可以维修的西门子直流调速型号，包括6RA24，6RA28，6RA70系列，具体如下
6RA2418-6DS21-0，6RA2425-6DS21-0，6RA2431-6DS22-0，6RA2831-6DS21-0，6RA2885-6DS21-0，
6RA2875-6DS21-0，6RA2881-6DS21-0，6RA2877-6DS21-0 6RA2818-6DV61-0，6RA2825-6DV61-0，
6RA2830-6DV61-0，6RA2832-6DV61-0，6RA2875-6DV61-0，6RA2877-6DV61-0，6RA2881-6DV61-0，
6RA2885-6DV61-06RA7018-6DS22-0，6RA7025-6DS22-0 ，6RA7028-6DS22-0，6RA7031-6DS22-0，
6RA7075-6DS22-0，6RA7078-6DS22-0，6RA7081-6DS22-0，6RA7085-6DS22-0，6RA7087-6DS22-0，
6RA7091-6DS22-0，6RA7093-4DS22-0，6RA7095-4DS22-0，6RA7098-4DS22-0，6RA7013-6DV62-0，
6RA7018-6DV62-0，6RA7025-6DV62-0 ，6RA7028-6DV62-0 6RA7031-6DV62-0，6RA7075-6DV62-0 ，
6RA7078-6DV62-0 ，6RA7081-6DV62-0 6RA7085-6DV62-0 ，6RA7087-6DV62-0 ，6RA7091-6DV62-0 ，
6RA7093-4DV62-0 6RA7095-4DV62-0，6RA7018-6DS22-0 30A6RA7025-6DS22-0 60A，6RA7028-6DS22-0 90A，
6RA7031-6DS22-0 125A，6RA7075-6DS22-0 210A， 6RA7078-6DS22-0 280A，6RA7081-6DS22-0 400A，
6RA7085-6DS22-0 600A，6RA7087-6DS22-0 850A，6RA7091-6DS22-0 1200A，6RA7093-4DS22-0 1600A，
6RA7095-4DS22-0 2000A，6RA7025-6GS22-0 60A，6RA7031-6GS22-0 125A，6RA7075-6GS22-0 210A ，
6RA7081-6GS22-0 400A， 6RA7085-6GS22-0 600A，6RA7087-6GS22-0 800A，6RA7090-6GS22-0 1000A，
6RA7093-4GS22-0 1600A，6RA7095-4GS22-0 2000A，6RA7086-6KS22-0 720A