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Fronius Primo 3.0 | Solar Heroes - Battery Hybrid, Off Grid & Grid Connect Solar System Specialists

Fronius Primo 3.0


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Fronius Primo is one of the most popular grid connected inverter
Smart Grid ready
Easy installation and highly flexible
Ideal for residential installations

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Optimised energy management.

The Fronius Primo in power categories from 3.0 to 8.2 kW perfectly completes the new SnapINverter generation. This single-phase device is the ideal inverter for residential systems. Its innovative SuperFlex Design provides maximum flexibility in system design, while the SnapINverter mounting system makes installation and maintenance easier than ever before. The included communication package, with WLAN, energy management, several interfaces and much more, allows the Fronius Primo to communicate with the user, the PV system and the grid.

The Fronius Primo ideally completes the new SnapINverter generation and is the ideal inverter for residential systems. This model of Fronius provides maximum flexibility in system design which is very easy in installation and maintenance.  The included communication package, with WLAN, energy management, several interfaces and much more, allows the Fronius Primo to communicate with the user, the PV system and the grid.

The highlights of the primo are;

the ten-year warranty,
ii) the built-in Wi-Fi and the easy to use “solar.web” platform,
iii) the ground-breaking MPPT efficiency,
iv) the compatability with the Fronius Smart meter for rading youe production and consumption.
v) the integrated DC isolator for a neater, more cost effective install.

Supplying the Australian market with solar inverters since 2000, Fronius was an early mover in Australian solar. Realising the long-term potential of solar in Australia a Solar Energy subsidiary was set up in Melbourne in 2010.

Global experience combined with strong local support thus ensure premium quality and reliability.

Fronius with headquarters in Austria has been engaged in solar electronics since 1992, in particular in the development and production of photovoltaic inverters. Thanks to solar electronics Fronius has advanced to the ranks of the worldwide leading manufacturers and continues to develop its position through ongoing product innovations. Fronius Solar Electronics stands for quality and state of the art technology to generate, convert and harness energy in a renewable way.

Fronius Primo Datasheet

Technical Data
INPUT DATAFronius Primo 3.0-1
Max. input current12.0 A / 12.0 A
(Idc max1 / Idc max2)
Max. array short circuit (MPP1 / MPP2)18.0 A / 18.0 A
Min. input voltage80 V
(Vdc min)
Feed-in start voltage80 V
(Vdc start)
Nominal input voltage (Vdc,r)700 V
Max. input voltage1,000 V
(Vdc max)
MPP voltage range200 – 800 V
(Vmpp min – Vmpp max)
Number MPP trackers2
Number of DC connections2 + 2
AC nominal output (Pac,r)3,000 W
Max. output power3,000 VA
Max. output current (Iac max)13.0 A
Grid connection (voltage range)1 ~ NPE 220 V / 230 V (180 V – 270 V)
Frequency (frequency range)50 Hz / 60 Hz (45 – 65 Hz)
Total harmonic distortion< 5 %
Power factor (cos φac,r)0.85 – 1 ind. / cap.
Dimensions645 x 431 x 204 mm
(height x width x depth)
Weight21.5 kg
Degree of protectionIP 65
Protection class1
Overvoltage category (DC / AC)1)2-Mar
Night time consumption< 1 W
Inverter designTransformerless
CoolingRegulated air cooling
InstallationIndoor and outdoor installation
Ambient temperature range-40°C to +55°C
Permitted humidity0 – 100 %
Max. altitude4,000 m
DC connection technology2x DC+1, 2x DC+2 and 4x DC- screw terminals 2.5 – 16 mm²
Mains connection technology3-pole AC screw terminals 2.5 – 16 mm²
Certificates and compliance with standards.DIN V VDE 0126-1-1/A1, IEC 62109-1/-2, IEC 62116, IEC 61727, AS 3100, AS 4777-2, AS 4777-3, G83/2, G59/3, CEI 0-21.
Max. efficiency97.60%
European efficiency (ηEU)95.20%
MPP adaption efficiency> 99.9 %
DC insulation measurementYes
Overload behaviourOperating point shift, power limitation
DC disconnectorYes
WLAN / Ethernet LANFronius Solar.web, Modbus TCP SunSpec, Fronius Solar API (JSON)
6 inputs and 4 digital inputs/outputsInterface to ripple control receiver
USB (type A socket)Datalogging, inverter update via USB flash drive
2 x RS422 (RJ45 socket)Fronius Solar Net, Interface protocol
Signalling outputEnergy management (floating relay output)
Datalogger and WebserverIncluded


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