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25.00 € 4.
NEW!IEC 60099-5:2018 is available as IEC 60099-5:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 60099-5:2018 provides information, guidance, and recommendations for the selection and application of surge arresters to be used in three-phase systems with nominal voltages above 1 kV. It applies to gapless metal-oxide surge arresters as defined in IEC 60099-4, to surge arresters containing both series and parallel gapped structure - rated 52 kV and less as defined in IEC 60099-6 and metal-oxide surge arresters with external series gap for overhead transmission and distribution lines (EGLA) as defined in IEC 60099-8. In Annex J, some aspects regarding the old type of SiC gapped arresters are discussed. Surge arrester residual voltage is a major parameter to which most users have paid a lot of attention to when selecting the type and rating. Typical maximum residual voltages are given in Annex F. It is likely, however, that for some systems, or in some countries, the requirements on system reliability and design are sufficiently uniform, so that the recommendations of the present standard may lead to the definition of narrow ranges of arresters. The user of surge arresters will, in that case, not be required to apply the whole process introduced here to any new installation and the selection of characteristics resulting from prior practice may be continued. Annexes H and I present comparisons and calculations between old line discharge classification and new charge classification. This third edition cancels and replaces the second edition published in 2013. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition regarding the new surge arrester classification introduced in IEC 60099-4:2014: a) Expanded discussion of comparison between the old and new classification and how to calculate or estimate the corresponding charge for different stresses. b) New annexes dealing with: - Comparison between line discharge classes and charge classification - Estimation of arrester cumulative charges and energies during line switching Keywords: selection and application of surge arrestors, nominal voltages above 1 kV
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 here: IEC 60099-5:2018. For the series NBN EN 50XXX, the standards are however complete.

DE version
EN version
FR version
Status Registered trilingual Belgian standard EN or FR or DE
Situation Currently active
Replaces  NBN EN 60099-5:2013
Committee TC 37
Responsible De heer VAN HECKE Luk
BEC Approval 2018-02-23
NBN Approval 2018-04-27
Belgian Official Journal 2018-06-11
Registration 185500
ICS-Code (International Standards Classification) 29.120.50 , 29.240.10
NBN Status New
Date of ratification (d.o.r.) 2018-02-23
Date of availability (d.a.v.) 2018-03-23
Date of announcement (d.o.a.) 2018-05-23
Date of publication (d.o.p.) 2018-11-23
Date of withdrawal former edition (d.o.w.) 2021-02-23
Correspondences with international standards
Relation International standard Date
is identical to EN IEC 60099-5:2018 2018-03-23
is identical to IEC 60099-5:2018 2018-01-19
Relations to belgian/foreign publications
Type Origin Code Date
Standard Belgium EN 60099-4
Standard Belgium EN 60507
Standard Belgium EN 62271-200
Standard Belgium EN 62271-203
Document Foreign IEC/TR 60071-4
Document Foreign IEC/TS 60815-1:2008
Standard Belgium NBN EN 60071-1:2006
Standard Belgium NBN EN 60071-1:2006/A1:2010
Standard Belgium NBN EN 60071-2:1997
Standard Belgium NBN EN 60099-4:2004/A1:2006
Standard Belgium NBN EN 60099-4:2004/A2:2009
Standard Belgium NBN EN 60099-4:2014
Standard Belgium NBN EN 60099-8:2011