EN 61482-1-2:2014
(Main)Live working - Protective clothing against the thermal hazards of an electric arc - Part 1-2: Test methods - Method 2: Determination of arc protection class of material and clothing by using a constrained and directed arc (box test)
Live working - Protective clothing against the thermal hazards of an electric arc - Part 1-2: Test methods - Method 2: Determination of arc protection class of material and clothing by using a constrained and directed arc (box test)
IEC 61482-1-2:2014 specifies procedures to test material and garments intended for use in heat and flame-resistant clothing for workers if there is an electric arc hazard. A directed and constrained electric arc in a test circuit is used to classify material and clothing in two defined arc protection classes. This International Standard is not dedicated toward measuring the arc rating values (ATPV, ELIM, or EBT). Procedures determining these arc rating values are prescribed in IEC 61482-1-1, using an open arc for testing. Other effects than the thermal effects of an electric arc like noise, light emissions, pressure rise, hot oil, electric shock, the consequences of physical and mental shock or toxic influences are not covered by this standard. Protective clothing for work intentionally using an electric arc, e.g. arc welding, plasma torch, is not covered by this standard. This second edition cancels and replaces the first edition, published in 2007. This edition constitutes a technical revision which includes the following significant technical changes with regard to the previous edition: - new mean values of main control parameters arc energy and incident energy based on an extended statistical database consisting of parameter values measured in four laboratories; - reduction of validity check ranges of main control parameters; - determination of the incident energy by averaging the two sensor values of a test (instead of considering each single sensor value); - determination of the heat curves of transmitted incident energy and an amendment to the heat flux acceptance criterion; - clarification of the scope; - and selection of the arc protection classes (test classes) by the amount of the arc energy and incident energy instead of the short-circuit current.
Arbeiten unter Spannung - Schutzkleidung gegen die thermischen Gefahren eines elektrischen Lichtbogens - Teil 1-2: Prüfverfahren - Verfahren 2: Bestimmung der Lichtbogen-Schutzklasse des Materials und der Kleidung unter Verwendung eines gerichteten Prüflichtbogens (Box-Test)
Travaux sous tension - Vêtements de protection contre les dangers thermiques d'un arc électrique - Partie 1-2: Méthodes d’essai - Méthode 2: Détermination de la classe de protection contre l’arc de matériaux et de vêtements au moyen d’un arc dirigé et contraint (enceinte d’essai)
L'IEC 61482-1-2:2014 spécifie des procédures d'essai des matériaux et des articles d'habillement destinés à être utilisés dans les vêtements résistant à la chaleur et à la flamme pour les travailleurs, en cas de danger d'arc (de défaut) électrique. Dans un circuit d'essai, un arc électrique dirigé et contraint permet de classer les matériaux et les vêtements dans deux classes de protection contre les arcs définies. Cette Norme Internationale n'est pas destinée à mesurer les valeurs de performance de l'arc (ATPV, ELIM, ou EBT). Les procédures déterminant les valeurs de performance thermique de l'arc sont présentées dans l'IEC 61482-1-1. Elles utilisent un arc à l'air libre pour les essais. D'autres effets que les effets thermiques d'un arc électrique tel que le bruit, les émissions de lumière, la montée de pression, l'huile chaude, les chocs électriques, les conséquences des chocs physiques et mentaux ou les influences toxiques ne sont pas couvert par cette norme. Les vêtements de protection destinés au travail intentionnel avec un arc électrique, par exemple soudure l'arc, torche au plasma, ne sont pas couvert par cette norme. Cette deuxième édition annule et remplace la première édition parue en 2007. Cette édition constitue une révision technique qui inclut les modifications techniques majeures suivantes par rapport à l'édition précédente: - nouvelles valeurs moyennes des paramètres de commande énergie d'arc et énergie incidente selon une base de données statistique étendue des valeurs de paramètre mesurées dans quatre laboratoires; - réduction des plages de contrôle de validité des principaux paramètres de commande; - détermination de l'énergie incidente par calcul de la moyenne de deux valeurs de capteur d'un essai (au lieu de considérer chaque valeur unique de capteur); - détermination des courbes thermiques de l'énergie incidente émise et un amendement au critère d'acceptation de flux thermique; - clarification du domaine d'application; - et sélection des classes de protection contre l'arc (classes d'essai) par la quantité d'énergie d'arc et d'énergie incidente à la place du courant de court-circuit.
