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Publication details

Publication CODE Title
Price Excl. VAT Total number of pages, tables and drawings
25.00 € 4.
IEC 61400-5:2020 specifies requirements to ensure the engineering integrity of wind turbine blades as well as an appropriate level of operational safety throughout the design lifetime. It includes requirements for:
  • aerodynamic and structural design,
  • material selection, evaluation and testing,
  • manufacture (including associated quality management),
  • transportation, installation, operation and maintenance of the blades.
The purpose of this document is to provide a technical reference for designers, manufacturers, purchasers, operators, third party organizations and material suppliers, as well as to define requirements for certification.
Class  C
Available files
ATTENTION: Belgian registered standards (NBN EN or NBN HD) are generally only available in English or French. Only the cover page is translated and the document itself is in English or in French.

Very important notice: 98% of the text of the NBN EN 55XXX, NBN EN 6XXXX comes from the IEC text which is NOT included. This text can be ordered electronically on our website, but isn't available via this link. Please contact the BEC if you want to buy this text and we'll give you the appropriate link.

DE version
EN version
FR version
Status Registered trilingual Belgian standard EN or FR or DE
Situation Currently active
Committee CLC/TC 88
Wind turbines
BEC Approval 2020-07-21
NBN Approval 2020-09-23
ICS-Code (International Standards Classification) 27.180
NBN Status New
Date of ratification (d.o.r.) 2020-07-21
Date of availability (d.a.v.) 2020-08-07
Date of announcement (d.o.a.) 2020-10-21
Date of publication (d.o.p.) 2021-04-21
Date of withdrawal former edition (d.o.w.) 2023-07-21
Correspondences with international standards
Relation International standard Date
is identical to EN IEC 61400-5:2020 2020-08-07
is identical to IEC 61400-5:201X
Relations to belgian/foreign publications
Type Origin Code Date
Standard Belgium EN 61400-2
Standard Belgium EN 61400-23
Standard Belgium EN IEC 61400-1
Standard Belgium EN IEC 61400-24
Standard Belgium EN IEC 61400-3-1
Standard Belgium EN ISO 9000
Standard Belgium EN ISO 9001
Standard Belgium EN ISO/IEC 17021-1
Standard Foreign IEC 60050-415
Standard Foreign ISO 10474
Standard Foreign ISO 16269-6
Standard Foreign ISO 2394