This standard specifies standard current ratings for electrical devices, apparatus, instruments and equipment. This standard does not apply to current ratings of components and parts used within electrical devices or items of equipment.
DIN EN 60059:2010 Referenced Document
ISO 3:1973 Preferred numbers; Series of preferred numbers
DIN EN 60059:2010 history
2010DIN EN 60059:2010 IEC standard current ratings (IEC 60059:1999 + A1:2009); German version EN 60059:1999 + A1:2009