Model Number: S & D Series Online UPS 2K-1 Key Specifications/Special Features: S & D seriesFeatures:Superior load: it is completely capable to load from 0 to 100% while no need to change to bypass, which make sure the output reliablePerfect protection: it has output over/low load protection, input surge protection, phase sequence protection, battery overcharge/discharge protection, short circuit protection, over-temperature protection and more, as well as alarming functionOptional input harmonic filter effectively restrain the input THD, raise UPS input power factor, reduce the input THD currentHigh dynamic performance: adopts kinds of feedback control such as instantaneous control method and valid date, it achieves high dynamic adjustment and reduces the output THDOptional battery detecting module: able to test the single parameters, and display on the LCD if battery failure it will alarm

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