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prEN IEC 60684-3-281:2021

Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheet 281: Heat-shrinkable, polyolefin sleeving, semiconductive

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IEC 60684-3-281 ED2; prEN IEC 60684-3-281:2021
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Nimetus
04.11.2010
Põhitekst
This part of IEC 60684 gives the requirements for two types of heat-shrinkable, polyolefin sleeving, semiconductive, with a nominal shrink ratio of 3:1. This sleeving has been found suitable up to temperatures of 100 °C. - Type A: Thin wall Internal diameter up to 195,0 mm typically - Type B: Medium wall Internal diameter up to 120,0 mm typically This sleeving is normally supplied in the colour black. Since these types of sleevings cover a significantly large range of sizes and wall thicknesses, Annex A in this standard provides guidance to the range of sizes available. The actual size will be agreed between the user and the supplier. Materials which conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application need to be based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. This sleeving is designed to be used in MV cable accessories and as such electrical performance will be proven as part of the assembly. Examples of this are described in HD 629 and IEC 60502 (all parts)
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