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    600/1000V XLPE Insulated, LSZH Sheathed, Armoured Power Cables to BS 6724 (2-5 Cores)

    FTX400 1RZ1MZ1-R (CU/XLPE/LSZH/SWA/LSZH 600/1000V Class 2)

    APPLICATION

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

    STANDARDS

    Basic design to BS 6724

    FIRE PERFORMANCE

    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 IEC 60754-2; EN 50267-2-2
    Minimum Smoke Emission IEC 61034-2; EN 61034-2

    VOLTAGE RATING

    600/1000V

    CABLE CONSTRUCTION

    Conductor : Annealed copper wire, stranded according to BS EN 60228 class 2.

    Insulation : XLPE type GP8 according to BS 7655-1.3. HEPR type GP6 according to BS 7655-1.2 or crosslinked polyolefin material type EI 5 according to BS EN 50363-5 can be offered as option.

    Bedding : Extruded layer of polymeric material.

    Armouring : Aluminium wire.

    Outer Sheath : Extruded layer of polymeric material LTS 1 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 :

    2-core : Brown and blue.

    3-core : Brown, black and grey.

    4-core : Blue, brown, black and grey.

    5-core : Green and yellow, blue, brown, black, grey.

    Sheath Colour : Black; 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 :

    circular copper conductors : 6 × Overall Diameter

    shaped copper conductors : 8 × Overall Diameter

    CONSTRUCTION PARAMETERS

    Conductor FTX400 1RZ1MZ1-R
    No. of Cores × Cross-sectional Area Conductor Class Nominal Insulation Thickness Nominal Bedding Thickness Nominal Steel Wire Armour Diameter Nominal Sheath Thickness Approx. Overall Diameter Approx. Weight
    No.×mm²   mm mm mm mm mm kg/km
    2 Cores
    2×1.5a 2 0.6 0.8 0.9 1.3 12.1 294
    2×2.5a 2 0.7 0.8 0.9 1.4 13.6 354
    2×4a 2 0.7 0.8 0.9 1.4 14.7 420
    2×6a 2 0.7 0.8 0.9 1.4 15.9 497
    2×10a 2 0.7 0.8 0.9 1.5 18.0 650
    2×16a 2 0.7 0.8 1.25 1.5 20.4 964
    2×25a 2 0.9 0.8 1.25 1.6 24.1 1314
    2×25b 2 0.9 0.8 1.25 1.6 20.4 1254
    2×35a 2 0.9 1.0 1.6 1.7 27.7 1832
    2×35b 2 0.9 1.0 1.6 1.7 23.3 1736
    2×50b 2 1.0 1.0 1.6 1.8 25.8 2261
    2×70b 2 1.1 1.0 1.6 1.9 29.0 2922
    2×95b 2 1.1 1.2 2.0 2.0 33.1 4029
    2×120b 2 1.2 1.2 2.0 2.1 36.1 4796
    2×150b 2 1.4 1.2 2.0 2.2 39.3 5646
    2×185b 2 1.6 1.4 2.5 2.4 44.7 7365
    2×240b 2 1.7 1.4 2.5 2.5 49.0 9027
    2×300b 2 1.8 1.6 2.5 2.6 53.5 10832
    2×400b 2 2.0 1.6 2.5 2.8 59.0 13216
    3 cores
    3×1.5a 2 0.6 0.8 0.9 1.3 12.6 320
    3×2.5a 2 0.7 0.8 0.9 1.4 14.1 401
    3×4a 2 0.7 0.8 0.9 1.4 15.3 487
    3×6a 2 0.7 0.8 0.9 1.4 16.6 588
    3×10a 2 0.7 0.8 1.25 1.5 19.5 906
    3×16a 2 0.7 0.8 1.25 1.6 21.6 1190
    3×25a 2 0.9 1.0 1.6 1.7 26.7 1858
    3×25b 2 0.9 1.0 1.6 1.7 23.6 1755
    3×35a 2 0.9 1.0 1.6 1.8 29.4 2298
    3×35b 2 0.9 1.0 1.6 1.8 25.7 2154
    3×50b 2 1.0 1.0 1.6 1.8 28.5 2858
    3×70b 2 1.1 1.0 1.6 1.9 32.2 3761
    3×95b 2 1.1 1.2 2.0 2.1 37.0 5204
    3×120b 2 1.2 1.2 2.0 2.2 40.4 6258
    3×150b 2 1.4 1.4 2.5 2.3 45.5 7989
    3×185b 2 1.6 1.4 2.5 2.4 49.8 9586
    3×240b 2 1.7 1.4 2.5 2.6 55.1 11930
    3×300b 2 1.8 1.6 2.5 2.7 60.2 14427
    3×400b 2 2.0 1.6 2.5 2.9 66.6 17765
    4 cores
    4×1.5a 2 0.6 0.8 0.9 1.3 13.3 388
    4×2.5a 2 0.7 0.8 0.9 1.4 15.0 460
    4×4a 2 0.7 0.8 0.9 1.4 16.4 566
    4×6a 2 0.7 0.8 1.25 1.5 18.7 813
    4×10a 2 0.7 0.8 1.25 1.5 21.1 1073
    4×16a 2 0.7 0.8 1.25 1.6 23.4 1431
    4×25a 2 0.9 1.0 1.6 1.7 28.9 2239
    4×25b 2 0.9 1.0 1.6 1.7 26.1 2102
    4×35a 2 0.9 1.0 1.6 1.8 31.9 2797
    4×35b 2 0.9 1.0 1.6 1.8 28.6 2606
    4×50b 2 1.0 1.0 1.6 1.9 32.0 3530
    4×70b 2 1.1 1.2 2.0 2.1 37.7 5074
    4×95b 2 1.1 1.2 2.0 2.2 41.7 6474
    4×120b 2 1.2 1.4 2.5 2.3 47.1 8390
    4×150b 2 1.4 1.4 2.5 2.4 51.4 9947
    4×185b 2 1.6 1.4 2.5 2.6 56.6 12096
    4×240b 2 1.7 1.6 2.5 2.7 63.0 15109
    4×300b 2 1.8 1.6 2.5 2.9 68.8 18276
    4×400b 2 2.0 1.8 3.15 3.2 78.1 23849
    5 cores
    5×1.5a 2 0.6 0.8 0.9 1.4 14.3 413
    5×2.5a 2 0.7 0.8 0.9 1.4 16.1 521
    5×4a 2 0.7 0.8 0.9 1.5 17.8 658
    5×6a 2 0.7 0.8 1.25 1.5 20 932
    5×10a 2 0.7 0.8 1.25 1.6 22.9 1258
    5×16a 2 0.7 1.0 1.6 1.7 26.6 1893
    5×25a 2 0.9 1.0 1.6 1.8 31.5 2646
    5×35a 2 0.9 1.0 1.6 1.9 34.8 3326
    5×50a 2 1.0 1.2 2 2 40.4 4567
    5×70a 2 1.1 1.2 2 2.2 46.3 6056

