SUNGROW SG33CX-P2 inverter String inverter, 15A DC current input (MPP) per connector pair, plug and play with buckle design, compatible with 500Wp+ PV, dynamic shading optimization function, built-in PID regeneration function, key component diagnosis and protection, intelligent IV curve diagnosis, grid fault recording function - convenient for remote operation and maintenance, IP66 protection class and C5 corrosion protection class - DC Type I+II SPD, AC Type II SPD - support AFCI 2.0 function