Norm

NEN 10721-3-9:1994 en;fr

Indeling van omgevingsomstandigheden van elektrotechnische produkten - Deel 3: Indeling in groepen van omgevingsparameters en hun gradaties - Sectie 9: Microklimaat in produkt

Volledig inclusief:

37,39

Over deze norm

Status Definitief
Aantal pagina's 21
Gepubliceerd op 01-04-1994
Taal Engels, Frans
This section of IEC 721-3 defines classes of microclimatic conditions, to which components (basic parts, assemblies, built-in units) may be subjected inside products, which are used under the climatic conditions as classified in sections IEC 721-3-3 and IEC 721-3-4. Characteristic parameters for the microclimates are high air temperature and high relative air humidity. Further parameters of the climatic classes e.g. low temperature may effect the components additionally, but have not been considered here. A limited number of microclimatic classes is specified taking into consideration typical limiting high air temperatures of components. The user of this standard should select the lowest class necessary for covering the intended use.

Details

ICS-code 19.040
Nederlandse titel Indeling van omgevingsomstandigheden van elektrotechnische produkten - Deel 3: Indeling in groepen van omgevingsparameters en hun gradaties - Sectie 9: Microklimaat in produkt
Engelse titel Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 9: Microclimates inside products
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