ACADEMIA DO CONHECIMENTO

ARMOUR RESISTANCE

    Armour Resistance Lead Cable BS6480 Conductor, Lead sheath, Armour resistance, and percentage conductivity of 2,3 and 4 core cables complying with BS6480 (Copper conductors). 600/1000 Volts grade - Resistance Values

    Maximum resistance (ohms) per 1000 metres of cable at 20°C
    Nominal area of conductorCopper conductorTwo coreThree coreFour core
    LeadArmourLeadArmourLeadArmour
    mm²
    250,7273,862,113,421,942,751,72
    350,5243,451,942,791,762,431,57
    500,3872,861,802,321,612,021,13
    700,2682,321,282,031,161,631,01
    950,1931,911,161,671,031,340,90
    1200,1531,631,051,420,951,140,66
    1500,1241,370,761,120,680,910,60
    1850,09911,190,710,970,620,790,54
    2400,07540,990,630,810,560,630,48
    3000,06010,860,590,700,520,550,45
    4000,0470,700,530,580,470,450,32
    Maximum Lead sheath and armour conductivity expressed as a percentage (%) of one phase conductor.
    Two CoreTwo CoreThree coreThree coreFour coreFour core
    Lead sheathArmourLead sheathArmourLead sheathArmour
    Nominal area of conductor
    %%%%%%
    mm²
    25193421372642
    35152719302233
    50142217241934
    70122113231627
    95101712191421
    12091511161323
    15091611181421
    18581410161318
    2408129131216
    3007109121113
    400798101015

    TABLE BEC 114 Armour resistance & Conductor short circuit ratings for Power & Control cables 600/1000V to BS6883, IEC60331 & IEC60332

    Nominal armour resistance (ohms/Km)
    Nominal areaTwoThreeFourSevenTwelveTwoThreeFourSevenTwelve
    of conductorCoreCoreCoreCoreCoreCoreCoreCoreCoreCore
    IEC60331IEC60331IEC60331IEC60331IEC60331IEC60332IEC60332IEC60332IEC60332IEC60332
    mm²
    1,044,0847,5228,7534,3720,0039,9624,6026,9031,4818,66
    1,547,5251,2530,2636,1121,3924,6626,6828,8634,1419,70
    2,528,7530,2433,9039,7613,3627,0428,9431,2616,5812,50
    4,034,5835,9517,4821,3315,9132,1334,3916,6219,9215,31
    6,016,5217,4519,3035,0716,6318,72
    1019,0320,0522,6817,8219,1112,22
    1621,5412,7714,1912,1212,5413,54
    2514,7415,769,3714,0315,349,12
    3515,849,2410,1315,458,799,86
    509,8410,305,109,3510,054,95
    705,025,375,774,885,095,67
    955,656,024,305,455,923,72
    1206,096,544,536,003,724,04
    1504,324,504,793,754,034,59
    1854,584,784,094,404,595,04
    2404,924,124,444,725,095,88
    3004,214,434,795,205,876,38
    Short Circuit Ratings (kA)
    Fault Current at 250°CFault Current at 160°C
    Nominal areaDurationDurationDurationDurationDurationDuration
    of conductor1.0 Sec0.5 Sec0.2 Sec1.0 Sec0.5 Sec0.2 Sec
    mm²kAkAkAkAkAkA
    1,00,150,220,340,110,150,24
    1,50,220,310,490,150,220,35
    2,50,350,500,790,250,350,55
    40,570,801,30,400,560,89
    60,851,21,90,590,841,3
    101,42,03,21,01,42,2
    162,33,25,11,62,23,6
    253,95,58,72,73,86,1
    355,07,1113,54,97,8
    506,89,6154,76,711
    709,814226,89,715
    951319299,21321
    120172438121727
    150213047152133
    185263759182641
    2403549243454
    3004462304368

    Armour Resistance Type 21 Cable BS6708 Conductor, Armour resistance and percentage conductivity of 4 core cables complying with BS6708, Type 21

    Maximum resistance (ohms) per 1000 metres of cable at 20°C

    Nominal
    area ofConductorArmourMaximum Armour
    conductorresistanceresistanceconductance as a %
    of one phase conductor
    mm²ohmsohms%
    2,58,214,2195
    45,093,9130
    63,392,0170
    101,951,9103
    161,241,773
    250,7951,553
    350,5651,152
    500,3930,9641
    700,2770,8035
    950,2100,7329
    1200,1640,4735
    1500,1320,4132

    Armour Resistance Lead EEMUA Cable Conductor, Lead sheath, Armour resistance, and percentage conductivity of 2,3 and 4 core cables complying with EEMUA133 600/1000 Volts grade.

