... the different requirements of automation Universal frequency inverter(Motor Drive), Frequency Inverter(Frequency Converter) HPI6006(110KW-500KW ... 250A; Ue: AC400V; Ie:175A, 210A, 250A; Type: AC-53a; Pole No.:3P 2010/04/23 --- 2014 ... Ie: 300A, 370A, 470A, 570A, 720A, 840A; Type: AC-53a; Pole No.:3P 2010/04/08 --- 2014 ... Ie: 300A, 370A, 470A, 570A, 720A, 840A; Type: AC-53a; Pole No.:3P 2010/04/08 --- 2014 ...