IEC 62271-1 Ed. 1.1 b:2011

High-voltage switchgear and controlgear - Part 1: Common specifications

"IEC 62271-1:2007+A1:2011 applies to a.c. switchgear and controlgear designed for indoor and outdoor installation and for operation at service frequencies up to and including 60 Hz 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. This consolidated version of IEC 62271-1 consists of the first edition (2007) and its amendment 1 (2011). It bears the edition number 1.1. A vertical line in the margin shows where the base publication has been modified by amendment 1. Additions and deletions are displayed in red, with deletions being struck through. This consolidated version consists of the first edition (2007) and its amendment 1 (2011). Therefore, no need to order amendment in addition to this publication. "

International Electrotechnical Commission [iec]

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