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IEC 60068-3-3-ed.2.0
Environmental testing - Part 3-3: Supporting documentation and guidance - Seismic test methods for equipment
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STANDARD published on 23.8.2019
The information about the standard:
Designation standards: IEC 60068-3-3-ed.2.0
Publication date standards: 23.8.2019
SKU: NS-969412
The number of pages: 95
Approximate weight : 316 g (0.70 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60068-3-3-ed.2.0 :
IEC 60068-3-3:2019 applies primarily to electro-technical equipment but its application can be extended to other equipment and to components. In addition, if some type of analysis is always performed when making a seismic qualification, for example for the choice of the representative sample to be tested or for the extension of the seismic qualification from the tested specimen to similar specimens, the verification of the performance of an equipment by analysis or by a combination of testing and analysis can be acceptable but is outside the scope of this document, which is restricted to verification based entirely upon data from dynamic testing. This second edition cancels and replaces the first edition published in 1991. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - the main aim of this revision is to connect the testing level to the seismic activity level of the zone where the equipment could be installed; - a standard shape for the required response spectrum is also given for the general seismic class for which the seismic environment is either not known or is imprecisely known; - Clauses 11 to 15 were renumbered and some adjustments were made as their content is very general and the requirements can be applied both to the general seismic class and to the specific seismic class; - the word “envelope” is replaced with “dominance” and “to envelop” with “to dominate” in order to provide a more precise meaning from a mathematical point of view. The contents of the corrigendum of September 2021 have been included in this copy. L’IEC 60068-3-3:2019 s’applique principalement au materiel electrotechnique mais son application peut s’etendre a d’autres materiels et composants. Par ailleurs, si un certain type d’analyse est toujours effectuee lors de la realisation d’une qualification sismique, par exemple pour choisir l’echantillon representatif a soumettre a essai ou pour etendre la qualification sismique du specimen soumis a essai a des specimens similaires, la verification des performances d’un materiel par l’analyse ou par une combinaison d’essais et d’analyses peut etre acceptable mais elle n’entre pas dans le domaine d’application du present document, qui se limite a la verification uniquement fondee sur les donnees d’essais dynamiques. Cette deuxieme edition annule et remplace la premiere edition parue en 1991. Cette edition constitue une revision technique. Cette edition inclut les modifications techniques majeures suivantes par rapport a ledition precedente: - le principal objectif de la presente revision est d’adapter le niveau d’essai au niveau d’activite sismique de la zone ou le materiel est susceptible d’etre installe; - une forme normalisee du spectre de reponse specifie est egalement fournie pour la classe sismique generale pour laquelle l’environnement sismique n’est pas connu ou l’est de maniere imprecise; - les Articles 11 a 15 ont ete renumerotes et plusieurs ajustements ont ete effectues car le contenu de ces articles est tres general et les exigences peuvent s’appliquer aussi bien a la classe sismique generale qu’a la classe sismique specifique; - le terme «enveloppe» est remplace par «dominance» et «envelopper» par «dominer» afin d’expliciter ces termes du point de vue mathematique. Le contenu du corrigendum de septembre 2021 a ete pris en consideration dans cet exemplaire.
These corrections apply to this standard:
IEC 60068-3-3-ed.2.0/Cor.1
Correction
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Corrigendum 1 - Environmental testing - Part 3-3: Supporting documentation and guidance - Seismic test methods for equipment
(Corrigendum 1 - Essais d´environnement - Partie 3-3: Documentation d’accompagnement et recommandations - Methodes d’essais sismiques applicables aux materiels)
Correction published on 29.9.2021
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