Sunways STS Series Inverter (3.3–6 kW) – Single Phase, 2 MPPTs, On-Grid

The Sunways STS Series is a high-performance single-phase on-grid inverter designed for residential and small commercial applications. With advanced heat dissipation, integrated lightning protection, and anti-corrosion aluminum alloy housing, it ensures long-term reliability even in harsh environments.

Featuring a wide MPPT voltage range, up to 98.1% efficiency, and the ability to handle up to 10% continuous overloading, the STS series guarantees maximum energy yield. Its compact and lightweight design allows easy one-person installation, while wireless/RS485/WiFi/GPRS/LAN communication options provide seamless monitoring and control.

Built with IP65 protection, natural convection cooling, and compliance with international standards (IEC/EN certifications), the Sunways STS series is safe, reliable, and efficient for modern solar installations.