Fronius Grid Tie Inverters - Fronius IG Plus 3.0 -1 UNI Solar Grid Tie Inverter, 3000 Watts, 208,240,277 Volt
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Great experience exactly as advertised and quality products!!

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By Tom

Fronius IG Plus
Fronius IG Plus 3.0 -1 UNI Solar Grid Tie (...See More)

Fronius IG Plus 3.0 -1 UNI Solar Grid Tie Inverter, 3000 Watts, 208,240,277 Volts AC
[030-03481]

 $3,255.00  $2,029.00 

Fronius IG Plus 3.0 -1 UNI Solar Grid Tie Inverter, 3000 Watts, 208,240,277 Volts AC

IG Plus Inverters

Fronius IG Plus inverters offer all the features of the IG and add a lockable code-compliant DC disconnect with a six-circuit fused string combiner in a separable connection compartment that stays on the wall if the inverter needs to be serviced. The string combiner can be fused for up to 20 amps per circuit and a busbar is available for bypassing the combiner for higher current inputs. Fuses are not included. The single phase inverters are field settable for 208, 240 or 277 volts. The IG Plus 11.4-3 Delta and 12.0-3 Wye 277 at the bottom of the table below are true three-phase output units. They can be configured for positive or negative ground. CSA Listed to UL 1741 for U.S. 10-year warranty standard with 5-year extensions available.

Equipment features

Grounding selectable on site.
Decide on site what type of grounding is required as the Fronius IG Plus is field programmable for either positive or negative module grounding.

Designed for indoor and outdoor installations.
All Fronius IG Plus inverters have a robust, well designed aluminum housing.  UV resistance and corrosion protection enable them to be used either indoors or outdoors.  Fronius is proud to be one of the only inverters tested and approved to operate at 122° F.

Integrated DC disconnect.
No external DC disconnect installation or cabling is necessary.  The Fronius IG Plus comes complete with an approved, built-in, lockable and load breakable DC Disconnect.

The new power plug system
The connection area and power stages are installed separately from each other. Very easy and extremely safe:  The connection area is attached to the wall as normal. Then the power module is simply plugged in.  The power plug connects both parts into one secure unit.  If service is required, the connector remains on the wall  maintaining all settings and configurations. 

Field Programmable AC output voltage.
The Fronius IG Plus inverter line from 3.0 to 11.4 kW is field programmable to 208, 240 or 277 volts (Fronius IG Plus 12.0 kW only availabale in 277 volts), eliminating the need to install different inverter models to accommodate three-phase installations.
Three efficiency peaks.
Greater power harvest for every system size:  The unique automatic transformer switching function of the Fronius IG Plus makes enables not one, but three equal efficiency peaks. The result:  Consistantly high efficiency over a wide input voltage range. 
In comparison:  The efficiency of inverters without transformer switching declines steadily with an increasing input voltage. Devices without a transformer only have one efficiency peak. 
With a 96.2 % maximum efficiency, the Fronius IG Plus series scores the highest grade among HF devices.
MIX™ Concept.
Get the maximum power harvest out of partial load ranges, e.g. on cloudy days, through a clever combination of multiple power stages in each inverter.  The power stages in Fronius inverters divide up the work depending on operating hours and only operate as many power stages as required to efficiently process available power from the PV array.
Module Manager™.
The Module Manager™ keeps all Fronius IG inverters at the maximum power point (MPP) with fast and exact MPP tracking, ensuring that you get the most power out or each ray of sunlight.  This is especially important for amorphous modules whose MPP can be more challenging to track.  
 
Smart Ventilation Design.
Disruptive ambient factors such as biological infestation, dust, moisture or coastal salt air stay outside the new Fronius IG Plus Inverters away from the circuitry.  How: Cool air is drawn in through a filter screen on the back of the invertar and routed through a closed channel over the heat sink. This prevents contact between outside air and the circuit boards while cooling the inverter components ensuring the inverter operates consistendly.  All circuit boards are also dipped in Conformal coating to prpovide an added measure of protection.

Technical Data

Fronius IG Plus
3.0-1UNI 
3.8-1UNI 
Input data
   
Recommended PV-Power (Wp) 2500-3450 3200-4400
MPPT-Voltage range 230 - 500 V 230 - 500 V
Max. Input voltage range
(at 1000 W/m² 14°F (-10°C) in open circuit operation)
600 V 600 V
Nominal Input Current 8.3 A 10.5 A
Max. usable Input Current 14.0 A 17.8 A
Admissible conductor size (DC) No. 14-6 AWG
 
Output data
   
Nominal output power (PAC nom)  3000 W  3800 W
Max. continupous output power
104°F (40°C) 208 V / 240 V /
277 V
 3000 W  3800 W
Nominal AC output voltage  208 V / 240 V / 277 V

Operating AC voltage range (default)
208 V
240 V
277 V


183 - 229 V (-12 / +10 %)
211 - 264 V (-12 / +10 %)
244 - 305 V (-12 / +10 %)

Maximum 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 frequency  60 Hz
Operating frequency range  59.3 - 60.5 Hz
Total harmonic distortion  < 3 %
Power factor  1
 
General data
   
Max. Efficiency 96.2 %
CEC Efficiency
208 V
240 V
277 V

95.0 %
95.5 %
95.5 %

95.0 %
95.5 %
95.5 %
Consumption in standby (night) <1 W
Consumption during operation 8 W
Cooling Controlled forced ventilation, variable fan speed
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)
Admissing ambient operating temperature -4 ... 122°F (-20 ... + 50°C)
Compliance UL 1741-2005, IEEE1547-2003, IEEE 1547.1, ANSI/IEEE C62.41,
FCC Part 15 A&B, NEC Article 690, C22. 2 No. 107.1-01
(Sept. 2001)
 
Safety equipment
   
Ground fault protextion  Internal GFDI (Ground Fault Detector/Interrupter); in accordance with UL 1741-2005 and NEC Art. 690
DC reverse polarity protevtion  Internal diode
Islanding protection Internal; in accordance with UL 1741-2005, IEEE 1547-2003 and NEC
Over temperature Output power derating / active cooling
 

 

 

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