NR BR 938
Specification for Miniature Tractive Armature DC Neutral Track Relay, Plug-In Type for Railway Signalling Purposes
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| Organization: | NR |
| Publication Date: | 1 September 1971 |
| Status: | active |
| Page Count: | 28 |
scope:
This Specification relates ti design requirements for miniature tractive armature D.C neutral track relays of the plug-in type for use in railway signalling circuits.
Document History
NR BR 938
September 1, 1971
Specification for Miniature Tractive Armature DC Neutral Track Relay, Plug-In Type for Railway Signalling Purposes
This Specification relates ti design requirements for miniature tractive armature D.C neutral track relays of the plug-in type for use in railway signalling circuits.