Isolate Switch 1)IEC, ISO9001, test report 2)15 Years' exporting and ... fuse units(Fuse cutout), composite insulators, Surge Protection Devices(SPD), Disconnect switches, fuse and fusegear, metal enclosures and a complete rangof ... -31.512125031.580 12KV 400A GN19-12C 50Hz Indoor Isolate Switch