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    LU Section 12 Fire Integrity Cables

    Application

    The cables are designed for installation typically in public help points (PHP), public address (PA), station announcement platforms (SAP) & CCTV camera power systems. The LSZH cables has been designed to provide superior flame retardance and circuit integrity, together with optimized ease of installation characteristics and complies with LU Section 12 station regulations.

    Standard

    • BS 7629-1/ 5839-1: 2002/ 8434-1: 2003/6387 C W Z
    • BS EN 50200 (PH90)
    • UNE 211025

    Cable Construction

    • Electrical Characteristics at 20℃Conductors: Class 1 solid or Class 2 stranded annealed bare copper conductors to BS EN 60228: 2005 (previously BS 6360).
    • Insulation: Silicone rubber insulation.
    • Core Wrapping: Plastic tape(s) with overlapping.
    • Screen: Aluminium/Polyester tape.
    • Drain Wire: Tinned copper.
    • Sheath: High performance, thermoplastic LSZH.
    Nominal Conductor Cross Section mm^2 1.0 1.5 2.5
    Maximum Conductor DC Resistance Ω/km 18.1 12.1 7.41
    Nominal Insulation Thickness mm 0.6 0.7 0.8
    Voltage Rating KV 0.3/0.5

    Mechanical and Thermal Properties

    • Minimum Bending Radius: 6×OD
    • Temperature Range: -40℃ to +90℃ (during operation); -10℃ to +70℃ (during installation)

    Dimensions and Weight

    Cable Code No. of cores&
    Nominal
    Conductor Cross
    Sectional Area
    No.×mm^2
    Conductor Diameter Nominal
    Sheath
    Thickness
    mm
    Nominal
    Overall
    Diameter
    mm
    Nominal
    Weight
    kg/km
    Stranded
    Conductor
    No/mm
    Solid
    Conductor
    mm
    RFLU12-SOZ1-U-PH90(AS+)-300/500V-2G1 2×1.0 7/0.44 1.13 1.3 7.0 83
    RFLU12-SOZ1-U-PH90(AS+)-300/500V-3G1 3×1.0 7/0.44 1.13 1.3 7.3 95
    RFLU12-SOZ1-U-PH90(AS+)-300/500V-4G1 4×1.0 7/0.44 1.13 1.3 8.2 115
    RFLU12-SOZ1-U-PH90(AS+)-300/500V-7G1 7×1.0 7/0.44 1.13 1.3 10.5 175
    RFLU12-SOZ1-U-PH90(AS+)-300/500V-2G1.5 2×1.5 7/0.53 1.38 1.4 7.9 110
    RFLU12-SOZ1-U-PH90(AS+)-300/500V-3G1.5 3×1.5 7/0.53 1.38 1.4 8.3 128
    RFLU12-SOZ1-U-PH90(AS+)-300/500V-4G1.5 4×1.5 7/0.53 1.38 1.4 9.5 160
    RFLU12-SOZ1-U-PH90(AS+)-300/500V-7G1.5 7×1.5 7/0.53 1.38 1.4 12.2 250
    RFLU12-SOZ1-U-PH90(AS+)-300/500V-2G2.5 2×2.5 7/0.67 1.78 1.5 9.3 160
    RFLU12-SOZ1-U-PH90(AS+)-300/500V-3G2.5 3×2.5 7/0.67 1.78 1.5 9.9 190
    RFLU12-SOZ1-U-PH90(AS+)-300/500V-4G2.5 4×2.5 7/0.67 1.78 1.5 11.3 235

    U is changed to K if the stranding class is changed from class 2 to class 5

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