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Fronius

Fronius Eco 25.0-3-S Inverter

Product Code: FRONIUS-ECO-25-0-3-S

€2,499.00

+ VAT based on country

Fronius ECO 25.0-3-S is a high-efficiency three-phase on-grid inverter for commercial and industrial PV systems, offering robust design, 1000 V DC input, and reliable performance for large rooftop and ground-mounted installations.

Key Features

  • AC nominal output of 25000 W
  • Three-phase grid connection
  • Single MPPT tracker
  • Wide DC input voltage range (580–1000 V)
  • Maximum efficiency up to 98.2%
  • Built-in communication interfaces
  • Wi-Fi and Ethernet connectivity
  • Modbus TCP/RTU and Solar API support
  • Compatible with smart energy systems
  • Remote monitoring via Fronius Solar.web
  • Dynamic Peak Manager
  • High efficiency conversion
  • Stable output for large-scale systems
  • Smart Grid Ready functionality
  • Optimized performance for long string designs
  • SnapINverter mounting system
  • Lightweight and compact design
  • Indoor and outdoor installation (IP66)
  • Easy servicing and maintenance
  • Protection Class I
  • Overvoltage category II/III
  • Integrated DC protection and fuse holders
  • Reverse polarity protection
  • Compliant with IEC, VDE, and CE standards
  • Commercial photovoltaic systems
  • Industrial solar installations
  • Large-scale rooftop PV systems
  • Ground-mounted solar arrays
  • Energy management systems

In stock

1

Technical Specifications

General

Brand
Fronius
Model
Fronius Eco 25.0-3-S Inverter
SKU
FRONIUS-ECO-25-0-3-S
Power Output
25000 W
Voltage
580 – 850 V DC
Efficiency
98.3 %
Dimensions
725 × 510 × 225 mm
Weight
34.8 kg
Warranty
60 months

Technical

Input Voltage
580 – 1000 V DC
Output Voltage
400 V AC (three-phase)
Frequency
50 / 60 Hz
MPPT Range
580 – 850 V DC
Max PV Power
37500 Wp
Max PV Voltage
1000 V
Max PV Current
44 A
Nominal Power
25000 W
Peak Power
25000 W
THD
< 3 %
Power Factor
0.85 inductive … 0.85 capacitive
Operating Temperature
-25°C to +60°C
Protection Rating
IP66
Cooling
Active cooling
Noise Level
< 50 dB(A)
Certifications
CE, IEC 62109, IEC 61727, IEC 62116, EN 50549
Compatibility
Compatible with commercial and industrial PV systems
Communication
Ethernet, Modbus TCP, RS485
Display
Integrated LED status indicators
Monitoring
Fronius Solar.web (web & app-based monitoring)
Parallel Capability
Yes – multiple inverters supported on the same grid connection
Grid Tie
Yes, with anti-islanding protection
Installation Type
Wall-mounted
Mounting Options
Wall bracket included

The Fronius Eco 25.0-3-S Inverter is a high-performance three-phase solar inverter designed for large-scale commercial and industrial photovoltaic installations. It delivers efficient energy conversion and stable operation, making it ideal for high-power solar systems requiring reliability and performance.

Engineered for large PV systems, the inverter features a single MPPT tracker and a high DC input voltage range, enabling efficient system design with longer string configurations. This helps reduce installation complexity and optimize overall system costs while maintaining high energy yields.

The integrated SnapINverter mounting system allows fast and easy installation, while its lightweight design simplifies handling during setup. With IP66 protection, the inverter is suitable for both indoor and outdoor installations, ensuring durability even in demanding environmental conditions.

Core Electrical Characteristics

  1. AC nominal output of 25000 W
  2. Three-phase grid connection
  3. Single MPPT tracker
  4. Wide DC input voltage range (580–1000 V)
  5. Maximum efficiency up to 98.2%


Connectivity and Integration

  1. Built-in communication interfaces
  2. Wi-Fi and Ethernet connectivity
  3. Modbus TCP/RTU and Solar API support
  4. Compatible with smart energy systems
  5. Remote monitoring via Fronius Solar.web


System Performance and Control

  1. Dynamic Peak Manager
  2. High efficiency conversion
  3. Stable output for large-scale systems
  4. Smart Grid Ready functionality
  5. Optimized performance for long string designs


Design and Installation

  1. SnapINverter mounting system
  2. Lightweight and compact design
  3. Indoor and outdoor installation (IP66)
  4. Easy servicing and maintenance


Safety and Compliance

  1. Protection Class I
  2. Overvoltage category II/III
  3. Integrated DC protection and fuse holders
  4. Reverse polarity protection
  5. Compliant with IEC, VDE, and CE standards


Typical Applications

  1. Commercial photovoltaic systems
  2. Industrial solar installations
  3. Large-scale rooftop PV systems
  4. Ground-mounted solar arrays
  5. Energy management systems

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