This part of IEC 62271 applies to a.c. switchgear and controlgear designed for indoor and outdoor installation and for operation at service frequencies up to and including 60Hz on systems having voltages above 1 000 V.
This standard applies to all high-voltage switchgear and controlgear except as otherwise specified in the relevant IEC standards for the particular type of switchgear and controlgear.
NOTE For the use of this standard, high voltage (see IEV 601-01-27) is the rated voltage above 1 000 V. However, the term medium voltage (see IEV 601-01-28) is commonly used for distribution systems with voltages above 1 kV and generally applied up to and including 52 kV.
IEC 62271-1:2011 Referenced Document
IEC 60034-1 Rotating electrical machines - Part 1: Rating and performance*， 2022-02-14 Update
IEC 60051-1 Direct acting indicating analogue electrical measuring instruments and their accessories - Part 1: Definitions and general requirements common to all parts*， 2016-02-01 Update
IEC 60051-2 Direct acting indicating analogue electrical measuring instruments and their accessories - Part 2: Special requirements for ammeters and voltmeters*， 2018-07-31 Update
IEC 60051-4 Direct acting indicating analogue electrical measuring instruments and their accessories title - Part 4: Special requirements for frequency meters*， 2018-07-31 Update
IEC 62271-1:2011 history
2021IEC 62271-1:2017/ISH1:2021 Interpretation Sheet 1 - High-voltage switchgear and controlgear - Part 1: Common specifications for alternating current switchgear and controlgear
2021IEC 62271-1:2021 High-voltage switchgear and controlgear - Part 102: Alternating current disconnectors and earthing switches
2017IEC 62271-1:2017 High-voltage switchgear and controlgear - Part 1: Common specifications for alternating current switchgear and controlgear