... 12kV ,400-1200A, 50Hz, 3 Phases Isolated Switch GN19-12Q Technical Parameters for GN19-12Q Isolating Switches Technical Parameters Table No.ModelRated ... .58GN19-12C1(2/3)Q/1250125010040Notes:1 Type GN19-12Q is plane installation, type GN19-12CQ is wall going-thru type(bushings ... upon request. 12kV ,400-1200A, 50Hz, 3 Phases Isolating Switch GN19-12Q