DS/EN 50525-3-21:2011
Electric cables - Low voltage energy cables of rated voltages up to and including 450/750 V (U0/U) - Part 3-21: Cables with special fire performance - Flexible cables with halogen-free crosslinked insulation, and low emission of smoke

Standard No.
DS/EN 50525-3-21:2011
Release Date
2011
Published By
Danish Standards Foundation
Latest
DS/EN 50525-3-21:2011
Replace
DS/HD 22.13 S2-2007
Scope
EN 50525-3-21 applies to flexible cables, insulated and sheathed with halogen-free crosslinked compound and having low emission of smoke and corrosive gases when exposed to fire.NOTE 1 Low emission of smoke is checked in accordance with EN 61034-2. Low emission of corrosive gases is checked as part of the check for absence of halogens (see Annex B of EN 50525-1).The cables are of rated voltage U0/U 450/750 V.The cables are intended for the connection of equipment and machinery to the fixed supply.The maximum conductor operating temperature for each of the cables in this standard is 90 °C.NOTE 2 HD 516 contains extensive guidance on the safe use of cables in

DS/EN 50525-3-21:2011 history

  • 2011 DS/EN 50525-3-21:2011 Electric cables - Low voltage energy cables of rated voltages up to and including 450/750 V (U0/U) - Part 3-21: Cables with special fire performance - Flexible cables with halogen-free crosslinked insulation, and low emission of smoke
Electric cables - Low voltage energy cables of rated voltages up to and including 450/750 V (U0/U) - Part 3-21: Cables with special fire performance - Flexible cables with halogen-free crosslinked insulation, and low emission of smoke



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