... , AS4777 certificate DC-AC grid-connected inverter General DescriptionsSG3KTL / 4KTL / 5KTL is a transformerless inverter with higher efficiency. Its ... • TüV certification, KEMA DK5940, VDE 0126-1-1 Comp liant, AS4777Communications• RS485/Ethernet/GPRS interfaces• ... 4,EN61000-3-2, EN61000-3-3,EN60164-1-1,EN55022, EN50178Technical SpecificationsDC SIDE DATA ModelSG3KTLSG4KTLSG5KTLMax. DC ...