GW9-12(W) series outdoor high voltage AC disconnecting switch is a high voltage switch of single pole structure, for making and breaking circuit under voltage and no load in outdoor 12kV line network. Matched with fixed retractors and self-locking device, using insulated hook stick to operate flexibly and reliably. The anti-pollution one can meet user's requirements in seriously polluted areas, can effectively solve the pollution flash over problem of disconnecting switch in the operation.