solar energy,solar product,solar system,SG30K3 is using low-frequency isolation transformer for protection purpose for outdoor. solar energy,solar product,solar systemGeneral Descriptions:SG30K3 is ... 1, EN61000-6-2, EN61000-6-3, EN61000-6-4,EN61000-3-2, EN61000-3-3, EN60164-1-1 ... ethernet/GPRSDisplayLCDMechanical DataW | H | D820|1964|646 (mm)Weight400kg... solar energy,solar product,solar system