西门子6RA80，四象限直流调速器6RA8087-6FV62-0AA0

SINAMICS DCM DC converter for
4-quadrant drives Circuit (B6)
A (B6) C Input: 480V 3AC, 706 A
controllable: Field rectifier
D500/850 MREQ-GEGF6V62 Output:
500 V DC, 850A