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UNE 211025 (Construction & tests)

Low Voltage Directive (LVD)
: 2014/35/EU

CPR Regulation (EU) No 305/2011
Reaction to fire (Cca-s1b, d1, a1)

Resistance to fire: PH120
EN 50200, EN 50362, IEC 60331-1 & 2

RoHS compliant

Quality certificate

Certificate icon AENOR certificationCertificate icon CPR compliantCertificate icon CE markingCertificate icon RoHS

Technical characteristics & performances

  • Single-core Propiedad del cable: Single-core
  • Multicore Propiedad del cable: Multicore
  • Bunched conductor (class 5) mm2 Propiedad del cable: Bunched conductor (class 5) mm2
  • Maximum service temperature: 90ºC / 250ºC Propiedad del cable: Maximum service temperature: 90ºC / 250ºC
  • 0,6/1 (1,2) kV C.A Propiedad del cable: 0,6/1 (1,2) kV C.A

Fire performance

  • Fire resistance Propiedad del cable: Fire resistance
  • Cca-s1b,d1,a1 (reaction to fire) Propiedad del cable: Cca-s1b,d1,a1 (reaction to fire)
  • Flame retardant Propiedad del cable: Flame retardant
  • Fire retardant Propiedad del cable: Fire retardant
  • Low heat emission Propiedad del cable: Low heat emission
  • Low production of flaming droplets Propiedad del cable: Low production of flaming droplets
  • Low opacity & production of smoke Propiedad del cable: Low opacity & production of smoke
  • Low acidity & conductivity of the gases: pH<4,3 2,5 µS/mm Propiedad del cable: Low acidity & conductivity of the gases: pH<4,3 2,5 µS/mm
  • Halogen free Propiedad del cable: Halogen free
  • Low emission of toxic gases Propiedad del cable: Low emission of toxic gases

Uses and applications

  • BD2, BD3, BD4 (skyscrapers, tunnels…) Propiedad del cable: BD2, BD3, BD4 (skyscrapers, tunnels…)
  • Safety installations in case of fire Propiedad del cable: Safety installations in case of fire
  • Buildings receiving the public Propiedad del cable: Buildings receiving the public


  • Drum Propiedad del cable: Drum

Functional features

  • Technical designation:
    SZ1-K 0,6/1 kV PH120 (AS+)
  • Constructive description:
    UNE 211025 (Construction and tests)
    Flexible, annealed, plain copper conductor, class 5 based on standard IEC 60228 .
    Special cross-linked, halogen free compound (silicone) insulation.
    In multicore cables, the cores are cabled helically.
    Extruded. Optional for multicore cables. Halogen free thermoplastic material, suitable for the operating temperature of the cable and compatible with the insulating and sheathing material. 
    Extruded polyolefin type ST8 according to International standard IEC 60502-1.

    Identification of cores HD 308 S2:
       2x - brown and blue
       3x - brown, black and gray
       3G - brown, blue and yellow / green
       4x - brown, black, gray, blue
       4G - brown, black, gray, yellow / green
       5G - brown, black, gray, blue, yellow / green
    Range of manufacturation:
    Single core cables - From 1.5 up to 300 mm2.
    Multicore cables (2,3,4 or 5 cores): From 1.5 up to 240 mm2.
  • Rated voltage:
    0.6/1 kV
  • Normal operation temperature:
  • Short-circuit temperature (5 s max):
  • Voltage test:
    3,5 kV
  • Colour:
    Sheath: Orange / Insulation (multicore): According to HD 308 S2, UNE 21089-1
  • Fire performance:
    - Resistance to fire: EN 50200, EN 50362, IEC 60331-1 & 2 (PH120 - At least 120 minutes, 842 ºC)

    - Reaction to fire:  Cca-s1b, d1, a1 (EN 50575:2014+A1:2016)
       • EN 60332-1-2; IEC 60332-1 (H≤425 mm)  Flame retardant
       • EN 50399 (flame source: 20,5 kW) Fs ≤ 2 m  Fire retardant
       • Low heat generation: EN 50399 (flame source: 20,5 kW)
             - Total heat released: THR ≤ 30 MJ
             - Maximum value of the heat released: Peak HRR ≤ 60 kW
             - Indication of heat increase: FIGRA ≤ 300 W/s
       • Low production and opacity of emitted smokes:
             - s1 (EN 50399):
                -Total smoke production: (TSP) ≤ 50 m2
                -Maximum value of smokes released : (Peak SPR) ≤ 0,25 m2/s
             - s1b: s1 and 60% < Transmittance < 80 % (UNE EN 61034-2; IEC 61034-2)
       • Low production of flaming droplets (EN 50399 - flame source:20,5 kW):
             - d1: No flaming droplets/particles persisting longer than 10' occurs within 1200'.
       • Low acidity and conductivity of the emitted gases:
             - a1: pH≥4,3 conductivity < 2,5 ?S/mm (EN 60754-2; IEC 60754-2)

    For covered range (+ information), please check out "CPR/DoP" section in our website.
    *The packaging labels of these cables include the CE marking according to the CPR Regulation ((UE) Nº 305/2011) articles 8 and 9.

    Other performances:
    - Fire retardant: UNE EN 60332-3-24 / IEC 60332-3-24 (cat.C)
    Halogen free. Low emission of toxic gases: UNE EN 60754-1 / IEC 60754-1
  • Type of installation:
  • User´s guide:
    Adequate for non autonomous security circuits and service circuits with a centralised autonomous source (alarm circuits, signalling and emergency lighting systems, acoustic signalling, smoke extractors, water pumps for fire extinction).
    These cables are recommended for all those installations in which it is necessary to keep the integrity of the circuits and equipment although they are affected directly by the fire.

    It is specially indicated their use in public concurrence places (airports, museums, malls and shopping centres, schools, hospitals, cinemas, hotels, sports stadiums...), and in general, whenever an important fire risk exists or it´s required a low smoke emission and corrosive gazes in case of fire (i.e.: Railway and roadway tunnels, canalisations with bunched cables, vertical canalisations in buildings,…).
  • Technical instructions:
  • Conductor:
  • Halogen free:
  • Armoured cable:


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