Detailed Product Description 1.SummaryThis type of voltage regulator is in the structure of adjustable seff-coupling transformer,it ... ),1kVA(4A),2kVA(8A),3kVA(12A),5kVA(20A),10kVA(40A),15kVA(60A),20kVA(80A),30kVA(120A)Three-phase1.5kVA(2A),3kVA ...