Fronius Symo Advanced

Designed to rely on.

Further developed with safety in mind: the Fronius Symo Advanced opens the next chapter in the Fronius SnapINverter portfolio. The inverter combines proven performance with new safety technology, making the Fronius Symo Advanced the future-proof choice for commercial photovoltaic systems of all sizes. The latest generation of the inverter with power categories ranging from 10 to 20 kW impresses with reliable arc protection through the new Fronius Arc Guard technology, SuperFlex Design for absolute freedom in roof planning and maximum yields through the Dynamic Peak Manager.

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Product details

Technical Data

Input Data

Number of MPP trackers	2
Max. input current (I_{dc max})	33,0 / 27,0 A
Max. short circuit current, module array*	68,0 / 55,7 A
DC input voltage range (U_{dc min} - U_{dc max})	200 - 1000 V
Feed-in start voltage (U_{dc start})	200 V
Nominal input voltage (U_dc,r)	600 V
MPP voltage range (U_{mpp min} - U_{mpp max})	420 - 800 V
Usable MPP voltage range	200 - 800 V
Number of DC connections	3 + 3
Max. PV generator power (P_{dc max})	30 kWpeak

Output Data

AC nominal output (P_ac,r)	20 kW
Max. output power (P_{ac max})	20 kVA
AC output current (I_{ac nom})	28,9 A
Grid connection (U_ac,r)	3~NPE 400/230, 3~NPE 380/220 V
AC voltage range (U_min - U_max)	150 - 280 V
Frequency (f_r)	50 / 60 Hz
Frequency range (f_min - f_max)	45 - 65 Hz
Total harmonic distortion	<3% @Pnom (230/400VAC 50Hz)
Power factor (cos φ_ac,r)	0 - 1 ind./cap.

General Data

Width	510 mm
Height	725 mm
Depth	225 mm
Weight	39,8 kg
Weight incl. packaging	46,2 kg
Degree of protection	IP 66
Protection class	1
Overvoltage category (DC / AC)¹⁾	2 / 3
Night-time consumption	<1 W
Cooling	Regulated air cooling
Installation	Indoor and outdoor installation
Ambient temperature range	-25°C - +60°C
Permitted humidity	0 - 100 %
Max. altitude ²⁾	2 000 m / 3 400 m
DC connection technology	6x DC+ and 6x DC- screw terminals 2.5 - 16 mm²
AC connection technology	5-pin AC screw terminals 2.5 - 16 mm²
Certificates and compliance with standards	IEC 62109-1/-2, IEC 62116, IEC 61727, VDE 0126-1-1/A1, VDE AR-N 4105, G98/1, G99/1, AS/NZS 4777.2, UNE 206007-1, CEI 0-21, CEI 0-16, NRS 097-2-1, TOR Erzeuger Typ A, VDE AR-N 4110, EN 50549-1/-2, IEC 61683, IEC60068, IEC 63027:2023
Interference emission class	B

Efficiency

Max. efficiency (PV - grid)	97,8 %
European efficiency (ηEU)	96.7 / 97.6 / 97.2%
η at 5% P_ac,r³⁾	93.6 / 95.5 / 82.5%
η at 10% P_ac,r³⁾	95.5 / 96.7 / 95.6%
η at 20% P_ac,r³⁾	96.6 / 97.6 / 97.0%
η at 25% P_ac,r³⁾	96.8 / 97.7 / 97.2%
η at 30% P_ac,r³⁾	96.9 / 97.7 / 97.2%
η at 50% P_ac,r³⁾	96.9 / 97.8 / 97.3%
η at 75% P_ac,r³⁾	96.8 / 97.8 / 97.5%
η at 100% P_ac,r³⁾	96.7 / 97.7 / 97.4%
MPP adaptation efficiency	>99.9%

Protection Devices

DC insulation measurement	Yes
Overload behaviour	Operating point shift. Power limitation
DC disconnector	Yes
DC Reverse polarity protection	Yes
Arc fault circuit interrupter (Fronius Arc Guard)	Yes

Interfaces

Wi-Fi / Ethernet LAN	Fronius Solar.web, Modbus TCP SunSpec, Fronius Solar API (JSON)
6 inputs and 4 digital I/Os	Interface to ripple control receiver, energy management
USB (type A socket)⁴⁾	Data logging, inverter update via USB flash drive
2x RS422 (RJ45 socket) ⁴⁾	Fronius Solar Net
Signalling output ⁴⁾	Energy management (floating relay output)
Datalogger and web server	Included
External input ⁴⁾	S0 meter connection / Evaluation of overvoltage protection
RS485	Modbus RTU SunSpec or meter connection

Technology

SnapINverter technology

The SnapINverter generation of inverters features a simple, standardised mounting system, making installation and maintenance easier than ever. A special feature in the design of the device is that the connection area is separate from the power stage set compartment, with both being installed separately. The remarkably light connection area and all its cabling is fitted to the wall first, followed by the power stage set. The innovative hinged system makes installation and servicing extremely user-friendly. The inverter is simply placed in the wall bracket and then secured. This means that it is not necessary to remove the entire inverter for servicing, just the power stage set. All the cabling remains in place.

Integrated data communication

We are the first inverter manufacturer to offer a data communication package with fully integrated datalogging, WLAN, Ethernet, energy management, web server and a range of interfaces. The inverter is connected to the internet by network cable or WLAN - without additional cabling - and grants you the perfect overview of how the PV system is operating. Connection to third-party components is provided by means of interfaces such as Modbus TCP SunSpec, Modbus RTU SunSpec or Fronius Solar API (JSON). The open interfaces can also be operated in parallel to the Fronius Solar.web.

SuperFlex Design

The Fronius SuperFlex Design is an ingenious combination of technical performance attributes that make designing your PV system not only extremely simple, but also incredibly flexible. The key performance factors of the SuperFlex Design are two MPP trackers, together with a high system voltage and wide DC input voltage range. Every DC input, and therefore every MPP tracker, is able to accommodate the entire nominal output of the inverter. Regardless of whether the inverter has to cope with different roof orientations, shading of one or two strings, or the use of residual modules: a Fronius inverter featuring integrated SuperFlex Design will satisfy every conceivable operational PV system planning scenario using just a single inverter model.

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. They 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 if grid parameters exceed the thresholds. Fronius inverters therefore help to guarantee the yield of a PV system. Furthermore, where feed-in limits are imposed, Fronius inverters can provide dynamic feed-in control with self-consumption taken into account. Just connect the meter and set the feed-in limit!

Arc Fault Circuit Interruption Integrated

The Fronius Arc Fault Circuit Interruption (AFCI) makes each inverter NEC 2011 compliant and maintains some of the most civilized, integrated technology available today. Ensuring the utmost safety, AFCI shuts down the inverter in the event of an arc fault.

Active Cooling

Active cooling technology relies on one or more fans, which not only avoid hot spots, but also regulate the air circulation inside the inverter, thus keeping the temperature of the power electronics low. This has a positive effect on the service life of the devices, optimises yields and reduces costs. At Fronius, active cooling is supplied as standard in all devices.

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FOOTNOTES FOR TECHNICAL DATA

1) According to IEC 62109-1. DIN rail for optional type 1 + 2 or type 2 surge protection device available.

2) Unrestricted/restricted voltage range.

3) And at Umpp min / Udc,r / Umpp max.

4) Also available in the light version.

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