... SAA/DK5940 Multi language display Growatt 3000 TLGeneral Descriptions Leading-Edge Technology, CE,TUV ,VDE , SAA,DK5940 ... > Full protection functions:DC reverse polarity, AC short-circuit protection, ground fault monitoring, grid monitoring, ... efficieny99.50%Protection devices DC reverse polarity protectionyesAC short - circuit protectionyesGround fault monitoringyesGrid monitoringyesIntegrated all - ...