Rated Impulse current Iimp : 12.5kA 25kA & 50100kA for NPE, Maximum discharge current Imax: upto 50kA, Voltage protection level Up < 1.5kV, Compliance with Standards : IEC 61643-1 , Type 1 as well as Type 2 tests, Voltage protection level Up: ≤ 1.5kV.