GDZK-IV yakagadzirirwa kuyera iyo vacuum degree yevacuum breakers.Iyo inoshandisa electromagnetic discharge yekuyeresa nzira, kuve nechokwadi chekuti mibairo yekuyedza ndeyechokwadi uye yakavimbika. Iyo data yekuyedza inogona kufungidzira hutano hwevacuum breaker uye hupenyu hurefu.