| 摘要 |
The control rail (S3) is guided over the entire length of the busbars (S1, S2) and is divided by gaps (to form block sections). The energising winding of a relay (V1, V2, V3) which can be connected via the control rail (S3) between the two busbars (S1, S2) is connected in series with a contact (v2, v3, v4) of a relay (V1, V2, V3) which is in each case allocated to the adjacent rail section. <IMAGE>
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