SK EN 50264-2-1:2011

Zbatimet hekurudhore -Kabllot e fuqisë dhe të kontrollit te vagonëve hekurudhore që kanë një performancë te veçantë ndaj zjarri -Pjesa 2 -1 : Kabllot me izolim elastomerik të rrjetëzuar Kabllot një dejësh

Railway applications - Railway rolling stock power and control cables having special fire performance - Part 2-1: Cables with crosslinked elastomeric insulation - Single core cables

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EN 50264-2-1 specifies requirements for, and constructions and dimensions of, single core cables of the following types and voltage ratings: • 0,6/1 kV unscreened, unsheathed (1 mm² to 400 mm²); • 1,8/3 kV unscreened, unsheathed (1,5 mm² to 400 mm²); • 1,8/3 kV unscreened, sheathed (1,5 mm² to 400 mm²); • 3,6/6 kV unscreened, sheathed (2,5 mm² to 400 mm²). All cables have class 5 tinned copper conductors to EN 60228, halogen-free insulation and halogen-free sheath. They are for use in railway rolling stock as fixed wiring, or wiring where limited flexing in operation is encountered. The requirements provide for a continuous conductor temperature not exceeding 90 °C and a maximum temperature for short circuit conditions of 200 °C based on a duration of 5 s. Under fire conditions the cables exhibit special performance characteristics in respect of maximum permissible flame propagation (flame spread) and maximum permissible emission of smoke and toxic gases. EN 50264-2-1 should be read in conjunction with Part 1 “General requirements”.