UNLIMITED FREE
ACCESS TO THE WORLD'S BEST IDEAS

SUBMIT
Already a GlobalSpec user? Log in.

This is embarrasing...

An error occurred while processing the form. Please try again in a few minutes.

Customize Your GlobalSpec Experience

Select Your Free Newsletters

Industry Newsletters

Select Your Free Product Alerts

Finish!
Privacy Policy

This is embarrasing...

An error occurred while processing the form. Please try again in a few minutes.

NR BR 991

Specification for British Railways Flashing Signal Aspect Control Unit

active, Most Current
Buy Now
Organization: NR
Publication Date: 2 August 1980
Status: active
Page Count: 12

Document History

NR BR 991
August 2, 1980
Specification for British Railways Flashing Signal Aspect Control Unit
A description is not available for this item.

References

This document references:
BS 469 - Specification for Railway Signalling Lamps
Published by BSI on July 15, 1995
Requirements, testing procedures and conditions, statistical sampling.
This document references:
BS 714 - Specification for Cartridge Fuse-Links for Use in Railway-Signalling Circuits
Published by BSI on November 30, 1950
Up to 250 V. Ratings, dimensions, end-caps, materials, marking, tests.
This document references:
NR BR 903 - Specification for Electrical Requirements for Standard Colour Light Signals
Published by NR on October 1, 1992
This specification covers the signal head wiring and the varioue items of equipment required for a complete electrical system for lighting and proving lcmps in colour light signals. This...
This document references:
NR BRS-SM 295 - Overall Dimensions & Fixing CRS for Rack Mounted Equipment
Published by NR on March 1, 1988
A description is not available for this item.
This document is referenced by:
BS 8586 - Pin codes for BR 930 series relays – Specification
Published by BSI on December 31, 2013
A description is not available for this item.
This document is referenced by:
NR/GN/SIG/CAT006 - Index of NR Documents Relating to Signalling & Communications Equipment
Published by NR on June 2, 2012
This standard represents historical information and best practice for equipment and systems that are still found on the infrastructure. This is not a mandatory standard and users should check...
This document is referenced by:
NR/L2/SIG/11201 ISSUE 18 - Signalling Design Handbook
Published by NR on December 2, 2023
This standard lays down the requirements for: a) the design of signalling works applicable to the infrastructure; b) the design of signalling systems; c) the design of software and data used in...
View Less
View All

Related Products

Searching for related products...

Advertisement