Low prices! Originals & Official Editions! Save your budget and time!
standardsupdate.com: Standards Update Online Store
Contacts
  1. Home
  2. NR
  3. NR BR 934 ISSUE A4 PDF

NR BR 934 ISSUE A4 PDF

NR BR 934 ISSUE A4 PDF

Name:
NR BR 934 ISSUE A4 PDF

Published Date:
05/01/1977

Status:
[ Active ]

Description:

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

Publisher:
Network Rail

Document status:
Active
Format:
Electronic (PDF)
Delivery time:
10 minutes
Delivery time (for Czech version):
200 business days
SKU:
nr-br-934-issue-a4_2761085
Choose Document Language:
18.60 €
Need Help?
PDF ONLY

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 presence in the circuit of alternating current at industrial frequency. The design is based on the requirements that the delay is sufficient to cover the changeover time of an A.C. immunized neutral line relay manufactured in accordance with B.R.


Edition : A4
File Size : 1 file , 6.3 MB
Number of Pages : 31
Published : 05/01/1977

History

Related products

NR NR/L3/ELP/SAI25/12 ISSUE 1
NR NR/L3/ELP/SAI25/12 ISSUE 1
Published Date: 06/03/2023
Working On or About Overhead Line Equipment (SAI): Management of Local Earthed Isolation Instructions for Overhead Line Equipment
13.20 €
NR NR/L2/SIG/10027 ISSUE 6
NR NR/L2/SIG/10027 ISSUE 6
Published Date: 06/01/2024
Surveillance of Signal Maintenance Activities
13.20 €
NR TEF 3095 ISSUE 2
NR TEF 3095 ISSUE 2
Published Date: 12/04/2010
Approval for Basic Visual Inspection of Track in Darkness
5.70 €
NR RT/ETE/1/A/7
NR RT/ETE/1/A/7
Published Date: 03/17/1998
Arrangement of Preformed Conductor Rail End Ramps Formed from Standard Steel Conductor Rail
5.70 €

Best-Selling Products

SN-CEN ISO/TS 10272-3:2010/AC:2011
SN-CEN ISO/TS 10272-3:2010/AC:2011
Published Date: 12/01/2011
Microbiology of food and animal feeding stuffs — Horizontal method for detection and enumeration of Campylobacter spp. — Part 3: Semi-quantitative method — Technical Corrigendum 1 (ISO/TS 10272-3:2010/Cor 1:2011)
SN-CEN ISO/TS 10272-3:2010
SN-CEN ISO/TS 10272-3:2010
Published Date: 03/01/2010
Microbiology of food and animal feeding stuffs — Horizontal method for detection and enumeration of Campylobacter spp. — Part 3: Semi-quantitative method (ISO/TS 10272-3:2010)
SN-CEN ISO/TS 11133-1:2009
SN-CEN ISO/TS 11133-1:2009
Published Date: 02/01/2009
Microbiology of food and animal feeding stuffs — Guidelines on preparation and production of culture media — Part 1: General guidelines on quality assurance for the preparation of culture media in the laboratory (ISO/TS 11133-1:2009)
SN-CEN ISO/TS 11133-2:2003/A1:2011
SN-CEN ISO/TS 11133-2:2003/A1:2011
Published Date: 02/01/2011
Microbiology of food and animal feeding stuffs — Guidelines on preparation and production of culture media — Part 2: Practical guidelines on performance testing of culture media — Amendment 1: Test microorganisms for commonly used culture media (ISO/TS 11133-2:2003/AMD 1:2011)
SN-CEN ISO/TS 11133-2:2003
SN-CEN ISO/TS 11133-2:2003
Published Date: 12/15/2003
Microbiology of food and animal feeding stuffs — Guidelines on preparation and production of culture media — Part 2: Practical guidelines on performance testing of culture media (ISO/TS 11133-2:2003)
SN-CEN ISO/TS 11135-2:2008/AC:2009
SN-CEN ISO/TS 11135-2:2008/AC:2009
Published Date: 04/08/2009
Sterilization of health care products — Ethylene oxide — Part 2: Guidance on the application of ISO 11135-1 (ISO/TS 11135-2:2008/Cor 1:2009)