Delo pod napetostjo - Oblačila za zaščito pred temperaturno nevarnostjo električnega obloka - 1-2. del: Preskusne metode - 2. metoda: Določanje zaščitnega razreda pri obloku za material in oblačila z uporabo omejenega in usmerjenega obloka (preskus v zaboju)(IEC 61482-1-2:2014)
Ta del standarda IEC 61482 določa postopke za preskušanje materiala in oblačil, namenjenih uporabi za zaščito pred vročino in ognjem za delavce v primeru nevarnosti zaradi električnega obloka. Za razvrstitev materiala in oblačil v dva zaščitna razreda pri obloku se uporablja omejen in usmerjen oblok v preskusnem tokokrogu.
Ta mednarodni standard ni namenjen merjenju vrednosti zaščitnega razreda pri obloku (ATPV1, ELIM2 ali EBT3). Postopki za določanje teh vrednosti zaščitnega razreda pri obloku so navedeni v standardu IEC 61482-1-1, v katerem se za preskušanje uporablja odprt oblok.
Drugi učinki razen toplotnih učinkov električnega hrupa, podobnega obločnemu, emisij svetlobe, dviga tlaka, vročega olja, električnega udara, posledic telesnega in duševnega šoka ali strupenih vplivov niso zajeti v tem standardu.
Zaščitna oblačila za opravljanje dela z načrtovano uporabo električnega obloka, npr. obločno varjenje in plazemski gorilniki, niso zajeta v tem standardu.
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.QRVWMRRþDQMHLive working - Protective clothing against the thermal hazards of an electric arc - Part 1-2: Test methods - Method 2: Determination of arc protection class of material and clothing by using a constrained and directed arc (box test)13.340.10Varovalna oblekaProtective clothing13.260Protection against electric shock. Live workingICS:Ta slovenski standard je istoveten z:EN 61482-1-2:2014SIST EN 61482-1-2:2015en01-april-2015SIST EN 61482-1-2:2015SLOVENSKI
STANDARDSIST EN 61482-1-2:20071DGRPHãþD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 61482-1-2
December 2014 ICS 13.220.40; 29.260; 29.260.99
Supersedes
EN 61482-1-2:2007
English Version
Live working - Protective clothing against the thermal hazards of an electric arc - Part 1-2: Test methods - Method 2: Determination of arc protection class of material and clothing by using a constrained and directed arc (box test) (IEC 61482-1-2:2014)
Travaux sous tension - Vêtements de protection contre les dangers thermiques d'un arc électrique - Partie 1-2: Méthodes d'essai - Méthode 2: Détermination de la classe de protection contre l'arc de matériaux et de vêtements au moyen d'un arc dirigé et contraint (enceinte d'essai) (CEI 61482-1-2:2014)
Arbeiten unter Spannung - Schutzkleidung gegen die thermischen Gefahren eines elektrischen Lichtbogens - Teil 1-2: Prüfverfahren - Verfahren 2: Bestimmung der Lichtbogen-Schutzklasse des Materials und der Kleidung unter Verwendung eines gerichteten Prüflichtbogens (Box-Test) (IEC 61482-1-2:2014) This European Standard was approved by CENELEC on 2014-11-13. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17,
B-1000 Brussels © 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 61482-1-2:2014 E SIST EN 61482-1-2:2015
This document supersedes EN 61482-1-2:2007. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 61482-1-2:2014 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 61482-1-1 NOTE Harmonized as EN 61482-1-1. ISO 3175-2 NOTE Harmonized as EN ISO 3175-2. ISO 6330 NOTE Harmonized as EN ISO 6330. ISO 13688:2013 NOTE Harmonized as EN ISO 13688:2013 (not modified). ISO 15797 NOTE Harmonized as EN ISO 15797.
- 3 - EN 61482-1-2:2014 Annex ZA (normative)
Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu.
