- MAX. EFFICIENCY 98.1%
- IP66 PROTECTION
STS 3~6kW
The Sunways STS-3K~6KTL-SE is a compact single phase on-grid inverter for residential rooftop solar systems. With high efficiency, 1 MPPT design, IP66 protection, flexible communication and easy App or OLED configuration, it ensures reliable solar power generation, simple installation and long-term stable operation.
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 97.6%
- Wide MPPT voltage range
- Up to 10% continuous output overloading capacity
- 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 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 | 3 kW / 3.6 kW / 4 kW / 4.6 kW / 5 kW / 6 kW |
| Max. Efficiency | Up to 98.1% |
| European Efficiency | Up to 97.6% |
| MPPT Design | 2 MPPTs |
| Protection Degree | IP66 |
| AFCI Function | Optional |
| Communication | RS485 / WiFi / GPRS / LAN Optional |
| Application | Residential Rooftop Solar Systems |
| Parameter | Specification |
|---|---|
| Max. DC Input Voltage | 600 V |
| MPPT Voltage Range | 100–550 V |
| Max. Input Current | 20 A / 20 A |
| Max. Short-circuit Current | 25 A / 25 A |
| Rated Output Voltage | 220 / 230 V |
| Rated AC Frequency | 50 / 60 Hz |
| Max. Output Current | Up to 30 A |
| Cooling | Natural Convection |
| Operating Temperature | -30℃ ~ 60℃ |
| Noise Level | <25 dB |
| Display | OLED Optional |
| Weight | 11.5 kg |
| Dimensions | 410 × 360 × 120 mm |
