Fronius Symo 10.0-3-M (2MPPT) Three Phase Inverter
Fronius Solar.web interface
Fronius Solar.web Application
Fronius Solar.web interface
Fronius Solar.web Application

Fronius Symo 10.0-3-M (2MPPT) Tri


Boasting power categories ranging from 3.0 to 20.0 kW, the transformerless Fronius Symo is the three-phase inverter for systems of every size. The high system voltage, wide input voltage range and two MPP trackers ensure maximum flexibility in system design. 

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Product warranty: 5 years

Fronius Symo 10.0-3-M...

Fronius symo

The high system voltage, wide input voltage range and two MPP trackers ensure maximum flexibility in system design. The standard interface to the internet via WLAN or Ethernet and the ease of integration of third-party components make the Fronius Symo one of the most communicative inverters on the market.


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.

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.

SuperFlex 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.

Dynamic 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.

Smart 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.

Zero 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.

Technical Data

INPUT DATAFronius Symo 10.0-3-M
Max. input current 
(Idc max1 / Idc max2)
27.0 A / 16.5 A1)
Max. usable input current total
(Idc max1 + Idc max2)
43.5 A
Max.array short circuit current (MPP1 / MPP2) 40.5 A / 24.8 A
Min. input voltage (Udc min) 200 V
Feed-in start voltage (Udc start) 200 V
Nominal input voltage (Udc,r) 600 V
Max. input voltage
(Udc max)
1,000 V
MPP voltage range
(Umpp min - Umpp max)
270 - 800 V
Number of MPP trackers 2
Number of DC connections 3 + 3
Max. PV generator output (Pdc max) 15.0 kWpeak
AC nominal output (Pac,r) 10,000 W
Max. output power 10,000 VA
AC output current (Iac nom) 14.4 A
Grid connection (voltage range) 3~NPE 400 V / 230 V or 3~NPE 380 V / 220 V (+20 % / -30 %)
Frequency (frequency range) 50 Hz / 60 Hz (45 - 65 Hz)
Frequency range (fmin - fmax) 45 - 65 Hz
Total harmonic distortion 1.8 %
Power factor (cos φac,r) 0 - 1 ind. / cap.
(height x width x depth)
725 x 510 x 225 mm
Weight 34.8 kg
Degree of protection IP 66
Protection class 1
Overvoltage category (DC / AC)2) 1 + 2 / 3
Night time consumption < 1 W
Inverter design Transformerless
Cooling Regulated air cooling
Installation Indoor and outdoor installation
Ambient temperature range -25°C to +60°C
Permitted humidity 0 % to 100 %
Max. altitude 2,000 m / 3,400 m (unrestricted / restricted voltage range)
DC connection technology 6x DC+ and 6x DC- screw terminals 2.5 mm² - 16 mm²
AC connection technology 5-pin AC screw terminals 2.5 mm² - 16 mm²
Certificates and compliance with standards ÖVE / ÖNORM E 8001-4-712, DIN V VDE 0126-1-1/A1, VDE AR N 4105, IEC 62109-1/-2, IEC 62116, IEC 61727, AS 3100, AS 4777-2, AS 4777-3, CER 06-190, G83/2, UNE 206007-1, SI 4777, CEI 0-16, CEI 0-21, NRS 097
Max. efficiency 98.0 %
European efficiency (ηEU) 97.4 %
η at 5 % Pac,r3)  87.9 / 92.5 / 89.2 % 
η at 10 % Pac,r3) 91.2 / 94.9 / 92.8 %
η at 20 % Pac,r3) 94.6 / 97.1 / 96.1 %
η at 25 % Pac,r3) 95.4 / 97.3 / 96.6 %
η at 30 % Pac,r3) 95.6 / 97.5 / 96.9 %
η at 50 % Pac,r3) 96.3 / 97.9 / 97.4 %
η at 75 % Pac,r3) 96.5 / 98.0 / 97.6 %
η at 100 % Pac,r3) 96.5 / 98.0 / 97.6 %
MPP adaption efficiency > 99.9 %
DC insulation measurement Yes
Overload behaviour Operating point shift, power limitation
DC disconnector Yes
Reverse polarity protection Yes
WLAN / Ethernet LAN Fronius Solar.web, Modbus TCP SunSpec, Fronius Solar API (JSON)
6 inputs and 4 digital in/out Interface to ripple control receiver
USB (type A socket)4) Datalogging, inverter update via USB flash drive
2 x RS422 (RJ45 socket)4) Fronius Solar Net, Interface protocol
Signalling output4) Energy management (floating relay output)
Datalogger and Webserver Included
External input 4) S0 meter connection / Evaluation of overvoltage protection
RS485 Modbus RTU SunSpec or meter connection

1) 14.0 A for voltages < 420 V
2) Testing to IEC 62109-1. DIN rail for optional type 1 + 2 and type 2 overvoltage protection available. 
3) And at Umpp min / Udc,r / Umpp max
4) Available from autumn 2014.

Subject to modifications.

5 Items

Data sheet

Inverter power
Monophasé / Triphasé
Nombre de MPPT

Specific References



Fiche Technique Symo

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