BR931A Aug 1971
Specification for Miniature Tractive Armature AC Immune DC Neutral Line Relay, Plug-in Type for Railway Signalling
Synopsis
This specification relates to design requirements for A.C. immune miniature tractive armature D.C. neutral line relays of the plug-in type for use in railway signalling circuits.
Read full standard
Registered
Withdrawn
Other
- Issued:
- 01/08/1971
- Published:
- 01/08/1971
- In Force:
- 01/08/1971
- Withdrawn:
- 31/12/1999
Details
| Consultation Status | Closed |
| Vehicle Assessment | No |
| Lead Committee | Control Command and Signalling - CCS |