... no load) 3.Efficiency: over 95% 4.MOQ: 1 set Control Transformer(BK,SBK),power transformer,electric transformer,JBK Machine Tool ... Control Transformer, Transformer,BKC,JBKDG & SGPower Transformer,Dry type ... ,steam,chemical deposition,dust or dirt that will affect transformers insulation seriously,also explosive or corrosive medium is not ...