... anti-corrosionTulip contacts of pressure spring style, Reliable connection, Low fault rate.Intelligent control and diagnosisElectronic current ... cables, overhead lines,transformers,motors,generators and capacitor banks.2.Technical data No.ItemUnitValue1Rated voltagekV1217.52440 ... 21.7,27.410Rated single/back-to-back capacitor bank breaking currentA630/400400630/40011Rated short-circuit current duration ...