... rated current 160A-630A 1 Use HR17 series fuse type isolating switch,rated insulating voltage AC 800V,rated operating voltage 690V, ... the rated current 160A-630A,mainly used as power switch,isolating switch and emergency switch with function of protection in the circuit with hith ... , 630A2.4 Rated operating current400V:160A ,250A, 400A, 630A, 690V:100A, 200A, 315A, 425A2.5 Kind of usege400V:AC-20B, AC ...