1HK,HS Open Type Knife Switch 2Rated current:100,200,400,600,1000,1500,2000,3000A ... 3Output:2000pcs/day 4CCC,CE,CB, 5OEM GeneralHD,HS series single ... to infrequently make and 380V,or DC up or DC circuit in hand or acted as isolating switches.Specifications1. Rated voltage ...