IEC 61869-1 standard provides the foundational "General Requirements" for all instrument transformers, acting as a mandatory product-family document that must be used alongside specific part standards. IEC Webstore Essential Technical Overview
IEC 61869-2 establishes a clear hierarchy of tests to verify a transformer's design and manufacturing quality. iec 618691 pdf best
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This standard is intended to be used as a "general requirements" document. For a specific transformer type, it must be read in conjunction with its dedicated standard:
18;write_to_target_document1b;_ky3uaf-BHL-a4-EP79bfmAI_100;57; 0;98f;0;61d; 0;26c;0;7e9; 0;fa4;0;213d; IEC 61869-1:2007 - | Standards Council of Canada