Fronius IG Plus

3kW to 12kW in a single PV inverter

Fronius USA has unveiled their latest product line of grid-connected PV inverters, the IG Plus. The latest generation inverter is designed to give maximum energy harvest from every ray of sunlight, and is compatible with all module configurations. Eco Depot USA recommends Fronius IG Plus Inverters for their reliability, especially in cold weather climates.



The New Product Line features include the following:

  • Three efficiency peaks.  The unique automatic transformer switching function enables not one, but three efficiency peaks resulting in consistently high efficiency over a wide input voltage range.
  • The Mix™ Concept on the 2 and 3 power stage inverters allows maximum power harvest out of partial load ranges, e.g. on cloudy days, through a clever combination of multiple power stages in each inverter.
  • Optimized Module-Manager™ Software enables even more efficient MPP-tracking which is especially important for systems with thin film modules who’s MPP can be a bit more challenging to track.
  • Smart ventilation design keeps disruptive ambient factors away from the circuitry by drawing cool air through a filter screen on the back of the inverter where it is routed through a closed channel over the heat sink.This prevents contact between outside air and the circuit boards, while cooling the inverter components.
  • The new power plug system allows for easy installation and service work by the separate mounting of connection-area and power stage unit.  If service should be required, the connection compartment remains on the wall maintaining all settings and configurations.
  • The Fronius IG Plus comes complete with an approved, built-in, lockable and load breakable DC Disconnect.  Grounding selectable on-site, and field programmability of the AC output voltage are additional benefits.

New, larger power stages are available with this latest line of inverters. 

  • The IG Plus is available from 3kW to 12kW in a single inverter. 

See the new IG Plus Brochure here:


IG Plus Brochure.pdf


Fronius PV Inverter Website



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