Finally, after long long time, power supply came. After all Bulgarian Customs bulsh*it and more long waiting in my hands now. What can I say- it is well packed, box itself is OK, but the down left corner of board is bit broken (just a little) . Supply housing and I/O terminals looks fine. I'm going to test it after an hour. So additional comment is coming :) Whatever. The seller is good person!
Very good stuff. Works perfect. Tested for 15 amps only but I think may jump up to 30 amps as described. .