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String solar inverter Fronius ECO 25.0-3-S (25 kW, 3 phases, 1 MPPT)

Brand: Fronius Model: ECO 25.0-3-S SKU: 00167
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Brand: Fronius
169 846.20 ₴
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Nova Poshta Nova Poshta
Ukrposhta Ukrposhta
By courier around the city (Kyiv) By courier around the city (Kyiv)
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String solar inverter Fronius ECO 25.0-3-S (25 kW, 3 phases, 1 MPPT)
169 846.20 ₴
Description

Fronius ECO 25.0-3-S Grid-Tied Solar Inverter


Powerful Solution for Three-Phase Systems


The Fronius ECO 25.0-3-S grid-tied solar inverter is an ideal choice for large solar installations requiring stable operation and maximum efficiency. With a 25 kW power output and three-phase connectivity, the inverter ensures reliable energy conversion and seamless integration into industrial and commercial electrical grids.


Manufacturer Fronius


Innovative Austrian Quality with Decades of Experience


Fronius is a leading Austrian manufacturer in the field of energy technologies. Founded in 1945, the company specializes in developing inverters, charging devices, and welding systems. Fronius actively implements innovations in solar energy, focusing on sustainability and efficiency. Its products have gained international recognition and are widely used in over 60 countries worldwide.

Fronius grid-tied inverters are distinguished by high precision, durability, and advanced monitoring capabilities. Interesting fact: Fronius was the first in the world to introduce the SnapINverter system, which significantly simplifies inverter installation.


Overview of the Fronius ECO 25.0-3-S Grid-Tied Inverter


Reliability and Optimization in Every Detail


The Fronius ECO 25.0-3-S inverter is designed for commercial use. With a single MPPT tracker and three-phase connection, it is suitable for systems with uniformly oriented panels. Its robust design allows for outdoor installation without additional protection, while an active cooling system ensures stable operation.


Operating Principle of the Fronius ECO 25.0-3-S Grid-Tied Inverter


Efficient Current Conversion for the Grid


The inverter converts direct current generated by solar panels into alternating current that feeds into the general electrical grid. This enables efficient use of generated energy or its transfer to the grid.

With a single MPPT tracker, the model is ideal for rooftop and ground-mounted systems with uniform lighting, ensuring maximum productivity with minimal energy losses.

The inverter supports integration with the Fronius Solar.web monitoring system, allowing users to track the power plant’s status and access analytics in real time.


Main Technical Specifications of Fronius ECO 25.0-3-S


Key Technical Parameters of the Inverter


  • Inverter Type: Grid-Tied
  • Power: 25 kW
  • Number of Phases: 3
  • Number of MPPTs: 1
  • Sine Waveform: Pure Sine Wave
  • Nominal Frequency: 50 Hz

Advantages of Fronius ECO 25.0-3-S


Performance and Reliability First


This inverter stands out for its high efficiency, compact design, and ease of maintenance. Its transformerless design reduces heat losses, and the integrated active cooling system extends equipment lifespan even under heavy loads.


Installation and Connection of the Fronius ECO 25.0-3-S Inverter


Reliable Installation with Quality Guarantee


Lirik Solar’s specialists provide professional installation of the Fronius ECO 25.0-3-S in compliance with all technical standards. We handle the full cycle: equipment selection, delivery, installation, commissioning, and connection to monitoring systems. All work is backed by an official warranty.


Price of Fronius ECO 25.0-3-S


Cost-Effective Investment in Quality Equipment


The Fronius ECO 25.0-3-S inverter offers a competitive price due to its Austrian quality, official warranty, and high reliability. Contact Lirik Solar’s managers to check the current price and find the best solution for your needs.


Why Choose the Fronius 25 kW Grid-Tied Inverter


The Best Choice for Industrial Projects


The Fronius ECO 25.0-3-S is the choice of professionals. It is selected for its high efficiency, easy integration into large-scale systems, exceptional quality, and the impeccable reputation of the brand.


Benefits of the Fronius ECO 25.0-3-S Inverter


Five Key Advantages of the Device


  • Austrian quality and reliability
  • Compact design and easy installation
  • High efficiency even at high temperatures
  • Compatibility with Solar.web for monitoring
  • Official warranty and support

How and Where to Buy the Fronius ECO 25.0-3-S Grid-Tied Solar Inverter


Convenient Purchase Process with Delivery


The Fronius ECO 25.0-3-S can be purchased through Lirik Solar via phone, messengers, email, or by submitting a request on the website. We offer courier delivery in Kyiv, Nova Poshta shipping across Ukraine, or self-pickup from the company’s warehouse.


Lirik Solar – Professional Installation of Solar Power Plants


High Level of Service and Expertise


Lirik Solar has over 8 years of experience in the solar energy market. We provide a full range of services: design, equipment selection, installation, and maintenance of systems of any complexity. Our goal is to deliver high-quality equipment and ensure energy independence for our clients for years to come.


Take a Step Toward Energy Independence with Fronius


Your Inverter for Professional Use


Don’t wait! Order the Fronius ECO 25.0-3-S from Lirik Solar. Get a high-quality product, expert support, and guaranteed reliability from a leading solar inverter manufacturer.


Fronius ECO 25.0-3-S Datasheet

Specifications
Характеристики инвертора
Manufacturer
Fronius
Model
ECO 25.0-3-S
Inverter type
String inverter
Number of phases
3
Sine wave shape
Pure sine wave
Maximum input voltage (V)
1000
Nominal input voltage of photovoltaic modules (V)
580
MPPT Voltage Range (V)
580-850
Maximum input current of photovoltaic system (A)
44,2
Maximum short circuit current (A)
71,6
Number of MPPT
1
Number of strings on MPPT
6
Rated AC Output Active Power (W)
25000
Max AC Output Active Power (W)
25000
Nominal output voltage (V)
380/220; 400/230
Nominal AC frequency (Hz)
50/60
AC Output Rated Current (A)
36,2
Max. AC Output Current (A)
37,9
Maximum efficiency (%)
98,2 %
European efficiency (%)
98,0 %
MPPT efficiency (%)
> 99,9 %
Display presence
+
Cooling type
Intelligent Air Cooling
Communication with BMS
2 x RS422; RS485
Minimum operating temperature ('C)
-25℃
Maximum operating temperature ('C)
+60℃
Protection class (IP)
IP66
Color
White
Country of manufacture
Austria
Height (cm)
51.0
Width (cm)
72.5
Depth (cm)
22.5
Weight (kg)
35,7
Warranty
5 years
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169 846.20 ₴