NR BR 945
Miniature Tractive Armature DC Lamp Proving Relay (Plug-In Type) for Flashing Signals for Railway Signalling Purposes
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| Organization: | NR |
| Publication Date: | 1 August 1981 |
| Status: | active |
| Page Count: | 20 |
scope:
This specification relates to design requirements for a miniature tractive armature alow release proving relay of the plug-in type for use in circuits consisting of one or two pairs of 24 V, 36 W lamps energised by a battery or rectified a.c. supply. The lamps of each pair will flash alternately, with an overlap, at a rate of 60 to 90 flashes per minute per lamp.
Document History
NR BR 945
August 1, 1981
Miniature Tractive Armature DC Lamp Proving Relay (Plug-In Type) for Flashing Signals for Railway Signalling Purposes
This specification relates to design requirements for a miniature tractive armature alow release proving relay of the plug-in type for use in circuits consisting of one or two pairs of 24 V, 36 W...
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