I want to make Power analyzer for measure AC current 3 Ph KV,VAR,KWA,KVARH
"If you have information about AT73C50x pl send me." He gave you the URL - just click it!
Here is link>>> http://www.inelteknews.at/Obsolete/RE023401_3Phase_EOL/AT73C50x_RE023401.pdf
Link with datasheets by AT73C50x http://www.gaw.ru/pdf/Atmel/DOC1035.PDF