• MAX. EFFICIENCY 97.5%
  • IP65 PROTECTION

STS 1~3.3kW

SinglePhase | 1MPPT | On-Grid

The Sunways STS-1K~3.3KTL-S-P is a compact single phase on-grid inverter for residential rooftop solar systems. With high efficiency, wide MPPT voltage range, integrated protection and flexible monitoring options, it delivers reliable solar power generation and easy installation for small home PV systems.

STS-1K~3.3KTL-S-P

Key Features

Safe & Reliable

Safe & Reliable

  • Good heat dissipation design for long-term stable operation
  • Integrated lightning protection for both DC and AC sides
  • Adaptable to complex power grid conditions
  • Aluminum alloy die-casting design for high anti-corrosion performance
  • Wide operating temperature and altitude range for various installation environments
High Yield

High Yield

  • Max. efficiency up to 97.5%
  • European weighted efficiency up to 97%
  • Wide MPPT voltage range for higher energy harvest
  • Up to 10% continuous output overloading capacity
  • Single MPPT design with precise MPPT algorithm
Easy to Use

Easy to Use

  • Compact and elegant design with light weight
  • One-person installation for residential projects
  • Plug-and-play connectors for fast installation
  • Support RS485, WiFi, GPRS and LAN communication options
  • Remote upgrading available
  • Fast configuration via App or OLED display

Product Highlights

ParameterSpecification
Power Range1 kW / 1.5 kW / 2 kW / 2.5 kW / 3 kW / 3.3 kW
Max. EfficiencyUp to 97.5%
MPPT Design1 MPPT
Protection DegreeIP65
CommunicationRS485 / WiFi / GPRS / LAN (Optional)
ParameterSpecification
Max. DC Input Voltage500 V
MPPT Voltage Range80–450 V
Operating Temperature-30℃ ~ 60℃
CoolingNatural Convection
Noise Level<25 dB

Related Products

STS Series

STS-3K~4KTL-M

STS-3K~4KTL-M

3~4kW | Single Phase | 1 MPPT 

STT Series

STT-30K~60KTL

STT-30K~60KTL

30~60kW | Three Phase | 4 MPPTs

STT Series

STT-4K~25KTL-P

STT-4K~25KTL-P

4~25kW | Three Phase | 2 MPPT 

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