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Sunways Unveils New STT-15-30KTL-SE(-S) Inverter for Three-Phase Applications

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Sunways is excited to announce the launch of its new STT-15-30KTL-SE(-S) inverter, designed specifically for three-phase residential and small commercial solar systems. This latest offering underscores Sunways' dedication to delivering adaptable and efficient energy solutions.


The STT-15-30KTL-SE(-S) inverter features an optional Arc Fault Circuit Interrupter (AFCI), which helps detect and mitigate arc faults, enhancing system safety and reliability. The inverter's design supports string currents up to 20A, accommodating higher-current solar panels that are becoming increasingly prevalent in the market. This compatibility allows for more flexible system configurations and greater overall system performance.


Operating at a maximum efficiency of 98.6%, the STT-15-30KTL-SE(-S) ensures optimal energy conversion, maximizing power generation for end users. Additionally, the inverter supports up to 110% AC overload, enabling it to handle short periods of high demand without interruption. Its 150% DC overload capacity offers users the advantage of installing additional PV modules, ensuring greater energy harvesting during peak sunlight hours.


Engineered for durability, the inverter boasts an IP66-rated enclosure that offers protection against dust, water, and other environmental factors, making it suitable for varied outdoor installations. The inverter also features a sophisticated real-time temperature monitoring and protection system for multiple internal power transistors, which enhances reliability and maintains stable performance by preventing overheating and potential damage.



The STT-15-30KTL-SE(-S) represents a valuable addition to Sunways' range of solutions, providing residential and small commercial solar users with enhanced flexibility, safety, and performance. This new inverter model highlights Sunways' focus on developing products that meet the practical needs of modern solar installations.