DS/EN 50123-3:2003
Railway applications - Fixed installations - D.C. switchgear - Part 3: Indoor d.c. disconnectors, switch-disconnectors and earthing switches

Standard No.

DS/EN 50123-3:2003

Release Date

2003

Published By

Danish Standards Foundation

Status

Be replaced 2013-10

Replace By

DS/EN 50123-3/A1:2013

Latest

DS/EN 50123-3/A1:2013

Replace

DS/EN 50123-3-1995

Scope

This part of EN 50123 specifies requirements for d.c. disconnectors, switch-disconnectors and earthing switches for use in indoor fixed installations of traction systems. NOTE 1 Switchgear assemblies, electromagnetic compatibility (EMC) and dependability are not covered in this part of EN 50123, but rather by other parts of this standard or other documents as indicated in EN 50123-1. NOTE 2 In this standard the word ""unit"" means ""disconnector and/or switch-disconnector and/or earthing switch"" as defined in 3.1.4, 3.1.5 and 3.1.6 of EN 50123-1. NOTE 3 Disconnectors, switch-disconnectors and earthing switches may have electrically latched mechanisms and,

DS/EN 50123-3:2003 history

• 2013 DS/EN 50123-3/A1:2013 Railway applications - Fixed installations - D.C. switchgear - Part 3: Indoor d.c. disconnectors, switch-disconnectors and earthing switches
• 2003 DS/EN 50123-3:2003 Railway applications - Fixed installations - D.C. switchgear - Part 3: Indoor d.c. disconnectors, switch-disconnectors and earthing switches