FZW32-12D / T630-20 outdoor high-voltage switch is a new generation of high-pressured electrical appliance product, developed by our company by introducing Xi'an high voltage electrical appliance research technology, of which each technical performance index conforms to GB3804 and IEC standard. It is suitable for outdoor 12kV in three-phase AC 50Hz power supply network.Specifications: 1) Rated voltage: 12kV 2) Rated frequency: 50Hz3) Rated current: 630A4) 1min power frequency withstand voltage (vacuum break, between phases, phase to earthing/ nsncate break): 42/48kV5) Lightning impulse withstand voltage: 75/85kV6) Rated short-time withstand current thermal stable: 20kA7) Rated peak value withstand current: 50kA8) Rated short-current making current: 50kA9) Mechanical life: 10,000 times producing area:China payment:L/C at sight, T/T in advance supplying capacity:15pcs/month