EN 50264-2-2:2008

Railway applications - Railway rolling stock power and control cables having special fire performance - Part 2-2: Cables with crosslinked elastomeric insulation - Multicore cables EN 50264-2-2:2008

Publication date:   Sep 5, 2008

General information

90.93 Standard confirmed   Sep 29, 2021

CENELEC

CLC/TC 20 Electric cables

European Norm

13.220.20   Fire protection | 29.060.20   Cables | 45.060.01   Railway rolling stock in general

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Scope

EN 50264-2-2 specifies requirements for, and constructions and dimensions of, multicore cables of the following types and voltage ratings: • 300/500 V screened or unscreened (1 mm², 1,5 mm² and 2,5 mm², number of cores from 2 to 40); • 0,6/1 kV screened or unscreened (1,5 mm² to 50 mm², 2, 3 and 4 cores). NOTE Not all conductor sizes or number of cores are specified for every type. 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 50264-2-2 should be read in conjunction with Part 1 “General requirements”.

Life cycle

PREVIOUSLY

WITHDRAWN
EN 50264-3:2002

NOW

PUBLISHED
EN 50264-2-2:2008
90.93 Standard confirmed
Sep 29, 2021