Go to the IEC Webstore and search for "61869-1". Click the "Preview" button on the product page. 2. What is IEC 61869-1?

Disclaimer: This article is for informational purposes only. Prices and access methods are subject to change. Always refer to the official IEC webstore for the most current legal purchasing options.

If you represent a legitimate training organization or a testing lab, you can write to the IEC or your local standards body requesting a review copy for educational purposes. This is a long shot but possible for non-profits.

is a protected document that is not legally available for free download in its full version. It serves as the foundational "Product Family" standard for all instrument transformers, establishing core safety, performance, and testing requirements. IEC Webstore How to Access the Standard

offer free multi-page previews (typically 15+ pages) that include the table of contents and scope. Reference Sites:

If you need to review the technical details before a professional purchase, these sources offer substantial previews or full text of related versions:

: This ResearchGate publication (also available via Scribd ) provides an extensive overview of how the IEC 61869 series replaced the older IEC 60044 standards. It includes tables mapping old standards to new ones and explains the technical evolution of current and voltage transformers.

If you search for an old free PDF, you might get the 2003 version, which is obsolete. The current version includes: