Norm

NEN-EN-IEC 60684-3-340 to 342:2003 en;fr

Soepele isolatiekous - Deel 3: Producttype-eisen - Blad 340 tot 342: Uittrekbare gevlochten polyethyleen terepthalaat textielkous

29,08

Over deze norm

Status Definitief
Aantal pagina's 17
Commissie Isolatiesystemen
Gepubliceerd op 01-08-2003
Taal Engels, Frans
Gives the requirements for sleeving having the property of expanding its internal diameter when compressed longitudinally and thereafter returning to its initial diameter after release of the compressing force. It is constructed of polyethylene terephthalate monofilament yarns suitably processed to provide the mechanical ability to conform in the manner described above. These sleevings have been found suitable for use at temperatures up to 130 °C. Because of its open construction, this sleeving is normally used to provide air-space insulation. Therefore, no requirement for breakdown voltage is specified in this standard. (Any value for this property should be given in the purchase contract, but a typical value is 1,5 kV/mm wall thickness, although a linear relationship cannot be assumed.) However, it serves to provide mechanical protection to circuit components such as wires, sleeves, and flat cable over which it is applied as a containing wrap or harness. Materials which conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application should be based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. This second edition has been aligned to reflect the changes made to the 2nd edition of IEC 60684-2, Test methods, and provides a more comprehensive list of resistance to test fluids.

Details

ICS-code 29.035.20
Nederlandse titel Soepele isolatiekous - Deel 3: Producttype-eisen - Blad 340 tot 342: Uittrekbare gevlochten polyethyleen terepthalaat textielkous
Engelse titel Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheets 340 to 342: Expandable braided polyethylene terephthalate textile sleeving
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