The IEC 61992 series specifies requirements for d.c. switchgear and controlgear and is intended to be used in fixed electrical installations with nominal voltage not exceeding 3 000 V d.c, which supply electrical power to vehicles for public guided transport, i.e. railway vehicles, tramway vehicles, underground vehicles and trolley-buses.
IEC 61992-1:2001 history
2014IEC 61992-1:2006/AMD1:2014 Railway Applications - Fixed installations - D.C. switchgear - Part 1: General
2014IEC 61992-1:2014 Railway applications - Fixed installations - DC switchgear - Part 1: General
2006IEC 61992-1/AMD1:2006 Railway Applications - Fixed Installations - DC Switchgear - Part 1: General (Edition 2.0)
2006IEC 61992-1:2006 Railway applications - Fixed installations - DC switchgear - Part 1: General
2001IEC 61992-1:2001 Railway applications - Fixed installations - DC switchgear - Part 1: General