... 2, size 3, triple pole switching DNTRS fuse rail&fuse base& fuse strip type 1. Description:DNTRS fuse rail is suitable ... for AC50/60Hz, rated voltage up to 690V, rated current to 630A, 100mm or 185mm busbar system. For using ... transformer station and cable distribution cabinets. DNTRS fuse rail according to GB13539.2, GB14048.3, IEC60269.2, IEC60269.3 standard.2 ...