Name:
NR BR 949 ISSUE 3 PDF
Published Date:
07/01/1976
Status:
[ Active ]
Publisher:
Network Rail
The specification relates to design requirements for a D.C. miniature non-safety type of relay unit incorporating a device which delays the operation of a relay for a predetermined time after the unit is energised.
| Edition : | 3 |
| File Size : | 1 file , 880 KB |
| Number of Pages : | 23 |
| Published : | 07/01/1976 |