Specifies the characteristics of standardized panels for rated a.c. voltages above 1 kV and up to and including 24 kV, for use indoors in primary and secondary substations, where the symmetrical short-circuit current does not exceed 20 kA.
NRS 003-2-1996 history
1996NRS 003-2-1996 Metal-clad switchgear - For rated a.c. voltages above 1 kV and up to and including 24 kV Part 2: Standardized panels