Specifications:1) Rated voltage: 1,140V 2) Rated current: 200A and 400A 3) Rated frequency: 50Hz4) Withstand voltage: 18KV5) Rated make current: 2kA or 4kA by 100 times6) Rated break current: 1,600A or 3,200A by 50 times7) Max. break current: 4,500A8) Average make speed: 0.26 - 0.36m/s9) Average brake speed: 0.1 - 0.15m/s10) Rated space: 3+0.5mm11) Over travel during opening: max. 1mm12) Mechanical life: 100 (10ST)13) Electricity life: 30 (10ST)Outer packing:Carton producing area:China payment:T/T, L/C, D/P supplying capacity:1,000pcs/month