TUV, DK5940,CE, AS4777 certificate DC-AC grid-connected inverter General DescriptionsSG3KTL / 4KTL / 5KTL is a transformerless inverter with higher efficiency. Its aluminum housing ... -6-1, EN61000-6-2, EN61000-6-3, EN61000-6-4,EN61000-3-2, EN61000-3-3,EN60164-1-1,EN55022, EN50178Technical SpecificationsDC SIDE ...