It's DCWelcome to AAC!
I don't know the answer, but more information is needed. Whether you are switching AC or DC, switching speed/frequency and the current involved, will obviously have a bearing on the device to be used.
current of 500 Amps , switching speed is around 5 mili sec to 20 mili sec rangeIt's DC
voltage of 35000 volt , current of 500 Amps , switching speed is around 5 mili sec to 20 mili sec rangeAre you not going to answer the rest of Alec's question ?
Les.
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