IEC 63182-9 ED1 specifies the dimensions that are of importance for mechanical interchangeability for a preferred range of ellipse-cores made of metallic magnetic powder, and gives guidelines on allowable limits of surface irregularities applicable to ellipse-cores.
This document is a specification useful in the negotiations between magnetic powder core suppliers and users about surface irregularities.
The use of "derived" standards which give more detailed specifications of component parts while still permitting compliance with this document is discussed in Annex A.
IN_DEVELOPMENT
IEC 63182-9 ED1
50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Jul 31, 2026
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