REFUsol 350K-8T - String inverter
Product information "REFUsol 350K-8T - String inverter"
The REFUsol 350K-8T is a high-performance central inverter with eight MPP trackers, up to 99.05% efficiency and 1,500 V DC – ideal for large commercial and industrial installations.
More information
REFUsol 350K-8T – Maximum performance for large-scale projects
The REFUsol 350K-8T has been specially developed for use in large commercial and industrial PV systems. Eight independent MPP trackers with a total of 32 DC inputs (4 per MPPT) offer maximum flexibility for complex system designs. With an efficiency of up to 99.05% and a wide DC voltage range of 500–1,500 V, the inverter enables efficient system design and maximum energy yields.
The robust IP66 enclosure, intelligent air cooling and comprehensive communication options make the 350K-8T the ideal solution for large PV parks, roof clusters and carport installations. Features such as AFCI, PID recovery and integrated surge protection modules (SPD Type II) enhance operational safety and system availability.
Highlights
- 8 MPP trackers with a total of 32 DC inputs (4 per MPPT)
- Max. efficiency 99.05% / EU efficiency 98.8%
- Integrated I-V curve scan & intelligent string protection
- Integrated AFCI (arc fault detection) & PID recovery
- Wide DC input range: 500–1,500 V / MPPT range 860–1,300 V
- IP66 protection rating with intelligent air cooling (< 60 dBA)
- Communication via RS485, USB, Ethernet/WiFi (optional) or integrated PLC
- Local operation via LED & Bluetooth app, remote monitoring via REFUview
- 10-year manufacturer’s warranty
Technical data – REFUsol 350K-8T
| Max. AC power | 352 kVA @ 35 °C / 320 kVA @ 45 °C / 295 kVA @ 50 °C |
|---|---|
| Max. output current (AC) | 254.1 A |
| Rated output voltage | 3P/PE – 800 V (range 640–920 V) |
| Rated output frequency | 50/60 Hz (range 45–55 / 55–65 Hz) |
| Power factor | 1 (0.8 inductive … 0.8 capacitive) |
| Recommended PV power | up to 525 kWp |
| Max. input voltage (DC) | 1,500 V |
| DC operating range | 500–1,500 V |
| MPPT operating range | 860–1,300 V |
| Number of MPP trackers / DC inputs | 8 MPPT / 32 inputs (MC4) |
| Max. current per MPPT | 60 A |
| Max. short-circuit current | 100 A |
| THDi | < 3 % |
| Topology | Transformerless |
| Protection rating | IP66 |
| Operating temperature | −30 … +60 °C |
| Max. operating altitude | 4,000 m |
| Dimensions (H × W × D) | 828 × 1,159 × 366 mm |
| Weight | 113 kg |
| Display / Controls | LED & Bluetooth app |
| Communication | RS485 / USB / Ethernet / WiFi (optional) / Integrated PLC |
| Item number | 850P350 |
| Warranty | 10 years |
Safety & Connectivity
The REFUsol 350K-8T offers comprehensive safety through integrated protection mechanisms against anti-islanding, DC reverse polarity, reverse current, earth fault, overtemperature, overvoltage and overcurrent. In addition, SPD Type II (DC & AC), AFCI and PID recovery are integrated as standard. Local operation is via LEDs and a Bluetooth app, whilst remote monitoring is conveniently possible via the REFUview platform.
Applications
- Large commercial and industrial facilities
- Open-space parks with multiple orientations
- Carport and industrial roof clusters
- Repowering and expansion of existing PV systems
Conclusion
The REFUsol 350K-8T combines maximum efficiency, advanced safety features and intelligent diagnostic options. A future-proof choice for large-scale professional PV projects that prioritise maximum performance, durability and connectivity.
| Item height (mm): | 366 |
|---|---|
| Item length (mm): | 828 |
| Item width (mm): | 1159 |
| Manufacturer's part number: | 850P350,000 |
| Weight (kg): | 13 |
Login