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Perfect Welding / Solar Energy / Perfect Charging
FRONIUS ECO
The compact project inverter for maximum yields
SnapINverter
Technology
Integrated data
communication
Dynamic Peak
Manager
Smart Grid
Ready
Zero feed-in
The three-phase Fronius Eco in power categories 25.0 and 27.0 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 FRONIUS ECO
INPUT DATA FRONIUS ECO 25.0-3-S FRONIUS ECO 27.0-3-S
Number of MPP trackers 1
Max. input current (I
Max. array short circuit current (I
DC input voltage range (U
Feed-in start voltage (U
Usable MPP voltage range 580 - 850 V **
Number of DC connections 6
Max. PV generator output (P
* Isc pv = Isc max ≥ Isc (STC) x 1,25 according to e.g. IEC 60364-7-712, NEC 2020, AS/NZS 5033:2021. ** based on 230 V grid voltage
OUTPUT DATA FRONIUS ECO 25.0-3-S FRONIUS ECO 27.0-3-S
AC nominal output (P
Max. output power / rated apparent power 25,000 VA 27,000 VA
AC output current (I
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)
Total harmonic distortion < 2.0 %
Power factor (cos
) 44.2 A 47.7 A
dc max
ac,r
ac nom
) 0 - 1 ind. / cap.
φac,r
) * 98 A
sc pv
- U
dc min
dc start
) 25,000 W 27,000 W
)
) 580 - 1,000 V
dc max
) 650 V
) 37.8 kW
dc max
37.9 A / 36.2 A 40.9 A / 39.1 A
peak
GENERAL DATA FRONIUS ECO 25.0-3-S FRONIUS ECO 27.0-3-S
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)
Night-time consumption < 1 W
Inverter concept Transformerless
Cooling Regulated air cooling
Installation (DIN rail) Indoor and outdoor installation (106 x 90 x 66 mm)
Ambient temperature range -25 - +60 °C
Permitted humidity 0 to 100 %
Max. altitude 2,000 m / 2,500 m unrestricted / restricted voltage range
DC connection technology 6x DC+ and 6x DC- screw terminals 2.5 - 16 mm²
AC connection technology 5-pole AC screw terminals 2.5 - 16 mm²
Certificates and compliance with standards
Country of manufacture Austria
1)
According to IEC 62109-1. DIN rail for optional type 1 + 2 or type 2 surge protection device available.
Further information regarding the availability of the inverters in your country can be found at www.fronius.com.
1)
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, G98, G99, UNE 206007-1, SI 4777, CEI 0-16, CEI 0-21
2 / 3
Text and images c orrespond to t he current state of techn ology at the t ime of printing. Subject to mo dificat ions.
All info rmation is w ithout gua rantee in spite of carefu l editing - liabilit y excluded. C opyright © 2 011 Fronius™. All rights re served .
FRONIUS ECO 27.0.3-S EFFICIENCY CURVE FRONIUS ECO 27.0.3-S TEMPERATURE DERATING
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
■
580 V
DC
■ 850 V
DC
EFFICIENCY [%]
STANDARDISED OUTPUT POWER PAC/P
AC,R
92
94
98
96
86
90
100
88
84
82
0
30 35 40 45 50
■
580 V
DC
■ 850 V
DC
10,000
20,000
30,000
15,000
25,000
5,000
OUTPUT POWER [W]
AMBIENT TEMPERATURE [°C]
TECHNICAL DATA FRONIUS ECO
EFFICIENCY FRONIUS ECO 25.0-3-S FRONIUS ECO 27.0-3-S
Max. eciency 98.2 % 98.3 %
European eciency (ηEU) 98.0 % 98.0 %
MPP adaptation eciency > 99.9 %
PROTECTION DEVICES FRONIUS ECO 25.0-3-S FRONIUS ECO 27.0-3-S
DC insulation measurement Yes
Overload behavior Operating point shift, power limitation
DC disconnector Yes
Integrated string fuse holders
Reverse polarity protection Yes
RCMU Yes
1)
Yes
INTERFACES FRONIUS ECO 25.0-3-S FRONIUS ECO 27.0-3-S
WLAN / Ethernet LAN Fronius Solar.web, Modbus TCP SunSpec, Fronius Solar API (JSON)
6 inputs and 4 digital inputs/outputs Interface to ripple control receiver
USB (A socket)
2x RS422 (RJ45 socket)
Signalling output
Datalogger and Webserver Included
External input
RS485 Modbus RTU SunSpec or meter connection
1)
Optionally fitted with 6 fuses 15 A / 1,000 V on the plus side. 2) Also available in the light version.
Further information and technical data can be found at www.fronius.com.
2)
2)
2)
2)
/ Perfect Welding / Solar Energy / Perfect Charging
THREE BUSINESS UNITS, ONE GOAL: TO SET THE STANDARD THROUGH TECHNOLOGICAL ADVANCEMENT.
What began in 1945 as a one-man operation now sets technological standards in the fields of welding technology, photovoltaics and battery charging. Today, the
company has around 5,660 employees worldwide and 1,321 patents for product development show the innovative spirit within the company. Sustainable
development means for us to implement environmentally relevant and social aspects equally with economic factors. Our goal has remained constant throughout:
to be the innovation leader.
Further information about all Fronius products and our global sales partners and representatives can be found at www.fronius.com
Datalogging, inverter update via USB flash drive
S0 meter connection / Evaluation of overvoltage protection
Fronius Solar Net
Energy management (floating relay output)
M,06,0183,EN v19 Apr 2023
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