1,KPTH5 Bar and Fuse type switch disconnector 2,Rated thermal current:160,250,400,630 ... ,CCC,CE,CB. KPTH5 series bar and fuse type switch disconnector is applicable in the circuit of rated voltage AC ... 660V and below,ratedcurrent AC16 0A-630A,rated frequency of 50/60Hz.Rated thermal current160A250A400A630ARated insulation ... 50kA)315,355,400,425 (≥50kA) Bar Fuse type switch disconnector