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← Back to BS 7846 Fire Resistant Armoured LSZH Power Cable
Cable Specification Sheet BS 7846 · Rev 01 · 2026-06

BS 7846 fire resistant power cable · 5C 4 mm²

Ordering reference  BS 7846 fire resistant power cable · 5C 4 mm²

BS 7846 BS 7846 fire resistant power cable

Application

Emergency power · Life safety systems · Fire pumps · Critical infrastructure

123456
Indicative 5-core construction — copper conductor, not to scale

Construction

  1. 1
    Conductor (per core)Copper conductor · 7 × Ø0.85 mm · IEC 60228 cl.2
  2. 2
    Core insulationMica fire barrier with XLPE insulation
  3. 3
    FillerPP filler
  4. 4
    BeddingPVC bedding
  5. 5
    ArmourGalvanised steel wire armour (SWA)
  6. 6
    SheathLSZH

Technical parameters

Core layout5C
Conductor size4 mm²
ConductorCopper conductor
Max DC resistance at 20 °C4.61 Ω/km
OD guide31 mm
Operating temperature−15 °C to +90 °C (fire-rated)
Cable weight0.72 kg/m
Bend radius12 x OD during installation
Outer sheathLSZH
Current rating (guide)≈ 40 A (Cu, multicore clipped, 30 °C — IEC 60364-5-52 guide)
Routine test voltage3.5 kV a.c. 5 min

Ratings & materials

StandardBS 7846
Voltage class0.6/1 kV
UE Cable · China sales@uecable.com

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