1.Top quality , best service 2.SGS,ISO 3.After-sales ... power switching rectifier:Front PanelBack Panel InsideRepair PartIndicated parameters:1,Input voltage scope: 330VAC-450VAC(Rated output)2,Efficiency: ≥83%3,Output ... precision: ≤2%6,Cooling :water cooling or air coolingProuduct features:1,It has output short-circiut, over-heat, current limiting and ...