... power over 97.60%;(2) With dual MPPT. Suit-able for installing solar modules with different angle of dip;2.Safe ... 100MPPT range(V)200 - 500200 - 500200 - 500Number of MPPT / string per MPPT2/22/22/2Max. DC power(W) ... C,Derate after 45°CProtectionOvervoltage protection , DC isolation monitoring , DC monitoring,Grounding fault monitoring , Grid monitoring , Island protection , Short circuit protection , ...