    a Circular or compacted circular stranded conductors (class 2).

    b Shaped stranded conductor (class 2).

    ELECTRICAL PROPERTIES

    Conductor operating temperature : 90°C

    Air ambient temperature : 30°C

    Ground ambient temperature : 20°C

    Current-Carrying Capacities (Amp) according to BS 7671:2008 table 4E4A

    Conductor cross-ectional area Ref. Method C (clipped direct) Ref. Method E (in free air or on a perforated cable tray etc. horizontal or vertical) Ref. Method D (direct in in groud or in ducting in groud. in or around buildings)
    1 two-core cable, single-phase a.c. or d.c. 1 three- or four-core cable, three-phase a.c. 1 two-core cable, single-phase a.c. or d.c. 1 three- or four-core cable, three-phase a.c. 1 two-core cable, single-phase a.c. or d.c. 1 three- or four-core cable, three-phase a.c.
    1 2 3 4 5 6 7
    mm² A A A A A A
    1.5 27 23 29 25 25 21
    2.5 36 31 39 33 33 28
    4 49 42 52 44 43 36
    6 62 53 66 56 53 44
    10 85 73 90 78 71 58
    16 110 94 115 99 91 75
    25 146 124 152 131 116 96
    35 180 154 188 162 139 115
    50 219 187 228 197 164 135
    70 279 238 291 251 203 167
    95 338 289 354 304 239 197
    120 392 335 410 353 271 223
    150 451 386 472 406 306 251
    185 515 441 539 463 343 281
    240 607 520 636 546 395 324
    300 698 599 732 628 446 365
    400 787 673 847 728 - -

    Voltage Drop (Per Amp Per Meter) according to BS 7671:2008 table 4E4B

    Conductor cross-sectional area Two-core cable, d.c. Two-core cable, single-phase a.c. Three- or four-core cable, three-phase a.c.
    1 2 3 4
    mm² mV/A/m mV/A/m mV/A/m
    1.5 31 31 27
    2.5 19 19 16
    4 12 12 10
    6 7.9 7.9 6.8
    10 4.7 4.7 4.0
    16 2.9 2.9 2.5
        r x z r x z
    25 1.85 1.85 0.160 1.90 1.60 0.140 1.65
    35 1.35 1.35 0.155 1.35 1.15 0.135 1.15
    50 0.98 0.99 0.155 1.00 0.86 0.135 0.87
    70 0.67 0.67 0.150 0.69 0.59 0.130 0.60
    95 0.49 0.50 0.150 0.52 0.43 0.130 0.45
    120 0.39 0.40 0.145 0.42 0.34 0.130 0.37
    150 0.31 0.32 0.145 0.35 0.38 0.125 0.30
    185 0.25 0.26 0.145 0.29 0.22 0.125 0.26
    240 0.195 0.200 0.140 0.24 0.175 0.125 0.21
    300 0.155 0.160 0.140 0.21 0.140 0.120 0.185
    400 0.120 0.130 0.140 0.190 0.115 0.120 0.165

    Note :

    r = conductor resistance at operating temperature

    x = reactance

    z = impedance

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