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NR BR 831

Specification for Connectors for BR Miniature Relays

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Organization: NR
Publication Date: 1 December 1987
Status: active
Page Count: 5
scope:

This specification relates particularly to connectors for miniature plug-in relays, but standard connectors are required for use in similar situations; for example, the plug couplers for geographical relay sets.

Document History

NR BR 831
December 1, 1987
Specification for Connectors for BR Miniature Relays
This specification relates particularly to connectors for miniature plug-in relays, but standard connectors are required for use in similar situations; for example, the plug couplers for geographical...

References

This document references:
BS 1872 - Specification for Electroplated Coatings of Tin
Published by BSI on February 29, 1984
Appearance, heat treatment, sampling and undercoats of tin coatings on fabricated articles of metal and on printed circuit boards. Classification. Requirements and test methods for thickness,...
This document references:
NR BRS-SM 872 - Location of Telephones Letter 'L' Sign
Published by NR on April 11, 1994
A description is not available for this item.
This document references:
NR BRS-SE 55 - Details of Connector Slots for B.R. Relay Plugboard
Published by NR on January 19, 1982
A description is not available for this item.
This document references:
NR BRS-SE 56 - Removable Connector for B.R. Relay Plugboard. (One-Piece Crimped Type)
Published by NR on March 28, 1990
A description is not available for this item.
This document references:
NR BRS-SE 71/1 - Insertion Tool for Relay Connectors
Published by NR on May 24, 1988
A description is not available for this item.
This document is referenced by:
NR BR 945 - Miniature Tractive Armature DC Lamp Proving Relay (Plug-In Type) for Flashing Signals for Railway Signalling Purposes
Published by NR on August 1, 1981
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...
This document is referenced by:
NR BR 930 - Specification For Miniature Tractive Armature DC Neutral Line Relay (Plug-In Type) for Railway Signalling Purposes
Published by NR on November 1, 1985
GENERAL The relays covered by this specification are for general railway signalling purposes, i.e. line circuits, control circuits etc. where special characteristics such as a.c. immunity, slow...
This document is referenced by:
NR BR 946 - Specification for Miniature Tractive Armature DC Neutral Time Delay Relay for Railway Signalling Purposes
Published by NR on January 1, 1981
The time shall be obtained from the discharge of an capacitor into a coil of a tractive armature relay conforming to specifications of the BR 930 series The users attention is drawn to the fact that...
This document is referenced by:
NR BR 960 - Specification for Miniature Twin Tractive Armature D.C. Neutral Line Relay Unit (Plug-In Type) for Railway Signalling Purposes
Published by NR on November 1, 1985
This specification relates to design requirements for miniature twin tractive armature d.c. neutral line relays of the plug-in type for use in railway signaling circuits.
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