... voltage (V~)combined method(see sheet 2)Maxi discharge current Imax(kA)design No.surge protective device2.2 Specifications:2.2 ... .1 According to current classification:Imax 15 ,25 ,40 ,60 ,80,100,120,150 kAIn 5 ... ,2.2,2.5kV·Maxi discharge current(8/20µs) Imax 15 ,25 ,40 ,60 ,80,100,120,150 kA·Normal ...