Cookies
We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
IEC 60684-3-340-ed.2.0
Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheets 340 to 342: Expandable braided polyethylene terephthalate textile sleeving
STANDARD published on 29.4.2003
The information about the standard:
Designation standards: IEC 60684-3-340-ed.2.0
Publication date standards: 29.4.2003
SKU: NS-410980
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60684-3-340-ed.2.0 :
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. Donne les prescriptions relatives aux gaines ayant comme propriete dagrandir leur diametre interieur quand elles sont compressees longitudi-nalement, pour revenir ensuite a leur diametre initial apres suppression de la force de compression. Elles sont faites de fibres monofilamentaires de terephtalate de polyethylene traitees de maniere a assurer les aptitudes mecaniques au comportement exposees ci-dessus. Ces gaines ont ete considerees comme adaptees a des temperatures allant jusqua 130 °C. Du fait de leur constitution aeree, ces gaines sont normalement utilisees pour assurer une isolation par epaisseur dair. Par suite, cette norme ne specifie pas dexigence pour la tension de claquage. (Il convient que toute valeur interessant cette propriete soit indiquee dans le contrat dachat, la valeur type etant de 1,5 kV/mm depaisseur de paroi, bien quun rapport lineaire ne puisse etre assure). Toutefois, ces gaines servent a procurer une protection mecanique a des composants de circuits, comme les conducteurs, les gaines et les cables en nappe autour desquels ces gaines sont montees comme un enveloppement ou filet de maintien. Les materiaux conformes a cette norme satisfont aux niveaux de performance etablis. Cependant, il convient que la selection dun materiau par un utilisateur pour une application particuliere soit basee sur les caracteristiques reelles necessaires pour atteindre les performances appropriees dans cette application et pas uniquement basee sur la presente norme. Cette deuxieme edition a ete alignee afin de tenir compte des changements effectues dans la deuxieme edition de la CEI 60684-2, Methode dessai, et fournit une liste plus complete de resistance aux fluides dessai.
We recommend:
Technical standards updating
Do you want to make sure you use only the valid technical standards?
We can offer you a solution which will provide you a monthly overview concerning the updating of standards which you use.
Would you like to know more? Look at this page.
