西门子直流调速销售联系人：陈源18602160575西门子全数字直流调速装置6RA70(三相桥B6C)6RA7018-6DS22-03AC400V485V30A325V5A6RA7025-6DS22-060A10A6RA7028-6DS22-090A10A6RA7031-6DS22-0125A10A6RA7075-6DS22-0210A15A6RA7078-6DS22-0280A15A6RA7081-6DS22-0400A25A6RA7085-6DS22-0600A25A6RA7087-6DS22-0850A30A6RA7025-6GS22-03AC575V690V60A325V5A6RA7031-6GS22-0125A10A6RA7075-6GS22-0210A15A6RA7081-6GS22-0400A25A6RA7085-6GS22-0600A25A6RA7087-6GS22-0800A30A6RA7086-6KS22-03AC690V900V720A30A)