BR961 Feb 1972
Specification for Miniature Twin Tractive Armature A.C. Immune D.C. Biased Neutral Line Relay Unit, Plug-in Type, for Railway Signalling Purposes
Synopsis
This specification relates to design requirements for miniature twin tractive armature A.C. immune D.C. biased neutral line relays of the plug-in type for use in railway signalling circuits.
Read full standard
Registered
Withdrawn
Other
- Issued:
- 01/02/1972
- Published:
- 01/02/1972
- In Force:
- 01/02/1972
- Withdrawn:
- 31/12/1999
Details
| Consultation Status | Closed |
| Vehicle Assessment | No |
| Lead Committee | Control Command and Signalling - CCS |