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Fronius Primo 6.0 | Solar Heroes - Battery Hybrid, Off Grid & Grid Connect Solar System Specialists

Fronius Primo 6.0


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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

In Stock


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.

WLAN Interface:

  • Easy Connectivity,
  • No extra monitoring components required

Wireless System Monitoring:

  • Monitor your system from anywhere in the world
  • Optimise self production by visualising your consumption
  • real time system status alerts by SMS & email

Energy Management Relay

  • A solution for optimising private consumption of self-generated solar-power.

Open Data Communication

  • Easy to connect Fronius inverters to components from third party suppliers

Smart Grid Ready

  • Meets present & future grid connection requirements
  • Intelligent functionality helps support and improve stability of grid network

HF Transformer Switchover

  • Three efficiency peaks – constant high performance
  • Highest level of safety
  • Light weight

Ventilation Concept

  • Optimal performance at high temperatures
  • Air-tight sealed channel
  • Keeps out dust & moisture
  • Longer life

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.


Technical Data
INPUT DATAFronius Primo 6.0-1
Max. input current18.0 A / 18.0 A
(Idc max1 / Idc max2)
Max. array short circuit (MPP1 / MPP2)27.0 A / 27.0 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 range240 – 800 V
(Vmpp min – Vmpp max)
Number MPP trackers2
Number of DC connections2 + 2
AC nominal output (Pac,r)6,000 W
Max. output power6,000 VA
Max. output current (Iac max)26.1 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)2/3
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 standardsDIN 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. efficiency97.80%
European efficiency (ηEU)96.70%
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
External inputS0 meter connection / Evaluation of overvoltage protection
RS485Modbus RTU SunSpec or meter connection


In Stock