and neutral terminal bars, and 2 PV positive terminal bars. It can also accommodate up to 18 AC or DC panel mount breakers (10 top, 8 bottom), two main 175 A DC breakers and a FLEXnetDC, which can be purchased separately. Up to two charge controllers can mount on the right side (mounting brackets not included), and either the HUB4 or HUB10 can mount on the left side.
The GSLC175-120/240 includes the base unit plus two 175 A DC main breakers, an AC output and bypass breakers with interlock plate, an AC grid and generator input breakers (50 A two pole), and six AC terminal bars (3 black, 3 red). It can also accommodate 10 additional panel mount breakers, which can be purchased separately.
The GSLC175-PV-120/240 includes the 175-120/240 unit plus two 80 A PV array breakers, a two pole GFDI 80 A breaker, three 500A 50mV shunts with shunt bus, and a FLEXnetDC. The GFDI acts as the breaker between the control and positive bus; there are no other breakers added for this purpose. It can also accommodate 5 additional panel mount breakers, which can be purchased separately.
The AC bypass assembly is only for use with a single Radian inverter. For multiple inverters, use the basic GSLC with added DC and AC breakers as needed (no bypass) and use external transfer switches for bypass and external AC load centers for output combining and input distribution.

One GSLC is required for each Radian inverter, and each inverter requires two 175 A main DC breakers.
The GSLC is not rated for outdoor use. Dimensions are 17″H x 16″W x 8.5″D. Weight is 26, 37, or 38 lbs. Listed to UL 1741 for U.S. and Canada.
Contact us to purchase all the components to complete your Radian installation.

OutBack Radian Inverters
OutBack Model Continuous Output Battery Volt. AC Out (volts/hertz) No load draw Charger Output AC Surge Output
GS4048A 4000 W 48 VDC 124/240 V 60 Hz 34 W 57 A 6000 W
GS8048A 8000 W 48 VDC 124/240 V 60 Hz 34 W 115 A 12000 W
GS8048 8000 W 48 VDC 124/240 V 60 Hz 30 W 115 A 12000 W
GS Load Centers
GS Load Center Description
GSLC GS Load Center with inverter bars / breaker bus / shunt  / neg / ground /  neutral and PV pos busbars
GSLC175-120/240 GS Load Center with all above items plus 2 main 175 breakers / AC IO/Bypass and 6 AC busbars
GSLC175-PV-120-240 GS Load Center with all items above with 3 shunts / FNDC / 2 pole GFDI and dual PV input breakers


Additional information

Weight125 lbs
Dimensions28 × 16 × 8.7 in

Listed to UL 1741 for U.S. and Canada.


5 year standard; optional 10-year extended warranty available where required by state rebate programs