I have an electrical board ,please see the attached image file which is used to take 200V AC, 200HZ and generate 3.3 V ,5V DC. You can see electrical diagram in the attached microsoft office word file. This board used inside wireline logging tool to generate power for toolstring .
If anyone can sell this board to me , please contatc with me through this thread

 

Alliexpress has something similar but not same: https://www.aliexpress.us/item/2251832582034914.html?gatewayAdapt=glo2usa4itemAdapt