• MAX. EFFICIENCY 98.1%
  • IP65 PROTECTION

STS 7~11kW

SinglePhase | 2MPPT | On-Grid

The Sunways STS-7K~11KTL is a high-efficiency single-phase grid-tied inverter for residential and commercial rooftops. With dual MPPTs, wide voltage range, and 98.1% max efficiency, it ensures optimal solar harvesting and stable AC output. IP66 protection, integrated surge protection, and plug-and-play design with RS485/WiFi/GPRS/LAN connectivity enable reliable operation and easy installation.

STS-7K~11KTL

Key Features

Safe & Reliable

Safe & Reliable

  • High reliability due to advanced 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 flexible installations
High Yield

High Yield

  • Max efficiency 98.1%
  • European weighted efficiency 97.5%
  • Wide MPPT voltage range
  • Up to 10% continuous output overloading capacity
  • Compatible with high-power PV panels (max input current 15A)
Easy to Use

Easy to Use

  • Plug-and-play connectors for fast installation
  • Support for wired and wireless internet (RS485/WiFi/GPRS/LAN optional)
  • Remote firmware upgrading available
  • Fast configuration via App or OLED display

Product Highlights

ParameterSpecification
Power Range7 kW / 8 kW / 9 kW / 10 kW / 11 kW
Max. Efficiency98.1%
Euro Efficiency97.5%
MPPT Design2 MPPT
Protection DegreeIP65
Max Input Current15A / 30A
CommunicationRS485 / WiFi / GPRS / LAN Optional
TopologyTransformerless
ParameterSpecification
Max. DC Input Voltage600 V
Rated DC Input Voltage360 V
MPPT Voltage Range80~550 V
Start-up Voltage80 V
AC Rated Voltage220/230 V
Rated AC Frequency50/60 Hz
AC Rated Current30.4 ~ 47.8 A
Max AC Output Current33.5 ~ 47.8 A
Power Factor0.8 leading … 0.8 lagging
THDi @ Rated Power<3%
Operating Temperature Range-30 ~ 60 ℃
CoolingNatural Convection / Smart Fan
Noise Level<40 dB
DisplayOLED
Dimensions [WHD]550410175 mm
Weight24~26 kg
Operating Altitude4000 m (derating > 3000 m)

Related Products

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STS-7.5K~8KTL-SE

STS-7.5K~8KTL-SE

7.5~8kW | Single Phase | 2 MPPT 

STT Series

STT-4K~25KTL-P

STT-4K~25KTL-P

4~25kW | Three Phase | 2 MPPT 

STT Series

STT-15K~37.5KTL-LV

STT-15K~37.5KTL-LV

15~37.5kW | Three Phase | 4 MPPTs 

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