NBN EN 61333 : 1998

1 Scope
2 Normative reference
3 Marking locations
4 Marking content
    4.1 General
    4.2 Material identification code
    4.3 AL value or gap length
Annex ZA Normative references to international publications
with their corresponding European publications

Defines marking locations and a coding system of marking, particularly for U and E shape ferrite cores. An alphanumerical marking printed or attached to cores minimises the risk of incorrect assembly, mixing of materials and/or mixing of gapped cores on an assembly line.