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Fronius IG Plus 12.0-3WYE277 Inverter

This page contains information about the Fronius IG Plus 12.0-3WYE277 inverter. You can use our solar equipment comparison tool to quickly compare properties, such as the efficiency and CEC output, of several inverters so you can find the right inverter for the job fast.

Manufacturer Data Sheet | Installation Manual

DC Electrical Components Summary
Maximum Input Current 56.1A
Start Voltage 255V
Max DC Input Voltage 600V
Peak Power Tracking Voltage 230V - 500V
Polarity of Ground Either
DC Disconnect Yes
Number of String Inputs 6
Includes Fuses for String Inputs No
Max Rating for String Fuses 20A
Rating of Included String Fuses not applicable
DC Input Wire Gauge Range 14 AWG – 6 AWG
AC Electrical Components Summary
Rated Power Output 12000W
Compatible Utility Voltages 277V
Peak Efficiency 96.2%
Weighted Efficiency 96%
Maximum Output Current 14.4A
AC Disconnect No
AC Input Wire Gauge Range 14 AWG – 4 AWG
Sleep Consumption 1W
Standby Consumption 22W
Mechanical Characteristics
Height 48.1in (1,222mm)
Width 17.1in (435mm)
Depth 9.6in (244mm)
Weight 108lb (49kg)
CSI-Approved Built-in Meter Yes
NEMA Enclosure Rating NEMA 3R
Cooling Method Forced Air
Environmental Constraints
Ambient Temperature Range -4°F - 122°F (-20°C - 50°C)
Warranties and Compliances
Compliances UL 1741, IEEE 1547
CSI Listed Yes