Name:
NR BR 933 ISSUE A4 PDF
Published Date:
05/01/1977
Status:
[ Active ]
Publisher:
Network Rail
This specification relates to the design requirements of miniature tractive armature D.C slow pick-up neutral line relays for use in railway signaling circuits, irrespective of the presence in the circuit of alternating current at industrial frequency.
| Edition : | A4 |
| File Size : | 1 file , 3.8 MB |
| Number of Pages : | 32 |
| Published : | 05/01/1977 |