1,KPTH5 Bar and Fuse type switch disconnector 2,Rated thermal current:160,250,400,630; 3, ... and fuse type switch disconnector is applicable in the circuit of rated voltage AC 660V and below,ratedcurrent AC16 0A-630A,rated frequency ... ,300,315 (≥50kA)315,355,400,425 (≥50kA) Bar Fuse type switch disconnector