3KW Pure Sine Wave Off Inverter

The FSI-302M60 low-frequency hybrid solar inverter is engineered by Foshan Top One Power Technology Co., Ltd.
The FSI-302M60 is a high-performance hybrid solar inverter manufactured by Foshan Top One Power Technology Co., Ltd., a National High-Tech Enterprise founded in 2003 that has over two decades of experience in providing new energy power conversion solutions. As a flagship model within the FSI series, the FSI-302M60 is specifically designed for medium to large-scale off-grid solar systems, providing an integrated solution that optimises power generation efficiency, output quality and battery safety management.

At the core of the FSI-302M60 is an advanced MPPT (maximum power point tracking) solar charge controller that tracks photovoltaic module voltage and current with precision, automatically adjusting the operating point under varying weather conditions to ensure optimal efficiency. Compared with conventional PWM controllers, this MPPT technology can enhance the overall system's power generation efficiency by 10–30%, particularly in cloudy or low-light conditions. Its pure sine wave output delivers waveform quality comparable to grid power, enabling the stable operation of all types of electrical equipment, particularly electronic devices and inductive loads such as refrigerators, motors and water pumps, which have stringent power quality requirements.

The FSI-302M60 features a dual-input charging architecture that supports both DC and AC power sources. With a maximum charging current of 95A, the system can rapidly recharge batteries. When solar energy is insufficient, mains power or a generator can supplement the supply to ensure uninterrupted, all-weather power availability. Comprehensive battery protection mechanisms safeguard against overcharge, overdischarge, overload, short circuit and solar reverse connection, significantly reducing maintenance costs and potential risks.

The product is backed by Foshan Top One Power Technology Co., Ltd.'s ISO9001 certification.

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