    Maximum resistance (ohms) per 1000 metres of cable at 20°C

    Resistance Values
    Nominal
    area ofCopperTwo coreThree coreFour core
    conductorconductor
    LeadArmourLeadArmourLeadArmour
    mm²
    1,512,18,37,18,36,77,16,3
    2,57,287,36,57,16,16,25,7
    44,616,55,86,25,55,55,2
    63,085,85,45,45,14,93,4
    101,834,94,84,53,24,12,9
    161,154,12,93,82,73,22,5
    250,7273,12,52,51,82,41,6
    350,5242,51,71,91,61,91,4
    500,3873,11,92,01,62,01,5
    700,2682,51,71,51,41,61,0
    950,1932,11,21,11,01,30,91
    1200,1531,71,10,900,931,10,66
    1500,1241,40,980,710,660,910,59
    1850,09911,20,700,570,600,770,54
    2400,07541,00,610,410,540,420,48
    3000,06010,860,560,330,490,540,44
    4000,0470,690,500,250,440,420,31
    Maximum Lead sheath and armour conductivity expressed as a percentage (%) of one phase conductor.
    NominalTwo CoreTwo CoreThree coreThree coreFour coreFour core
    area ofLead sheathArmourLead sheathArmourLead sheathArmour
    conductor
    %%%%%%
    mm²
    1,5146170146181170192
    2,5100112103119117128
    4717974848489
    6535757606391
    10373841574563
    16284030433646
    25232929403045
    35213128332837
    50122019241926
    70111618191727
    9591618191521
    12091417161423
    15091317191421
    18581417171318
    24071218141816
    30071118121114
    4006919111115

    Armour Resistance BS6724 Conductor, Armour resistance and percentage conductivity of 2,3 and 4 core cables. PVC to BS6346, XLPE to BS5467 or BS6724 (Copper Conductors)

    Maximum resistance per km of cable at 20°C (ohms)

    Resistance Values
    Nominal
    area ofCopperTwo coreTwo coreThree coreThree coreFour coreFour core
    conductorConductorPVCXLPEPVCXLPEPVCXLPE
    mm²
    1,512,110,79,410,29,19,58,5
    2,57,419,18,88,88,27,97,7
    44,617,57,97,07,54,66,8
    63,086,87,04,66,64,14,3
    101,833,96,03,74,03,43,7
    151,153,53,83,23,62,23,2
    250,7272,63,72,42,52,12,3
    350,5242,42,52,12,31,92,0
    500,3872,12,31,92,01,31,8
    700,2681,92,01,41,81,21,2
    950,1931,31,41,21,30,981,1
    1200,1531,21,31,11,20,710,76
    1500,1241,11,20,740,780,650,68
    1850,09910,780,820,680,710,590,61
    2400,07540,690,730,600,630,520,54
    3000,06010,630,670,540,580,470,49
    4000,0470,560,590,490,520,340,35
    Maximum armour conductivity expressed as a percentage (%) of one phase conductor.
    NominalTwo CoreTwo CoreThree coreThree coreFour coreFour core
    area ofPVCXLPEPVCXLPEPVCXLPE
    conductor
    mm²%%%%%%
    1,5113129118133127142
    2,5808483909296
    46158666110068
    6454467477571
    10473049465449
    16333037325236
    25282030293431
    35222125232726
    50181720193021
    70141420152222
    95151416151917
    120131214132120
    150111017161918
    185121214141716
    240111012121414
    3009911101312
    40088991413

    Armour Resistance BS5467 Conductor, Armour resistance and percentage conductivity of 2,3 and 4 core cables. PVC to BS6346, XLPE to BS5467 or BS6724 (Copper Conductors)

    Maximum resistance per km of cable at 20°C (ohms)

    Resistance Values
    Nominal
    area ofCopperTwo coreTwo coreThree coreThree coreFour coreFour core
    conductorConductorPVCXLPEPVCXLPEPVCXLPE
    mm²
    1,512,110,79,410,29,19,58,5
    2,57,419,18,88,88,27,97,7
    44,617,57,97,07,54,66,8
    63,086,87,04,66,64,14,3
    101,833,96,03,74,03,43,7
    151,153,53,83,23,62,23,2
    250,7272,63,72,42,52,12,3
    350,5242,42,52,12,31,92,0
    500,3872,12,31,92,01,31,8
    700,2681,92,01,41,81,21,2
    950,1931,31,41,21,30,981,1
    1200,1531,21,31,11,20,710,76
    1500,1241,11,20,740,780,650,68
    1850,09910,780,820,680,710,590,61
    2400,07540,690,730,600,630,520,54
    3000,06010,630,670,540,580,470,49
    4000,0470,560,590,490,520,340,35
    Maximum armour conductivity expressed as a percentage (%) of one phase conductor.
    NominalTwo CoreTwo CoreThree coreThree coreFour coreFour core
    area ofPVCXLPEPVCXLPEPVCXLPE
    conductor
    mm²%%%%%%
    1,5113129118133127142
    2,5808483909296
    46158666110068
    6454467477571
    10473049465449
    16333037325236
    25282030293431
    35222125232726
    50181720193021
    70141420152222
    95151416151917
    120131214132120
    150111017161918
    185121214141716
    240111012121414
    3009911101312
    40088991413