SINAMICS DCM DC converter for 4-quadrant drives Circuit (B6) A (B6) C Input: 400V 3AC, 75A controllable: Field rectifier D420/90 MREQ-GEG6V62 Output: 420 V DC, 90A G00=Advanced CUD on left G20=CBE20 PROFINET module on left M08=Assembled PCBs, painted