Publication Year Title EN/HD Year ISO 9151 1995
Protective clothing against heat and flame - Determination of heat transmission on exposure to flame - -
IEC 61482-1-2 Edition 2.0 2014-10 INTERNATIONAL STANDARD NORME INTERNATIONALE Live working – Protective clothing against the thermal hazards of an electric arc –
Part 1-2: Test methods – Method 2: Determination of arc protection class of material and clothing by using a constrained and directed arc (box test)
Travaux sous tension – Vêtements de protection contre les dangers thermiques d'un arc électrique –
Partie 1-2: Méthodes d’essai – Méthode 2: Détermination de la classe de protection contre l’arc de matériaux et de vêtements au moyen d’un arc dirigé et contraint (enceinte d'essai) INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE U ICS 13.220.40, 29.260, 29.260.99
PRICE CODE CODE PRIX ISBN 978-2-8322-1881-5
– 2 – IEC 61482-1-2:2014 © IEC 2014
CONTENTS FOREWORD . 4 1 Scope . 6 2 Normative references . 6 3 Terms, definitions and symbols. 6 3.1 Terms and definitions . 6 3.2 Symbols and units used in this document . 11 4 Principle of the test method . 11 4.1 Material box test procedure . 11 4.2 Garment box test procedure . 11 5 Significance and use of the test method . 12 6 Test apparatus . 12 6.1 Test apparatus and test box . 12 6.2 Material box test procedure . 15 6.2.1 Arrangement of the material box test procedure . 15 6.2.2 Test plate (panel) construction . 16 6.2.3 Sensor construction . 17 6.2.4 Sensor response . 17 6.3 Garment box test procedure . 17 6.3.1 Arrangement of the garment box test procedure . 17 6.3.2 Mannequin construction . 17 6.4 Electric supply and electrodes . 18 6.4.1 Test circuit . 18 6.4.2 Test circuit control . 18 6.4.3 Electrodes . 18 6.4.4 Fuse wire . 18 6.5 Electric test arc characteristics . 19 6.6 Measurement and data acquisition system . 19 7 Operator safety . 19 8 Specimen preparation . 20 8.1 Description of the test specimens . 20 8.1.1 Test specimens for material box test procedure . 20 8.1.2 Test specimens for garment box test procedure . 20 8.2 Pre-treatment by cleaning . 20 8.3 Pre-conditioning of the test specimens . 20 9 Calibration . 20 9.1 Data acquisition system pre-calibration . 20 9.2 Calorimeter calibration check . 20 9.3 Arc exposure calibration . 21 9.4 Calibration of the electric test circuit and testing . 21 9.5 Confirmation of test apparatus setting . 22 9.6 Preparing and conditioning of the box . 22 10 Apparatus care and maintenance . 22 10.1 Surface reconditioning of the sensors . 22 10.2 Care of test plate and mannequin . 23 10.3 Care of electrodes . 23 SIST EN 61482-1-2:2015
IEC 61482-1-2:2014 © IEC 2014 – 3 –
11 Test procedures . 23 11.1 Test parameters . 23 11.2 Number of tests . 23 11.3 Test conditions and initial temperature . 24 11.4 Specimen mounting . 24 11.4.1 Material box test procedure . 24 11.4.2 Garment box test procedure . 24 11.5 Specimen description . 24 12 Interpretation of results . 25 12.1 Heat transfer . 25 12.1.1 Determining time zero . 25 12.1.2 Plotting sensor response . 25 12.1.3 Incident energy Ei . 25 12.1.4 Sensor response versus Stoll curve . 25 12.2 Visual inspection . 25 12.3 Test result. 26 12.3.1 Acceptance criteria of material box test procedure . 26 12.3.2 Acceptance criteria of garment box test procedure . 26 13 Test report . 27 Annex A (informative)
Precision of the test method . 28 Bibliography . 29
Figure 1 – Test box . 14 Figure 2 – Test set-up . 15 Figure 3 – Test plate with sensors
(calorimeters in mounting boards) . 16
Table 1 – Test validity check range of direct exposure incident energy
(permissible direct exposure incident ener
...
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