Iec 618691 Pdf Hot Jun 2026

The standard serves as the "Product Family" foundation for all instrument transformers. The 2023 edition is particularly critical because it: Merges Legacy Standards : It absorbs IEC 61869-6:2016

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: It now explicitly covers equipment for HV applications with nominal voltages above 1 kV AC or 1.5 kV DC. Prioritises Wideband Accuracy : A major highlight is the introduction of wideband accuracy classes The standard serves as the "Product Family" foundation