NR BR 961
Specification for Miniature Twin Tractive Armature A.C. Immune D.C. Biased Neutral Line Relay Unit, Plug-In Type, for Railway Signalling Purposes
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Organization: | NR |
Publication Date: | 1 September 1982 |
Status: | active |
Page Count: | 36 |
scope:
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 signaling circuits.
Document History
NR BR 961
September 1, 1982
Specification for Miniature Twin Tractive Armature A.C. Immune D.C. Biased Neutral Line Relay Unit, Plug-In Type, for Railway Signalling Purposes
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 signaling circuits.