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Fronius Grid-Tie Inverters


Fronius IG and IG Plus inverters offer high efficiency, precision maximum power point tracking, and intelligent thermal management, all of which result in superior energy output from grid-tie photovoltaic systems. Their wide input voltage range (150-450 volts) permit the use of modules in any power and voltage range. Their light weight and innovative mounting hardware make them very easy to install.

Fronius IG inverters come standard with an integrated LCD that displays and records over 20 parameters pertaining to inverter and system operation. They have 3 expansion slots that allow you to add features like external sensors and remote displays. You can use a personal computer to update the inverter with the latest software upgrades.

The larger inverters (over 3 kW) are built with the same power stages as the smaller ones, but use 2 of them. When these inverters see array capacity at less than half, one stage turns off, giving the inverter higher efficiency during periods of low insolation. The IG Plus inverters offer all the features of the IG and add a lockable code-compliant DC disconnect with fused string combiner in a separable connection compartment that stays on the wall if the inverter needs to be serviced.

UL Listed. 10-year warranty included. 15-year warranty available.

Product Specifications

Model # Output Watts AC Output Voltage Dimensions CEC Efficiency
IG-2000 2000 240 19" x 17" x 9" 93.5%
IG-3000 2700 240 19" x 17" x 9" 94.0%
IG-4000 4000 240 29" x 17" x 9" 94.0%
IG-5100 5100 240 29" x17" x 9" 94.5%
IG Plus 6.0 6000 208/240/277 36" x 17" x 10" 95%
IG Plus 7.5 7500 208/240/277 36" x 17" x 10" 95.5%
IG Plus 10.0 10,000 208/240/277 48" x 17" x 10" 95.5%
IG Plus 11.4 11,400 208/240/277 48" x 17" x 10" 96%
IG-2500LV 2350 208 19" x 17" x 9" 93%
IG-4500LV 3000 208 29" x 17" x 9" 93.5%


Product Ordering Information

Model # S.S.S. # Price Order
IG-2000 I-066 $2,100.00
IG-3000 I-048 $2,342.00
IG-4000 I-005 $3,480.00
IG-5100 I-326 $3,791.00
IG Plus 6.0 I-334 $5,030.00
IG Plus 7.5 I-332 $5,816.00
IG Plus 10.0 I-335 $7,842.00
IG Plus 11.4 I-108 $8,792.00
IG-2500LV I-128 $2,200.00
IG-4500LV I-129 $3,627.00

Prices subject to change with out notice.



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