After checking with both manufacturers, Didn’t get any reply from GigaWatt. Doepke replied DFS 2 F Audio is not available for 60Hz. Disregard this project plan
Thanks CK big brother, our local electricians always according to building code. I don’t think those Breakers qualifies our country residence use . I can’t get any products info in USA while google search. I just want find out more knowledge then I can discuss with the electrician to build it...