: Must be read in conjunction with specific product standards (e.g., IEC 61869-2 for current transformers or IEC 61869-3 for inductive voltage transformers). Key Technical Requirements
is titled "Instrument transformers – Part 1: General requirements." It is a standard published by the International Electrotechnical Commission (IEC). Iec 61869-1 Pdf
For those working with instrument transformers, we recommend: : Must be read in conjunction with specific
: Covers rated frequencies from 15 Hz to 400 Hz, as well as DC applications. as well as DC applications.