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Reaffirmed Standards : ETD 8


S.No. IS Number IS Title Reaffirmation Year Category Document Comment
1 IS/IEC 62271 : PART 201 : 2014 High-Voltage Switchgear and Controlgear Part 201 ac Solid-Insulation Enclosed Switchgear and Controlgear for Rated Voltages Above 1 kV up to and Including 52 kV ( First Revision ) 2024 Product Specification  Buy
2 IS/IEC 62271 : PART 207 : 2012 High - Voltage switchgear and controlgear: Part 207 seismic qualification for gas - Insulated switchgear assemblies for rated voltages above 52 kV (First Revision) 2016 Code of Practice  Buy
3 IS/IEC 62271 : Part 300 : 2006 High-Voltage Switchgear and Controlgear Part 300 Seismic Qualification of Alternating Current Circuit-Breakers 2024 ------  Buy
4 IS 8084 : 1976 Specification for interconnecting bus - Bars for ac voltage above 1 kV up to and including 36 kV 2017 Product Specification  Buy
5 IS 9135 : 1979 Guide for testing of circuit - Breakers with respect to out - Of - Phase switching 2017 Methods of tests  Buy