• 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.

STS-7.5K~8KTL-SE

Key Features

Safe & Reliable

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

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

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

ParameterSpecification
Power Range7.5 kW / 8 kW
Max. EfficiencyUp to 98.1%
European EfficiencyUp to 97.5%
MPPT Design2 MPPTs
Protection DegreeIP66
Max. Input Current20 A / 20 A
CommunicationRS485 / WiFi / GPRS / LAN Optional
ApplicationResidential and Rooftop Solar Systems
ParameterSpecification
Max. DC Input Voltage600 V
Start-up Voltage100 V
Rated DC Input Voltage360 V
MPPT Voltage Range80–550 V
Max. Short-circuit Current25 A / 25 A
Rated Output Voltage220 / 230 V
Rated AC Frequency50 / 60 Hz
Max. Output Current34.1 A / 36.3 A
CoolingSmart Fan Cooling
Operating Temperature-30℃ ~ 60℃
Noise Level<65 dB
DisplayOLED
Weight13 kg
Dimensions410 × 360 × 120 mm

Related Products

STS Series

STS-3K~4KTL-M

STS-3K~4KTL-M

3~4kW | Single Phase | 1 MPPT 

STS Series

STS-7.5K~8KTL-SE

STS-7.5K~8KTL-SE

7.5~8kW | Single Phase | 2 MPPT 

STT Series

STT-100K~150KTL-SE

STT-100K~150KTL-SE

100~150kW | Three Phase | 10 MPPTs 

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