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BS 519

50th Edition, July 14, 1950

Complete Document

Specification for Tractive Armature Direct Current Neutral-Polar Line Relays for Railway Signalling

Includes all amendments and changes through Reaffirmation Notice , December 15, 1980


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EN
Additional Comments:
W/D NO S/S * INCLUDES AMENDMENT 2
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Product Details:

  • Revision: 50th Edition, July 14, 1950
  • Published Date: December 15, 1980
  • Status: Not Active, See comments below
  • Document Language: English
  • Published By: British Standards Institution (BSI)
  • Page Count: 14
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Relays having up to four neutral contact-arms and up to four polar contact-arms. Construction (overall dimensions, electrical tests, performance characteristics); arrangement, marking of terminals.