1.Pole Mounted Outdoor VCB, Capacity 630A,12kV,16kA with CT, PT 2.Full ... Technical Parameter:ZW32-12 series pillar type outdoor Vacuum circuit breaker is a kind of outdoor H.V switch equipment with 50Hz ... :34,Dry:42(positive,negative),48(fracture and isolation clearance)Lightning impulse withstand voltage(peak)earth,phase75insulating fracture853Rated CurrentA400,634Rated short ...