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EXPLOSIVE ATMOSPHERES - PART 25: INTRINSICALLY SAFE ELECTRICAL SYSTEMS
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Published date: 12-01-2013
Publisher: Association Francaise de Normalisation
AVANT-PROPOS1 Domaine d'application2 Références normatives3 Définitions4 Document descriptif système5 Groupement et classification6 Catégories de classement des systèmes 6.1 Généralités 6.2 Catégorie 'ia' 6.3 Catégorie 'ib'7 Température nominale ambiante8 Câblage sur site9 Mise à la terre et liaison des systèmes de sécurité intrinsèque10 Protection contre la foudre et les autres surtensions électriques11 Evaluation d'un système de sécurité intrinsèque 11.1 Généralités 11.2 Analyse des circuits inductifs 11.3 Défaillances du câblage sur site 11.4 Vérifications et essais de type12 MarquageAnnexe A (normative) Evaluation d'un système de sécurité intrinsèque simpleAnnexe B (normative) Evaluation des circuits comportant au moins deux sources de puissanceAnnexe C (informative) Interconnexion de circuits de sécurité intrinsèque linéaires et non linéairesAnnexe D (normative) Vérification des paramètres inductifsAnnexe E (informative) Format possible des schémas descriptifs des systèmes et des schémas d'installationAnnexe F (informative) Protection contre la surtension d'un circuit de sécurité intrinsèqueAnnexe ZA (normative) Références normatives à d'autres publications internationales avec les publications européennes correspondantesAnnexe ZZ (informative) Couverture des Exigences Essentielles des Directives CE
Describes requirements for construction and assessment of intrinsically safe electrical systems, type of protection 'i', intended for use, as a whole or in part, in explosive atmospheres in Group II locations.
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