Fronius Primo 5.0-1 (2MPPT) Mono


1 859,03 € tax incl.


Single-phase PV inverter with 5.0 kW nominal output, WLAN and integrated communication package. The Fronius Primo perfectly completes the new SnapINverter generation.

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Fronius Primo Single

The Fronius Primo in power categories from 3.0 to 8.2 kW perfectly completes the new SnapINverter generation. This single-phase, transformerless device is the ideal inverter for private households. Its innovative SuperFlex Design provides maximum flexibility in system design, while the SnapINverter mounting system makes installation and maintenance easier than ever before. The communication package included as standard, with WLAN, energy management, several interfaces and much more besides, makes the Fronius Primo a communicative inverter for owner-occupiers


• Brand : Fronius

• Model : Primo 5.0-1

• Power : 5 kW

• Dimensions LxHxD : 645x431x204 mm

• Weight : 21,50 kg

• Warranty : 5 years

Icon: Snap Inverter mounting system SnapInverter mounting system

The special feature in the design of our devices is that the connection compartment is separate from the power stage set compartment. They are installed separately. The connection area and all its cabling is fitted to the wall first. The power stage set compartment is fitted afterwards. The innovative SnapINverter mounting system makes installation and servicing extremely user-friendly. The inverter is simply placed in the wall bracket and then secured. It is not necessary to remove the entire inverter for servicing, just the power stage set compartment. All the cabling, settings and configurations remain in place.

Icon: Integrated WLAN interface Integrated WLAN interface

Simple, user-friendly system monitoring is very important to Fronius. With the Fronius Datamanager, we are the first inverter manufacturer to offer a WLAN interface in the inverter itself. The inverter is connected to the internet without additional cabling and grants you the perfect overview of how the PV system is operating.

Icon: SuperFlex DesignSuperFlex Design

The Fronius SuperFlex Design combines all the system design requirements into a single inverter form. Two MPP trackers combined with a high system voltage and wide input voltage range guarantee maximum flexibility. Every DC input, and therefore every MPP tracker, is able to accommodate the entire nominal output of the inverter. The result: an inverter for every application. Thanks to the SuperFlex Design, a single inverter can cope with any challenge – including different roof orientations, shading of one or two strings, or the use of residual modules.

Icon: Dynamic Peak ManagerDynamic Peak Manager

The Dynamic Peak Manager is a new MPP tracking algorithm that dynamically adapts its behaviour when searching for the optimal operating point. The special feature is that the Dynamic Peak Manager automatically checks the entire characteristic curve on a regular basis and finds the global Maximum Power Point (GMPP), even in partial shade.

Icon: Smart Grid ReadySmart Grid Ready

Fronius inverters are ready for the Smart Grid of tomorrow. The inverters are optimally equipped to meet the technical requirements of grids in the future. A series of smart functions, known as Advanced Grid Features, are built into the devices. These include a number of control functions for optimum feed-in of reactive power and effective power. These functions are designed to enable stable grid operation even when the PV system density is very high and to prevent unwanted interruptions to feed-in and associated yield losses. Fronius inverters therefore help to guarantee the yield of a PV system.

Icon: Zero feed-inZero feed-in

Today, an increasing number of grid operators in various countries are stipulating a PV power feed-in limit as a precondition before a system is connected to the grid. With dynamic power reduction, Fronius is offering a solution for optimum feed-in management. The inverter supplies the household consumers with energy first and then reduces the system output to the maximum energy feed-in permitted by the grid operator. With Fronius inverters, zero feed-in is also a possibility thanks to this function, meaning that no PV power is fed into the grid. The relevant requirements of the grid operator can be fulfilled by simply enabling a setting on the inverter's web interface.

Simple, fast and efficient assembly


Simple, fast and efficient assembly

* Step 1: Attach and wire without effort
BJ integrated DC *

Step 2: Place the inverter section in a few seconds !
wall bracket, lightweight (- 4kg)

Manage your production with Solar.web


Manage your production with Solar.web

Residential solutions


Setting up system monitoring using WLAN


Fronius SnapINverter commissioning checklist


Innovative SnapINverter mounting technology


Technical Data


INPUT DATAFronius Primo 5.0-1Fronius Primo 5.0-1 AUS
Max. Input current
(Idc max 1 / Idc max 2 )
12.0 A / 12.0 A18.0 A / 18.0 A
Max. Array short circuit current 
18.0 A / 18.0 A27.0 A / 27.0 A
Min. Input voltage
(Udc min)
80 V
Feed-in start voltage (Udc start)80 V
Nominal Input voltage (Udc,r)710 V
Max. Input voltage (Udc max)1,000 V
MPP voltage range (Umpp min - Umpp max)240 - 800 V
Number of MPP trackers2
Number of DC connections2+2
Max. PV generator output (Pdc max)7.5 kWpeak
AC nominal output (Pac,r)5,000 W4,600 W
Max. output power5,000 VA5,000 VA
AC output current (Iac nom)21.7 A21.7 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.
Dimensions (height x width x depth)645 x 431 x 204 mm
Weight21.5 kg
Degree of protectionIP 65
Protection class1
Overvoltage category (DC / AC)1)2 / 3
Night time consumption< 1 W
Inverter designTransformerless
CoolingRegulated air cooling
InstallationIndoor and outdoor Installation
Ambient temperature range-40 - +55 °C
Permitted humidity0 - 100 %
Max. altitude4,000 m
DC connection technology4x DC+ 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 4777-2, AS 4777-3, G83/2, G59/3, CEI 0-21, VDE AR N 4105
Max. efficiency98.0 %98.0 %
European efficiency (ηEU)97.1 %97.1 %
η at 5 % Pac,r2)80.8 / 82.5 / 82.5 %80.8 / 82.5 / 82.5 %
η at 10 % Pac,r2)89.6 / 94.8 / 93.1 %89.6 / 94.8 / 93.1 %
η at 20 % Pac,r2)93.4 / 97.2 / 96.2 %93.4 / 97.2 / 96.2 %
η at 25 % Pac,r2)94.1 / 97.3 / 96.8 %94.1 / 97.3 / 96.8 %
η at 30 % Pac,r2)94.7 / 97.4 / 97.0 %94.7 / 97.4 / 97.0 %
η at 50 % Pac,r2)95.8 / 97.9 / 97.7 %95.8 / 97.9 / 97.7 %
η at 75 % Pac,r2)96.1 / 98.0 / 97.9 %96.1 / 98.0 / 97.9 %
η at 100 % Pac,r2)96.2 / 97.9 / 97.9 %96.2 / 97.9 / 97.9 %
MPP adaption efficiency> 99.9 %
DC insulation measurementYes
Overload behaviourOperating point shift, Power limitation
DC disconnectorYes
Reverse polarty protectionYes
WLAN / Ethernet LANFronius Solar.web, Modbus TCP SunSpec, Fronius Solar API (JSON)
6 Inputs and 4 digital in/outInterface to ripple control receiver
USB (A socket)3)Datalogging, Inverter update via USB flash drive
2 x RS 422 (RJ45 socket)3)Fronius Solar Net
Signalling Output3)Energy management (potential-free relay output)
Datalogger and WebserverIncluded
External Input3)S0-Meter Interface / Input for overvoltage protection
RS485Modbus RTU SunSpec or meter connection

1) According to IEC 62109-1
2) And at Umpp min / Udc,r / Umpp max
3) Also available in the light version

Subject to modifications.


Maximum PV input voltage1000 V
Power3000 VA
Monophasé / TriphaséMonophasé
Nombre de MPPT2 MPPT
Inverter power5000VA