This standard covers the design, testing, and performance of several types of reactors:

IEC offers a "IEC LITE" subscription. For a low annual fee (often under $200/year), you get access to all IEC standards in a watermarked, non-printable web viewer. If you need one updated standard for a single project, this is 90% cheaper than buying the PDF outright.

While the main standard is pending, a related technical document was released recently:

Iec 600766 Updated Free Pdf Download [verified] -

This standard covers the design, testing, and performance of several types of reactors:

IEC offers a "IEC LITE" subscription. For a low annual fee (often under $200/year), you get access to all IEC standards in a watermarked, non-printable web viewer. If you need one updated standard for a single project, this is 90% cheaper than buying the PDF outright. iec 600766 updated free pdf download

While the main standard is pending, a related technical document was released recently: This standard covers the design, testing, and performance