6KW Pure Sine Heavy Duty Inverter

FI-6KW Low-Frequency Pure Sine Wave Inverter
Manufactured by Foshan Top One Power Technology Co., Ltd.

The FI-6KW is a 6 kW low-frequency pure sine wave off-grid inverter from Foshan Top One Power Technology Co., Ltd., a company based in Foshan, Guangdong, which has been manufacturing power conversion equipment since 2003. It is part of the company's FI Series and is designed for larger residential off-grid systems, small workshops, remote farming operations and commercial backup applications where real power is required, not just a token backup.

The FI-6KW is worth paying attention to thanks to its straightforward, no-nonsense design. At its core is a toroidal transformer that delivers 6 kW of continuous power and can provide up to 18 kW in short bursts when motors, compressors or air conditioners are activated. This is three times the rated output, meaning you won't have to worry about the inverter tripping when the fridge or workshop tools start up. The output is a pure sine wave with low harmonic distortion, ensuring that sensitive electronics run smoothly without interference or damage.

The FI-6KW runs on a 48 VDC battery system, with a 24 VDC option also available. Another notable feature is the AC charger with an adjustable current ranging from 0 to 35A. Depending on your battery bank and charging needs, you can select an output of 5A, 10A, 20A, 25A, 30A or 35A. The charger supports seven battery types, including Gel U.S.A., Gel European, AGM, sealed lead acid and open lead acid. It has a three-stage charging profile - boost, direct and float - that keeps batteries in good condition over the long term. There is also a bypass function with UPS capability, so connected equipment continues to run uninterrupted when the grid fails.

Comprehensive protection is provided against over-voltage, under-voltage, overload, short circuit, over-temperature and reverse polarity. The unit is controlled by a CPU with an LCD display for monitoring purposes, and the cooling fan runs on temperature control.

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