for protecting from short circuit for voltage transformer,Fusing current in 1min is within 0.6~1.8A,fuse link.porcelain fuse RN2 series high voltage fuseRN2 type indoor H.V.Current-limiting fuse is used for protecting from short circuit for voltage transformer,its breaking capacity has 1000,2000 and 4000MVA.Fusing current in 1min is within 0.6~1.8A.fuse,fuse link.porcelain fuse