GSO IEC TR 62271-307:2021

IEC TR 62271-307:2015

Gulf Standard Current Edition · Approved on 01 July 2021

High-voltage switchgear and controlgear - Part 307: Guidance for the extension of validity of type tests of AC metal and solid-insulation enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV

GSO IEC TR 62271-307:2021 Files

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GSO IEC TR 62271-307:2021 Scope

IEC TR 62271-307:2015 refers to prefabricated metal-enclosed and solid-insulation enclosed (both hereinafter called enclosed) switchgear and controlgear assemblies for alternating current of rated voltages above 1 kV and up to and including 52 kV as specified in IEC 62271-200 and IEC 62271-201, and to other equipment included in the same enclosure with any possible mutual influence.

This publication is to be read in conjunction with IEC 62271-200:2011 and IEC 62271-201:2014.

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