The new generation 3C10KS~3C20KS of Castle Series inherits the excellent quality of the previous generation products. It adopts the Dual-Conversion pure online structure, with beautiful appearance, greatly improving product performance and product reliability. Ideal solutions are provided for power outage, excessive or low voltage, instantaneous voltage drop or amplitude reduction oscillation, high voltage pulse, voltage fluctuation, surge voltage, harmonic distortion, clutter interference, frequency fluctuation and other conditions, providing safe and reliable power supply guarantee for user load. Castle Series 3C10KS~3C20KS is a product with strong adaptability and flexible configuration. With advanced digital control technology of DSP, castle Series 3C10KS provides a very rich and extensible function. Users can configure it flexibly according to their needs.