This picture shows 2ms2kA impulse current generator for MOA.( METAL OXIDE ARRESTER) Our impulse current generator can generate the below waveform or combinaiton waveforms: 1. 1/ 20 us waveform; 2. 4/ 10 us waveform; 3.8/ 20 us waveform 4.10/ 350 us waveform 5. high current impusle ( 30/ 80 us) for operating duty Test 6.steep current impulse 1/ 20 us Some of our references are as below: 40kA and below; 20kAMOV test of line production 100kA ( compatible with 25kA10/ 350us) 150kA( compatible with 30kA10/ 350us) 150kA ( compatible with 50kA10/ 350us) We can also do custom made.