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Reference IEC 61482-1-2 ed1.0 withdrawn corrigendum

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Title Versión Oficial en Español - Trabajos en tensión. Ropa de protección contra los peligros térmicos de un arco eléctrico. Parte 1-2: Métodos de ensayo. Método 2: Determinación de la clase de protección contra el arco de los materiales y la ropa por medio de un arco dirigido y constreñ
Publication date 2007-01-23
Format, price
(Swiss francs)
and language
170.- 55 pages
170.- 307 Kb
 
Abstract This part of IEC 61482 specifies methods to test material and garments intended for use in heat- and flame-resistant clothing for workers exposed to electric arcs. In contrast to the test methods in IEC 61482-1-1 a directed and constrained electric arc in a low voltage circuit is used to classify material and clothing in defined arc protection classes. The test methods specified in this document are aimed at rendering a decision whether arc thermal protection is met under defined conditions. Two protection classes are tested. Protection class 1 and protection class 2 are safety requirements covering actual risk potentials due to electric fault arcs. The test methods are not directed toward measuring the arc thermal performance value (ATPV). Methods determining the ATPV are prescribed in IEC 61482-1-1. This standard specifies tests with which it is possible to evaluate materials and protective clothing based on the use of a directed and constrained electric arc under defined laboratory conditions (box-test). A practical scenario concerning test set-up and test conditions, electrical and constructional parameters is selected. For the tests a low voltage procedure is used. The tests can optionally be carried out in two fixed test classes, selected by the amount of prospective short circuit current: Class 1: 4 kA; Class 2: 7 kA. The defined duration of the electric arc is 500 ms in both test classes. Materials and clothing will be tested with two methods: the material box test method and the garment box test method. The material box test method is used to measure and find material response to an arc exposure when tested in a flat configuration. A quantitative measurement of the arc thermal performance is made by means of the energy transmitted through the material. The garment box test method is used to test the function of the protective clothing after an arc exposure, including all the garment findings, sewing tread, fastenings and other accessories; no heat flux will be measured. Testing refers to the thermal arc effects; it does not apply to other effects like noise, light emissions, pressure rise, hot oil, electric shock, the consequences of physical and mental shock or toxic influences.
Technical Committee 78 - Live working  RSS
ICS Codes
13.220.40 Ignitability and burning behaviour of materials and products

29.260 Electrical equipment for working in special conditions

29.260.99 Other electrical equipment for working in special conditions
 
Replaced by
Stability date 2014
 
Work in progress
ProjectStage codeForecast publication date
IEC 61482-1-2 Ed.2  BPUB2014-10-20


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