SIMOREG DC Master Converter, with microprocessor for single-quadrant drives B6C connection input: 460V 3AC, 705A controllable: Field rectifier D550/850 MRE-GEEF6S22 output: DC 550V, 850A Output US-Rating: 500 V DC, 510A Field-input. 460V-output. 375V, 30 A