... used to 50/60 Hz,DC110V and following electric power systems, to protect the electric network from lightning ... connection, adopt elastic structure then increasing contact reliability and reducing power of draw or insertion. It is very convenient for ... 0 ,2.2,2.5kV·Maxi discharge current(8/20µs) Imax 15 ,25 ,40 ,60 ,80,100, ... 120,150 kA·Normal discharge current (8/20µs) In 5 ,10 ,20 ,30,40, 50, 60 ...