... price,good Stability; 3.Current:63A,100A,160A,250A,630A,1000A,1600A,3150A 4.Pole:3P,4P MGL Isolation-load switch ... ),applied to make and break circuit or electric isolate,over 1000A is only for electric isolation. Conventional thermal current(A)630A800A1000A1600ARated ...