500W Pure Sine Wave Solar Inverter

HSI-50112P20 high-performance low-frequency inverter – built by Foshan Top One Power Technology Co., Ltd.
The HSI-50112P20 is a sophisticated, pure sine wave, low-frequency inverter, engineered by Foshan Top One Power Technology Co., Ltd., a leading manufacturer of renewable energy solutions with over 16 years' experience. Based in Foshan, Guangdong, the company holds ISO 9001, CE, FCC and EMC certifications and has a daily production capacity of over 300 inverters. A dedicated R&D team drives continuous innovation. The HSI-50112P20 exemplifies this commitment by delivering reliable, high-efficiency power conversion for off-grid solar systems, backup installations and remote industrial applications.

At the heart of the HSI-50112P20 lies a robust built-in toroidal transformer with triple surge capability, allowing the unit to withstand power surges three times higher than the normal operating voltage and ensuring the seamless start-up of demanding inductive loads, such as motors, compressors and pumps. The pure sine wave output maintains total harmonic distortion below 3%, providing clean, stable AC power that is identical to the grid waveform and effectively protects sensitive electronics, including medical devices, communication equipment and precision instruments.

The HSI-50112P20 integrates an advanced MPPT solar charge controller with tracking efficiency of up to 99%, which maximises energy harvesting from photovoltaic arrays. A three-stage intelligent AC battery charger (constant current, constant voltage and float) ensures optimal battery maintenance for sealed, gel, flooded and LiFePO₄ chemistries. The automatic AC transfer switch delivers rapid switchover within 5 ms, minimising disruption to critical loads during grid transitions.

Powered by a 64-bit DSP intelligent control chip, the HSI-50112P20 offers comprehensive protection against overvoltage, undervoltage, overload, overheating, and short-circuit conditions, with automatic system shutdown ensuring

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