DS/EN 50123-4:2003
Railway applications - Fixed installations - D.C. switchgear - Part 4: Outdoor d.c. disconnectors, switch-disconnectors and earthing switches

Standard No.

DS/EN 50123-4:2003

Release Date

2003

Published By

Danish Standards Foundation

Status

Be replaced 2013-10

Replace By

DS/EN 50123-4/A1:2013

Latest

DS/EN 50123-4/A1:2013

Replace

DS/EN 50123-4-1999

Scope

This part of EN 50123 specifies requirements for outdoor d.c. switch-disconnectors, disconnectors and earthing switches for use in outdoor fixed installations of traction systems. NOTE 1 EN 50121-5 specifies requirements for electromagnetic compatibility (EMC). NOTE 2 In this document the word ""unit"" means ""switch-disconnector and/or disconnector and/or earthing switch"" as defined in 3.1.4, 3.1.5 and 3.1.6 of EN 50123-1.

DS/EN 50123-4:2003 history

• 2013 DS/EN 50123-4/A1:2013 Railway applications - Fixed installations - D.C. switchgear - Part 4: Outdoor d.c. disconnectors, switch-disconnectors and earthing switches
• 2003 DS/EN 50123-4:2003 Railway applications - Fixed installations - D.C. switchgear - Part 4: Outdoor d.c. disconnectors, switch-disconnectors and earthing switches