- MAX. EFFICIENCY 98.1%
- IP66 PROTECTION
STS 7.5~8kW
7.5~8kW | Single Phase | 2 MPPT
The Sunways STS-7.5K~8KTL-SE is a high-efficiency single phase on-grid inverter for residential and larger rooftop solar systems. With 2 MPPTs, up to 98.1% maximum efficiency, IP66 protection, integrated safety design and flexible communication options, it delivers reliable energy generation, easy installation and convenient monitoring.
Key Features
Safe & Reliable
- High reliability due to good heat dissipation design
- Integrated lightning protection for both DC and AC
- Adaptable to complex grid environments
- High anti-corrosion ability with aluminum alloy die-casting technology
- Wider working temperature and altitude range for various installation environments
High Yield
- Max. efficiency up to 98.1%
- European weighted efficiency up to 97.5%
- Wide MPPT voltage range
- Max. input current of 20A, compatible with high-power PV panels
Easy to Use
- Compact and elegant design with light weight
- One-person installation for residential rooftop projects
- Plug-and-play connectors for easy installation
- Support wireless and wired internet connection: RS485 / WiFi / GPRS / LAN optional
- Remote upgrading available
- Fast and easy configuration via App or OLED display
Product Highlights
| Parameter | Specification |
|---|---|
| Power Range | 7.5 kW / 8 kW |
| Max. Efficiency | Up to 98.1% |
| European Efficiency | Up to 97.5% |
| MPPT Design | 2 MPPTs |
| Protection Degree | IP66 |
| Max. Input Current | 20 A / 20 A |
| Communication | RS485 / WiFi / GPRS / LAN Optional |
| Application | Residential and Rooftop Solar Systems |
| Parameter | Specification |
|---|---|
| Max. DC Input Voltage | 600 V |
| Start-up Voltage | 100 V |
| Rated DC Input Voltage | 360 V |
| MPPT Voltage Range | 80–550 V |
| Max. Short-circuit Current | 25 A / 25 A |
| Rated Output Voltage | 220 / 230 V |
| Rated AC Frequency | 50 / 60 Hz |
| Max. Output Current | 34.1 A / 36.3 A |
| Cooling | Smart Fan Cooling |
| Operating Temperature | -30℃ ~ 60℃ |
| Noise Level | <65 dB |
| Display | OLED |
| Weight | 13 kg |
| Dimensions | 410 × 360 × 120 mm |