This part of IEC 61992 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 standard, but rather by other parts of the IEC 61992 series or other documents as indicated in IEC 61992-1.
NOTE 2 In this standard, the word "unit" means "disconnector and/or switch-disconnector and/or earthing switch" as defined in 3.1.5, 3.1.6 and 3.1.7 of IEC 61992-1.
NOTE 3 Disconnectors, switch-disconnectors and earthing switches may have electrically latched mechanisms and, in such cases, may be indicated with the current term of "power contactors".dition 2.1 2015-09 CONSOLIDATED VERSION VERSION CONSOLIDéE colour inside Railway applications – Fixed installations – DC switchgear – Part 3: Indoor d.c. disconnectors, switch-disconnectors and earthing switches Applications ferroviaires – Installations fixes – Appareillage à courant continu – Partie 3: Interrupteurs-sectionneurs, sectionneurs et sectionneurs de terre à courant continu, pour l'intérieur IEC 61992-3:2006-02+AMD1:2015-09 CSV(en