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    SXCAV & SXCAG Signalling Cables

    Application

    The cables are designed for connection between switching centers and equipment shelters along the trackside. The cables are used as main signalling cables specially designed to give good induction protection (R.F=0.24 at inductive voltage 170 V/km) and are suitable for installation in intercity railways electrifi ed at 25KV ac..

    Standard

    • SXCAV SXCAG Specification
    • Fire performance: EN 50266-2-4 C

    Cable Construction

    • Electrical Characteristics at 20℃Conductors: Class 1 solid bare copper conductor.
    • Insulation: Coloured cross-linked PE insulation.
    • Cabling Element: Each two conductors are twisted together to form a pair.
    • Stranding: Pairs are helically stranded in layers to form the cable core.
    • Core Wrapping: Plastic tape(s) with overlapping.
    • Inner Sheath: PE sheath.
    • Electrostatic Shield: One corrugated copper tape.
    • Intermediate Sheath: PE sheath.
    • Electromagnetic Shield: Two helically applied steel tapes.
    • Outer Sheath: Black unleaded PVC (SXCAV) or green halogen free (SXCAG) sheath.
    Nominal Conductor Diameter mm 1.38
    Nominal Cross Section Area mm 1.5
    Maximum Conductor Resistance (DC) Ω/km 12.3
    Minimum Insulation Resistance @500 V DC (3mins) MΩ.km 10000
    Maximum Mutual Capacitance @1000Hz (AC) nF/km 60
    Maximum Reduction Factor @170V/km 50Hz   0.24
    Operating Voltage V 1000

    Mechanical and Thermal Properties

    • Minimum Bending Radius: 10×OD
    • Temperature Range: -25℃ to +90℃ (during operation); -10℃ to +90℃ (during installation)

    Dimensions and Weight

    SXCAV Cables

    Cable Code Number of
    Pairs
    Nominal Sheath Thickness
    mm
    Nominal Overall
    Diameter
    mm
    Nominal Weight
    kg/km
    Inner Inter. Outer
    1.38mm Conductor, 2.38mm Insulated Wire
    RS/SXCAV-2Y2Y(K)2YBY-1P1.5S 1 1.0 0.8 1.6 16.9 513
    RS/SXCAV-2Y2Y(K)2YBY-4P1.5S 4 1.0 0.8 1.6 23.1 826
    RS/SXCAV-2Y2Y(K)2YBY-7P1.5S 7 1.0 0.8 1.7 26.1 1060
    RS/SXCAV-2Y2Y(K)2YBY-14P1.5S 14 1.2 0.8 1.8 32.3 1571
    RS/SXCAV-2Y2Y(K)2YBY-24P1.5S 24 1.2 1.1 2.0 38.3 2199
    RS/SXCAV-2Y2Y(K)2YBY-30P1.5S 30 1.2 1.1 2.2 42.8 2555

    SXCAG Cables

    Cable Code Number of
    Pairs
    Nominal Sheath Thickness
    mm
    Nominal Overall
    Diameter
    mm
    Nominal Weight
    kg/km
    Inner Inter. Outer
    1.38mm Conductor, 2.38mm Insulated Wire
    RS/SXCAG-2Y2Y(K)2YBH-1P1.5S 1 1.0 0.8 1.6 16.9 515
    RS/SXCAG-2Y2Y(K)2YBH-4P1.5S 4 1.0 0.8 1.6 23.1 855
    RS/SXCAG-2Y2Y(K)2YBH-7P1.5S 7 1.0 0.8 1.7 26.1 1095
    RS/SXCAG-2Y2Y(K)2YBH-14P1.5S 14 1.2 0.8 1.8 32.3 1616
    RS/SXCAG-2Y2Y(K)2YBH-24P1.5S 24 1.2 1.1 2.0 38.3 2260
    RS/SXCAG-2Y2Y(K)2YBH-30P1.5S 30 1.2 1.1 2.2 42.8 2625

     

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