- Outback Power Systems, Inc. Welding System User Manual
900-0020-01-00 Rev A  5 
Introduction 
Welcome to OutBack Power Technologies
Thank you for purchasing the OutBack Radian Series Inverter/Charger. This product offers a complete 
power conversion system between batteries and AC power. It can provide backup power, sell power 
back to the utility grid or provide complete stand-alone off-grid service. 
Figure 1  GS8048 Inverter/Charger 
IMPORTANT: 
The Radian Series Inverter/Charger is not intended for use with the OutBack MATE or 
MATE2 System Display and Controller. It is only compatible with the MATE3 System 
Display and Controller. 
 
Battery-to-AC inverting which delivers split-phase 
  120/240 Vac at 60 Hz 
 
AC-to-battery charging from any AC source 
 
Uses energy from photovoltaic arrays, wind turbines, and 
other renewable resources. Use of OutBack FLEXmax 
charge controllers will optimize power production from 
PV sources. 
 
Dual AC inputs allow direct connection to utility grid and 
AC generator 
 
Rapid transfer between AC source and inverter output 
with minimal delay time 
 
Six selectable input modes for different applications    
∼  Generator 
∼  Support 
∼  Grid Tied 
∼  UPS (Uninterruptible Power Supply) 
∼  Backup 
∼  Mini Grid 
 
8000 watts (8 kW) continuous power at 48 Vdc 
 
16.97 kVA peak surge capacity 
 
Stackable in parallel configuration up to 10 inverters 
 
M
odular internal design allows low idle consumption and 
high efficiency at both high and low power operation 
 
Field-upgradeable firmware 
 
Certified by ETL to UL1741 and CSA C22.2 
 
Uses MATE3 System Display and Controller 










