Request a Quote!

  Home >

Fronius Primo 12.5-1 > 12.5kW 240/208 VAC Single Phase Grid-Tie Inverter
Fronius Primo 12.5-1 > 12,500 W 240/208 VAC Single Phase Grid-Tie Inverter
Fronius 12,500 W Grid-Tie Inverter

This product has been discontinued & is replaced by:
Fronius Primo 12.5-1 TL > 12.5 kW Single Phase Grid-Tie Inverter - AFCI, UL-1741-SA

Stock Status:(Out of Stock)
Product Code: FRONIUS-PRIMO-12.5-1

Description Datasheet

Fronius Primo 12,500 W 240/208 VAC Single Phase Grid-Tie Inverter

The powerful single-phase inverter for residential systems.


Model Primo 12.5-1
Series Primo
Manufacturer Fronius


Type Grid-Tie
Operating Temperature Range -40°F to 140°F (-40°C to 60° C)
Enclosure Nema 4x
Cooling Variable Speed Fan
Dimensions (W x H x D) 20.1" x 28.5" x 8.9"
Weight 82.5 lbs
Shipping Method Ground

Input (DC)

Recommended PV Power (STC) 10.0 - 15.0 kW
Max Voltage 600 V
Number of MPPT
Max. usable input current
33.0 A / 18.0 A
Nominal input voltage
425 V
MPP Voltage Range
260 - 480 V

Output (AC)

Maximum Output Power 12,500 W
Maximum Continuous Output Current
52.1 A
Recommended OCPD/AC breaker size
70 A
Max. Efficiency 96.7%
Grid connection
208 / 240 V
60 Hz


Data Sheet Fronius Primo 10.0-1 - 15.0-1
Warranty Fronius

The Fronius Primo has several integrated features that set it apart from competitors including dual powerpoint trackers, high system voltage, a wide input voltage range and unrestricted use indoors and outdoors. Other standard features include a Wi-Fi and SunSpec Modbus interface for seamless monitoring and datalogging, Arc Fault Circuit Interruption (AFCI), integrated fuse holders and Fronius’s superb online and mobile platform Fronius Solar.web. The Fronius Primo is designed to adjust to future standards, offering a complete solution to code restrictions and technical innovations of tomorrow. It also works seamlessly with the Fronius Rapid Shutdown Box for a reliable NEC 2014 solution. This great solution is now also available with a Revenue Grade Metering option, completely integrated.

Share your knowledge of this product with other customers... Be the first to write a review