西门子6RA80，四像限直流调速器6RA8078-6DV62-0AA0

SINAMICS DCM DC converter for
4-quadrant drives Circuit (B6)
A (B6) C Input: 400V 3AC, 232A
controllable: Field rectifier
D420/280 MREQ-GEGF6V62 Output:
420 V DC, 280A