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High-voltage switchgear and controlgear -- Alternating current switches for rated voltages above 1 kV up to and including 52 kV
IEC 62271-103:2021 is applicable to three-phase, alternating current switches and switch-disconnectors for their switching function, having making and breaking current ratings, for indoor and outdoor installations, for rated voltages above 1 kV up to and including 52 kV and for rated frequencies from 16⅔ Hz up to and including 60 Hz. This document is also applicable to single-pole switches used on three-phase systems.
This second edition cancels and replaces the first edition published in 2011. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
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