supply of high speed semiconductorhigh speed semiconductor,supply of 450amps, 690v ac, high speed semiconductor fuse-link 1) type : hrc semiconduc tor fuse 1*/80 2) amperage rating : 450 amps 3) breaking capacity : 200 ka 4) fuse indicator : top fuse st atus indicator 5) utilization category : ar (accompanied semiconductor protection) 6) rated voltage ac : 69 0 v 7) fuse shape : square body, slotted center bolted tags 8) fuse size : 1* 9) fuse length : 108mm 10) c enter-to-center distance of connections : 76.5 mm 11) class : class ar 12) mounting dimension : m10 13) m ake : eaton (bussmann sries of catalog number: 170m3020) or similar. ] => limited