Specifies the service conditions, rated characteristics, general structural requirements and test methods of prefabricated substations, which are cable connected, for alternating current of primary rated voltages above 1 kV and up to and including 52 kV,
IEC 61330:1995 High-voltage/low-voltage prefabricated substations was changed to IEC 62271-202:2006 High-voltage switchgear and controlgear - Part 202: High-voltage/low-voltage prefabricated substation.