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FRONIUS Eco 25.0-3-s

The three-phase Fronius Eco power 25.0 kW perfectly meets all the requirements of large-scale installations. Thanks to its light weight and SnapINverter mounting system, this transformerless device can be installed quickly and easily either indoors or outdoors. This inverter range is setting new standards with its IP 66 protection class. Furthermore, thanks to its integrated double fuse holders and optional overvoltage protection, string collection boxes are no longer necessary.


SKU: eco-25.0
6209 €3,166.59 VAT included

Availability: Backorder

Delivery time: 8-30 days

  • Buy 2 for €2,561.59 each and save 20%
FRONIUS Eco 25.0-3-s is available for purchase in increments of 1
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The three-phase Fronius Eco power 25.0 kW perfectly meets all the requirements of large-scale installations. Thanks to its light weight and SnapINverter mounting system, this transformerless device can be installed quickly and easily either indoors or outdoors. This inverter range is setting new standards with its IP 66 protection class. Furthermore, thanks to its integrated double fuse holders and optional overvoltage protection, string collection boxes are no longer necessary.

Technical Data

INPUT DATAFronius Eco 25.0-3-S
Max. input current 
(Idc max)		 44.2 A
Max. array short circuit current
(Isc PV)		 71.6 A
Min. input voltage (Udc min) 580 V
Feed-in start voltage (Udc start) 650 V
Nominal input voltage (Udc,r) 580 V
Max. input voltage
(Udc max)		 1,000 V
MPP voltage range at Pnom
(Umpp min - Umpp max)		 580 - 850 V
Usable MPP voltage range 580 - 850 V
Number of MPP trackers 1
Number of DC connections 6
Max. PV generator output (Pdc max) 37.8 kWpeak
OUTPUT DATA 
AC nominal output (Pac,r) 25,000 W
Max. output power 25,000 VA
AC output current (Iac no) 37.9 A / 36.2 A
Grid connection (voltage range) 3~NPE 380 V / 220 V or 3~NPE 400 V / 230 V (+20 % / -30 %)
Frequency (frequency range) 50 Hz / 60 Hz (45 - 65 Hz)
Frequency range (fmin - fmax) 45 - 65 Hz
Total harmonic distortion < 2.0 %
Power factor (cos φac,r) 0 - 1 ind. / cap.
GENERAL DATA 
Dimensions
(height x width x depth)		 725 x 510 x 225 mm
Weight 35.7 kg
Degree of protection IP 66
Protection class 1
Overvoltage category (DC / AC)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
DC connection technology 6x DC+ and 6x DC- screw terminals 2.5 mm² - 16 mm²
AC connection technology 5 pole 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, G59/3, UNE 206007-1, SI 4777, CEI 0-16, CEI 0-21
EFFICIENCY 
Max. efficiency 98.2 %
European efficiency (ηEU) 98.0 %
η at 5 % Pac,r2)  95.1 / 91.5 % 
η at 10 % Pac,r2) 97.0 / 95.2 %
η at 20 % Pac,r2) 97.8 / 96.9 %
η at 25 % Pac,r2) 98.0 / 97.0 %
η at 30 % Pac,r2) 98.1 / 97.2 %
η at 50 % Pac,r2) 98.2 / 97.5 %
η at 75 % Pac,r2) 98.2 / 97.5 %
η at 100 % Pac,r2) 98.2 / 97.5 %
MPP adaption efficiency > 99.9 %
PROTECTIVE DEVICES 
DC insulation measurement Yes
Overload behaviour Operating point shift, power limitation
DC disconnector Yes
Integrated string fuse holders3) Yes
Reverse polarity protection Yes
INTERFACES 
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 Input4) S0 meter connection / Evaluation of overvoltage protection
RS485 Modbus RTU SunSpec or meter connection


1) Testing to IEC 62109-1. DIN rail for optional type 1 + 2 or type 2 surge protection device available. 
2) And at Umpp min / Udc,r / Umpp max
3) Optionally fitted with 6 fuses 15 A/ 1,000 V on the plus side.
4) Also available in the light version.

Subject to modifications.

View FileТехнически данни (Aнглийски) / Datasheet    File size: (500.15 KB)
View FileCE Декларация / CE Declaration    File size: (162.58 KB)