REFUsol 25K-3T - String inverter
Product information "REFUsol 25K-3T - String inverter"
The REFUsol 25K-3T is a compact 25 kW string inverter with three MPP trackers and an efficiency of up to 98.6% – ideal for commercial PV systems.
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REFUsol 25K-3T – Flexible, efficient, robust
With three independent MPP trackers, the 25K-3T offers maximum freedom in string configuration for different roof orientations and complex system designs. Its high long-term overload capacity of 110%, simple installation and integrated communication interfaces make it a reliable choice for rooftops and ground-mounted installations.
Highlights
- 3 MPP trackers for flexible string configurations
- Efficiency up to 98.6% (EU efficiency 98.2%)
- 110% overload capacity for higher energy yield
- Compatible with older REFUsol devices – ideal for repowering
- Communication via Ethernet, RS485, USB or optional WiFi
- Integrated DC disconnect switch & comprehensive protection functions
- Online monitoring via REFUview
- IP65 enclosure for indoor and outdoor use
- 10-year manufacturer’s warranty
Technical data – REFUsol 25K-3T
| Rated power (AC) | 25 kW |
|---|---|
| Max. AC power | 28 kVA |
| Recommended PV output | up to 37.5 kWp |
| Max. input voltage | 1100 V |
| Operating voltage range | 180 – 1000 V |
| Number of MPP trackers | 3 |
| Max. current per MPPT | 40 A |
| Max. output current | 42.4 A |
| Mains connection | 3P/N/PE – 230/400 V, 50/60 Hz |
| Efficiency (max. / EU) | 98.6% / 98.2% |
| Protection rating | IP65 |
| Cooling | Active (fan-assisted) |
| Dimensions (H × W × D) | 480 × 585 × 220 mm |
| Weight | 36 kg |
| Certificates | VDE-AR-N 4105, VDE-AR-N 4110, EN 50549-1, etc. |
| Item number | 853P025 |
Safety & Communication
Comprehensive protection functions: DC reverse polarity protection, anti-islanding, overcurrent/overvoltage and overtemperature protection, as well as earth fault monitoring. Communication via RS485, USB, Ethernet or optional WiFi logger. An integrated LCD display enables easy on-site operation; remote monitoring via the REFUview platform.
Conclusion
High efficiency, substantial reserves and versatile connectivity – the REFUsol 25K-3T is the robust solution for small to medium-sized commercial and industrial installations, as well as repowering projects.
| Item height (mm): | 189 |
|---|---|
| Item length (mm): | 430 |
| Item width (mm): | 520 |
| Manufacturer's part number: | 853P025.000 |
| Weight (kg): | 36 |
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