Rated Voltage: 12KV Rated shot circuit divide current: (20,25,31.5, 40,50)kA Rated Current: (100,1250,2000,3150,4000)A Rated shot circuit divide/shut current: (63,80,100,140)kA 4s Hot steady current:(25,31.5,40.50)kA outshell protect grade: IP4x Overall Dimension(Widthx Deepx High): 800x 1775x 2130, 900x2175x2130