# Fronius Eco 25.0-3-S Inverter

- **Brand:** Fronius
- **SKU:** FRONIUS-ECO-25-0-3-S
- **GTIN:** 9007947073935
- **MPN:** 4,210,059
- **Price:** 2,499.00 EUR
- **Availability:** In stock
- **Categories:** Inverters

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.

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

## Specifications

| Spec | Value |
| --- | --- |
| Thd | < 3 % |
| Weight | 34.8 kg |
| Cooling | Active cooling |
| Display | Integrated LED status indicators |
| Voltage | 580 – 850 V DC |
| Grid tie | Yes, with anti-islanding protection |
| Power kw | 25 |
| Warranty | 60 months |
| Frequency | 50 / 60 Hz |
| Dimensions | 725 × 510 × 225 mm |
| Efficiency | 98.3 % |
| Monitoring | Fronius Solar.web (web & app-based monitoring) |
| Mppt count | 1 |
| Mppt range | 580 – 850 V DC |
| Peak power | 25000 W |
| Phase type | three-phase |
| Noise level | < 50 dB(A) |
| Max pv power | 37500 Wp |
| Power factor | 0.85 inductive … 0.85 capacitive |
| Power output | 25000 W |
| Communication | Ethernet, Modbus TCP, RS485 |
| Compatibility | Compatible with commercial and industrial PV systems |
| Input voltage | 580 – 1000 V DC |
| Inverter type | standard |
| Nominal power | 25000 W |
| Certifications | CE, IEC 62109, IEC 61727, IEC 62116, EN 50549 |
| Max pv current | 44 A |
| Max pv voltage | 1000 V |
| Output voltage | 400 V AC (three-phase) |
| Mounting options | Wall bracket included |
| Installation type | Wall-mounted |
| Protection rating | IP66 |
| Parallel capability | Yes – multiple inverters supported on the same grid connection |
| Operating temperature | -25°C to +60°C |