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Fronius Eco 25kW 3-Phase Grid-Tie Solar Inverter 1MPPT WLAN
Description
Fronius Grid-Tied PV Inverter 25kW 3-Phase 1MPPT WLAN Eco
Grid-tied PV inverter 25kW 3-phase 1MPPT WLAN 25.0-3-S Fronius from the Eco series is ideal for large installations, available in 25.0 and 27.0 kW power ratings.
Thanks to its low weight and SnapINverter mounting system, it is easy to install both indoors and outdoors. It has an IP 66 protection rating, setting a new standard. The use of integrated module fuse holders on both poles and optional surge protection eliminates the need for module junction boxes.
SnapINverter technology is based on the separation of the connection section and power module, making installation and maintenance significantly simpler than before.
The Fronius inverter offers full integration of WLAN datalogging, Ethernet, energy management, web server and connectors, enabling installation status monitoring. Thanks to Modbus TCP, Modbus RTU SunSpec or Fronius Solar API (JSON) interfaces, components from other manufacturers can be connected. Additionally, the company provides the Fronius Solar.web portal and the possibility of using open interfaces.
Dynamic Peak Manager is a system that dynamically searches for the optimal operating point even with partial shading of PV panels, allowing maximum utilisation of available energy.
Fronius inverters are prepared to meet future grid standards and requirements through Advanced Grid Features, ensuring optimal reactive and active power supply.
The system allows power supply to be adjusted to the grid operator's requirements, providing the ability to set zero feed-in, where the inverter only supplies the household without feeding the grid with power generated by the photovoltaic installation.
Fronius, a leader in innovation and modern solutions in photovoltaics, offers high-quality products ensuring long-term and trouble-free operation of PV installations.
Input data
| Parameter | Value |
|---|---|
| Maximum input current (Idc max) | 44.2 A |
| Maximum module array short-circuit current | 66.3 A |
| Minimum input voltage (Udc min) | 580 V |
| Start-up voltage (Udc start) | 650 V |
| Rated input voltage (Udc,r) | 580 V |
| Maximum input voltage (Udc max) | 1000 V |
| MPP voltage range (Umpp min – Umpp max) | 580–850 V |
| Number of MPP trackers | 1 |
| Number of DC connections | 6 |
Output data
| Parameter | Value |
|---|---|
| Rated AC power (Pac,r) | 25,000 W |
| Maximum output power | 25,000 VA |
| AC output current (Iac nom) | 36.1 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) |
| Total harmonic distortion | < 2.0% |
| Power factor (cos φac,r) | 0–1 ind. / cap. |
Standards
| Parameter | Value |
|---|---|
| Certificates and standards compliance | 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, G83/2, G59/3, UNE 206007-1, SI 4777, CEI 0-16, CEI 0-21 |
Efficiency
| Parameter | Value |
|---|---|
| Maximum efficiency | 98.2% |
| European efficiency (ηEU) | 98.0% |
| η at 5% Pac,r | 95.1/91.5% |
| η at 10% Pac,r | 97.0/95.2% |
| η at 20% Pac,r | 97.8/96.9% |
| η at 25% Pac,r | 98.0/97.0% |
| η at 30% Pac,r | 98.1/97.2% |
| η at 50% Pac,r | 98.2/97.5% |
| η at 75% Pac,r | 98.2/97.5% |
| η at 100% Pac,r | 98.2/97.5% |
| MPP adaptation efficiency | > 99.9% |
Protection
| Parameter | Value |
|---|---|
| DC insulation measurement | Yes |
| Overload behaviour | Operating point shift, power limiter |
| DC disconnect | Yes |
| Integrated module fuse holder | Yes |
Connections
| Parameter | Value |
|---|---|
| WLAN / Ethernet LAN | Fronius Solar.web, Modbus TCP SunSpec, Fronius Solar API (JSON) |
| 6 inputs and 4 digital inputs/outputs | Connection to remote control receiver |
| USB (type A socket) | Data logging, inverter updates via USB storage |
| 2x RS422 (RJ45 socket) | Fronius Solar Net |
| Signal output | Energy management (potential-free relay output) |
| Data logger and web server | Integrated |
| External input | S0 meter connection / surge protection monitoring |
| RS485 | Modbus RTU SunSpec or energy meter connection |
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Technical data
| Type | On-grid |
| Power | > 20 kW |
| Number of phases | Three-phase |
| Number of MPPT | 1 MPPT |
| WiFi | Yes |
| DC switch | Yes |