European Standards (abbreviated EN, from the German name Europäische Norm ("European Norm"))[1][2] are technical standards drafted and maintained by CEN (European Committee for Standardization), CENELEC (European Committee for Electrotechnical Standardization) and ETSI (European Telecommunications Standards Institute).
This range includes almost exclusively CEN Standards related to iron and steel.
EN 12080, Railway applications — Axleboxes — Rolling bearings Moreover, there are a lot of ISO and IEC standards that were accepted as "European Standard" (headlined as EN ISO xxxxx) and are valid in the European Economic Region.