... 160A-630A,mainly used as power switch,isolating switch and emergency switch with function of protection in the ... circuit current and motor circuit, this switch is not used to operate the single mortor.This product ... 400A, 630A, 690V:100A, 200A, 315A, 425A2.5 Kind of usege400V:AC-20B, AC-21B, AC-22B ... 15kV2.8 Rated limiting short current:When the switch installed with standard fuse, the rated withstanding ...