... 160A-630A 1 Use HR17 series fuse type isolating switch,rated insulating voltage AC 800V, ... .3 Rated heating current160A, 250A, 400A , 630A2.4 Rated operating current400V:160A ,250A, 400A, 630A, 690V ... 690V: AC-20B ,AC-21B, AC-22B2.6 Fuse link installed: The fuse is conformity with ... the condition of AC690V,COSø=0.22.9 Operating performance:number of operating and testing circuit of operating performance ...