R5-3~20K-T2 is a three-phase on-grid solar inverter of two MPPT. It is designed for residential and small- & medium- scale commercial solar systems in rooftop PV sector, helping customers enjoy solar energy comfortably and efficiently. High efficiency and reliability of this inverter guarantee a better user experience. R5-3~20K-T2 gives a better heat-dissipating performance. Its maximum efficiency reaches 98.8%. R5-3~20K-T2 inverter is also featured with 1.1 times overload (except for R5-12K-T2) and 1.5 times of DC input, which increase power generation of the solar system. A without-external-fan design keeps this inverter operating in a low noise level, providing a comfortable user experience.