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NR BR 933

Specification for Miniature Tractive Armature AC Immune DC Slow Pick-Up Neutral Line Relay, Plug-In Type for Railway Signalling Purposes

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Organization: NR
Publication Date: 1 May 1977
Status: active
Page Count: 32
scope:

This specification relates to the design requirements of miniature tractive armature D.C slow pick-up neutral line relays for use in railway signaling circuits, irrespective of the presence in the circuit of alternating current at industrial frequency.

Document History

NR BR 933
May 1, 1977
Specification for Miniature Tractive Armature AC Immune DC Slow Pick-Up Neutral Line Relay, Plug-In Type for Railway Signalling Purposes
This specification relates to the design requirements of miniature tractive armature D.C slow pick-up neutral line relays for use in railway signaling circuits, irrespective of the presence in the...

References

This document references:
NR BR 935 - Specification for Miniature Tractive Armature DC Magnetically Latched Neutral Line Relay, Plug-In Type for Railway Signalling Purposes
Published by NR on September 5, 1981
This specification relates to design requirements for miniature tractive armature D.C. relays of the plug-in type for use in railway signaling circuits. The design is such that once the armature is...
This document references:
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 references:
NR BR 934 - Specification for Miniature Tractive Armature AC Immune DC Slow Release Neutral Line Relay, Plug-In Type for Railway Signalling Purposes
Published by NR on May 1, 1977
This specification relates to design requirements for miniature tractive armature D.C. slow release neutral line relays of the plug in type for use in railway signaling circuits, irrespective of the...
This document references:
NR BR 932 - Specification for Miniature Tractive Armature AC Immune DC Biased Neutral Line Relay, Plug-In Type for Railway Signalling Purposes
Published by NR on May 1, 1977
This specification relates to design requirements for miniature tractive armature D.C. biased neutral line relays of the plug-in type for use in railway signalling circuits irrespective of the...
This document references:
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.
This document references:
NR BR 963 - Specification for Miniature Twin Tractive Armature D.C. Slow-Acting Neutral Line Relay Unit, Plug-In Type, for Railway Signalling Purposes
Published by NR on September 1, 1982
This specification relates to design requirements twin tractive amture D.C. slow acting neutral line relays of the plug-in type for use in railway signaling circuits.
This document references:
NR BR 938 - Specification for Miniature Tractive Armature DC Neutral Track Relay, Plug-In Type for Railway Signalling Purposes
Published by NR on September 1, 1971
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.
This document references:
NR BR 941 - Specification for Miniature Tractive Armature AC Lamp Proving Relay Plug-In Type for Railway Signalling Purposes
Published by NR on July 1, 1976
This specification relates to design requirements for a miniature tractive armature slow release line relay of the plug-in type for use in ll0v signalling circuits, incorporating a rectifier feed...
This document references:
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 references:
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.
This document references:
NR BR 932 - Specification for Miniature Tractive Armature AC Immune DC Biased Neutral Line Relay, Plug-In Type for Railway Signalling Purposes
Published by NR on May 1, 1977
This specification relates to design requirements for miniature tractive armature D.C. biased neutral line relays of the plug-in type for use in railway signalling circuits irrespective of the...
This document references:
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 references:
NR BR 935 - Specification for Miniature Tractive Armature DC Magnetically Latched Neutral Line Relay, Plug-In Type for Railway Signalling Purposes
Published by NR on September 5, 1981
This specification relates to design requirements for miniature tractive armature D.C. relays of the plug-in type for use in railway signaling circuits. The design is such that once the armature is...
This document references:
NR BR 934 - Specification for Miniature Tractive Armature AC Immune DC Slow Release Neutral Line Relay, Plug-In Type for Railway Signalling Purposes
Published by NR on May 1, 1977
This specification relates to design requirements for miniature tractive armature D.C. slow release neutral line relays of the plug in type for use in railway signaling circuits, irrespective of the...
This document is referenced by:
NR RT/E/PS/11757 - AC Phase Sensitive Track Circuits (aka NR/PS/SIG/11757)
Published by NR on December 1, 2000
The contents of this Product Specification apply to a.c. phase sensitive track circuits, and shall be read in conjunction with RT/E/S/11752. The following forms of a.c. track circuit are included: •...
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