... ,1000A,1600A,3150A 4.Pole:3P,4P MGL Isolation-load switch cab be devided into 18 specs from 125A-4000A,it ... type of module design,it has 3poles and 4poles(3poles+switch neutral pole),applied to make and break circuit or electric ... (380V)KW380V315560560710660V185475475750Weight(KG)3P4.710.51600314P6132051.5External and Installation Dimension DC isolator switches