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Fronius IG Plus V 3.0-1 3kW Grid Tie Inverter

Fronius IG Plus V 3.0-1 3kW Grid Tie Inverter
Fronius IG Plus V 3.0-1 3kW Grid Tie Inverter
Item code Model number Volts Watts
FRNIGPLSV3.0-1 IG Plus V 3.0-1 UNI 208240V 3000W

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Untitled Document

Fronius Fronius IG Plus 3.0 3.8

IG Plus V Grid Tie Inverter, 3.0-1
3 kW, 208/240/277 VAC

The smallest size inverters in the Fronius IG Plus V family. Available in 3.0 and 3.8 kW. Best suited for smaller solar applications, e.g. residential and smaller commercial applications.

The next generation Fronius IG Plus inverter builds on a successful model with multiple enhancements, including maximum power harvest, a built-in six circuit string combiner, integrated, lockable DC Disconnect, significantly improved efficiency, and unbeatable reliability. The High Frequency (HF) transformers used in each Fronius IG Plus allow these inverters to maintain a constant level of efficiency while still being compact and lightweight.

The rugged and durable design of the Fronius IG Plus V inverter makes it an ideal choice for both indoor and outdoor installations. The sealed cooling system allows air flow over the heat sink without dust, moisture or coastal salt air ever coming into contact with the internal circuitry of the inverter. Additionally, each circuit board is dipped in a conformal coating for added protection from the elements.


  • Industry high efficiency over a wide voltage range (96.2% peak)
  • Tested and approved to operate at +131°F
  • MPP Tracking maximized power harvested
  • Field programmable output voltage (208, 240 or 277 VAC)
  • Integrated DC Disconnect: approved, lockable, load breakable

Fronius has made a range of improvements to the original IG Plus line of inverters to create the IG Plus V Series. The bullet points below outline the changes that are incorporated into the new IG Plus V models.

  • IG Plus V line added the 10.0-3 which is a three phase 208V 10kw inverter that was not available in the IG Plus version
  • The DC Disconnect is now located outside (underside) of the inverter’s connection compartment rather than internal to the connection compartment
  • The front door of the connection compartment is now secured with (4) screws rather than a latch/hinge, providing improved security
  • The mounting bracket for the IG Plus V now has a “Snap in Feature”, which eliminates the need for two screws to secure the back plate together
  • Software upgrades offering "Smart Grid" capabilites


Fronius IG Plus V
3.0-1 UNI 3.8-1 UNI
Recommended PV-Power (kWp) 2.50 - 3.45 3.20 - 4.40
MPPT-voltage range 230 - 500 V
DC Startup Voltage 245 V
Max. input voltage 600 V
Nominal input current 8.3 A 14.0 A
Max. usable input current 14.0 A 17.8 A
Admissible conductor size (DC) No. 14 - 6 AWG
Number of DC input terminals 6
Max. current per DC input terminal 20 A; Bus bar available for higher input currents
Fronius IG Plus V
3.0-1 UNI 3.8-1 UNI
Nominal output power (PAC nom) 3000 W 3800 W
Max. continuous output power
208 V / 240 V / 277 V
3000 W 3800 W
Nominal AC output voltage 208 V / 240 V / 277 V
Operating AC voltage range
208 V
240 V
277 V

183 - 229 V (-12/ +10 %)
211 - 264 V (-12/ +10 %)
244 - 305 V (-12/ +10 %)
Max. continuous output current
208 V
240 V
277 V

14.4 A
12.5 A
10.8 A

18.3 A
15.8 A
13.7 A
Admissible conductor size (AC) No. 14 - 4 AWG
Max. continuous utility back feed current 0 A
Nominal output frequency 60 Hz
Operating frequency range 59.3 - 60.5 Hz
Total harmonic distortion < 3 %
Fronius IG Plus V
3.0-1 UNI 3.8-1 UNI
Max. efficiency 96.2 %
Consumption in standby (night) < 1 W
Consumption during operation 8 W
Cooling Controlled forced ventilation, variable speed fan
Enclosure type NEMA 3R
Unit dimensions (W x H x D) 17.1 x 24.8 x 9.6 in.
Power stage weight 31 lbs. (14 kg)
Wiring compartment weight 24 lbs. (11 kg)
Compliance UL 1741-2010, IEEE 1547-2003, IEEE 1547.1, ANSI/IEEE C62.41, FCC Part 15 A & B, NEC Article 690, C22. 2 No. 107.1-01 (Sept. 2001), California Solar Initiative - Program Handbook - Appendix C: Inverter Integral 5 % Meter Performance Specification

Smart Ventilation Design

Fronius IG Plus V Series



Universal Product Design

Fronius IG Plus V Series

The functional principle is identical in the
entire Fronius IG Plus inverter family.

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