This part of IEC 61992 specifies requirements for d.c. disconnectors, switch-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 standard the word "unit" means "switch-disconnector and/or disconnector and/or earthing switch"
as defined in 3.1.5, 3.1.6 and 3.1.7 of IEC 61992-1.
IEC 61992-4:2006 history
2015IEC 61992-4:2006/AMD1:2015 Amendment 1 - Railway applications - Fixed installations - DC switchgear - Part 4: Outdoor d.c. disconnectors, switch-disconnectors and earthing switches
2015IEC 61992-4:2015 Applications ferroviaires – Installations fixes – Appareillage à courant continu – Partie 4: Interrupteurs-sectionneurs@ sectionneurs et sectionneurs de terre à courant continu@ pour usage extérieur (Edition 1.1; Consolidated Reprint)
2006IEC 61992-4:2006 Railway applications - Fixed installations - DC switchgear - Part 4: Outdoor d.c. disconnectors, switch-disconnectors and earthing switches