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    300/500V Mica+XLPE Insulated, LSZH Sheathed Power Cables to BS 7211 (Single Core)

    FFX300 05mRZ1-U (CU/MGT+XLPE/LSZH 300/500V Class 1)

    • FFX300 05mRZ1-U
    • Caledonian Fire Resistant Power Cables

    APPLICATION

    The cables are mainly used in power stations, mass transit underground passenger systems, airports, petrochemical plants, hotels, hospitals and high-rise buildings.

    STANDARDS

    Basic design adapted from BS 7211:2012

    FIRE PERFORMANCE

    Circuit Integrity IEC 60331-21; BS 6387
    Flame Retardance (Single vertical wire or cable test) IEC 60332-1-2; EN 60332-1-2
    Reduced Fire Propagation (Vertically-mounted bundled wires & cables test) IEC 60332-3-24; EN 60332-3-24
    Halogen free IEC 60754-1; EN 50267-2-1
    No Corrosive Gas Emission IEC60754-2; EN 50267-2-2
    Minimum Smoke Emission IEC 61034-2; EN 61034-2

    VOLTAGE RATING

    300/500V

    CABLE CONSTRUCTION

    Conductor : Annealed copper conductor, solid according to BS EN 60228 class 1.

    Fire Barrier : Mica glass tape.

    Insulation : XLPE type GP 8 according to BS 7655-1.3. Crosslinked polyolefin material type EI 5 according to EN 50363-5 can be offered as option.

    CPC (Circuit Protective Conductor) : Uninsulated copper conductor.

    Outer Sheath : Extruded LSZH type LTS 2 according to BS 7655-6.1.

    Outer Sheath Option : UV resistance, hydrocarbon resistance, oil resistance, anti-rodent and anti-termite properties can be offered as option.

    COLOUR CODE

    Insulation Colour : Brown or blue.

    Sheath Colou r: White; other colours can be offered upon request.

    PHYSICAL AND THERMAL PROPERTIES

    Maximum temperature range during operation : 90°C

    Maximum short circuit temperature (5 Seconds) : 250°C

    Minimum bending radius : 4 x Overall Diameter

    CONSTRUCTION PARAMETERS

    Conductor FFX300 05mRZ1-U
    No. of Cores × Cross-sectional Area Conductor Class Nominal Insulation Thickness Crosssectional Area of CPC Class of CPC Nominal Sheath Thickness Min. Overall Dimensions Max. Overall Dimensions Approx. Weight
    No.×mm²   mm mm²   mm mm mm kg/km
    1×1.0 1 0.70 1.0 1 0.9 5.1x6.2 6.0x7.3 66
    1×1.5 1 0.70 1.0 1 0.9 5.4x6.4 6.3x7.6 74

    ELECTRICAL PROPERTIES

    Conductor operating temperature : 90°C

    Ambient temperature : 30°C

    Current-Carrying Capacities (Amp) according to BS 7671:2008 table 4E1A

    Conductor cross-sectional area Ref. Method A (enclosed in conduit in thermally insulating wall etc.) Ref. Method B (enclosed in conduit on a wall or in trunking etc.) Ref. Method C (clipped direct)
    2 cables, single-phase a.c. or d.c. 3 or 4 cables, three-phase a.c. 2 cables, single-phase a.c. or d.c 3 or 4 cables, three-phase a.c. 2 cables, single-phase a.c. or d.c. flat and touching 3 or 4 cables, three-phase a.c. flat and touching or trefoil
    1 2 3 4 5 6 7
    mm² A A A A A A
    1.0 14 13 17 15 19 17.5
    1.5 19 17 23 20 25 23

    Voltage Drop (Per Amp Per Meter) according to BS 7671:2008 table 4E1B

    Conductor cross-sectional area 2 cables d.c. 2 cables, single-phase a.c. 3 or 4 cables, three-phase a.c.
    Ref. Methods A&B (enclosed in conduit or trunking) Ref. Methods C, F&G (clipped direct, on trays or in free air) Ref. Methods A&B (enclosed in conduit or trunking) Ref. Methods C, F&G (clipped direct, on trays or in free air)
    Cables touching Cables spaced* Cables touching, Trefoil Cables touching, flat Cables spaced*, flat
    1 2 3 4 5 6 7 8 9
    mm² mV/A/m mV/A/m mV/A/m mV/A/m mV/A/m mV/A/m mV/A/m mV/A/m
    1.0 46 46 46 46 40 40 40 40
    1.5 31 31 31 31 27 27 27 27

    Note: *Spacings larger than one cable diameter will result in a large voltage drop.

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