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BS 6708 TYPE 20, TYPE 21

Mining Certficated Cables

Certificats :

APPLICATION

Utilisé pour la fourniture de machines et d’équipements d’excavation et de concassage.

CONDUCTEUR : Fil de cuivre électrolytique, toronné, étamé IEC 60228 Classe 5
ISOLATION : EPR
MISE EN PLACE : Les âmes sont mises en place sur un berceau sans contact les unes avec les autres.
LINGE : Composé de lissage à base de caoutchouc.
ARMURE : Armure pliable en acier galvanisé.
GOUSSE EXTERNE : Gaine extérieure en chloroprène très résistant.

NORMES CONNEXES : BS 6708
TENSION NOMINALE : 640/1100 V
TENSION D’ESSAI : 3 kV

BS 6708 TYPE 20
Cross Section3×2,53×43×63×103×163×253×353×503×703×953×1203×150
Phase and Earth Conductors
Number and cross sectionmm23×2,53×43×63×103×163×253×353×503×703×953×1203×150
Strandingmm50/0,2556/0,3084/0,3080/0,40126/0,40196/0,40276/0,40396/0,40360/0,50475/0,50629/0,50740/0,50
Conductor diameterNom. mm2.102.703.304.405.507.108.4010.1011.9013.9015.8017.00
Insulation thicknessmm1.41.41.51.51.51.61.61.71.82.02.22.3
Cable details
Radial thickness of inner sheathmm2.02.02.52.52.52.52.52.52.53.83.85.0
Size of armourmm7/0,457/0,457/0,717/0,717/0,717/0,907/0,907/0,907/0,907/0,907/0,907/1,25
Outer sheath thicknessmm2.52.53.83.83.84.04.34.75.25.86.26.6
Max. overall diametermm26.928.236.538.440.847.050.656.762.772.177.087.3
Min. bending radiusmm243254329346368423456511565649693786
Appx. cable weightkg/km9901.1522.352.753.354.35.326.758.7510.6512.5
Copper weightkg/km721151732884617201.0081.442.0162.7363.4564.32
Electrical details
« Continuous current
rating at 25°C Ambient »
A2837466385110135170205250295320
Max. DC resistance at 20°C
Phase and earth conductorsΩ /km8.215.093.391.951.240.7950.5650.3930.2770.2100.1640.132
ArmourΩ /km4.64.22.22.01.91.31.21.10.940.800.740.45
BS 6708 TYPE 21
Cross Section4×2,54×44×64×104×164×44×354×504×704×954×1204×150
Phase and Earth Conductors
Number and cross sectionmm24×2,54×44×64×104×164×254×354×504×704×954×1204×150
Strandingmm50/0,2556/0,3084/0,3080/0,40126/0,40196/0,40276/0,40396/0,40360/0,50475/0,50629/0,50740/0,50
Conductor diameterNom. mm2.102.703.304.405.507.108.4010.1011.9013.9015.8017.00
Insulation thicknessmm1.41.41.51.51.51.61.61.71.82.02.22.3
Cable details
Radial thickness of inner sheathmm2.02.02.52.52.52.52.52.52.53.83.85.0
Size of armourmm7/0,457/0,457/0,717/0,717/0,717/0,907/0,907/0,907/0,907/0,907/0,907/1,25
Outer sheath thicknessmm2.52.53.83.83.94.34.75.15.76.36.87.3
Max. overall diametermm28.630.138.841.044.049.856.161.871.478.689.095.3
Min. bending radiusmm258271350369396449505557643708801858
Appx. cable weightkg/km1.151.322.352.743.174.035.226.48.0610.6513.4515.3
Copper weightkg/km961542303846149601.3441922.6883.6484.6085.76
Electrical details
« Continuous current
rating at 25°C Ambient »
A2837466385110135170205250295320
Max. DC resistance at 20°C
Phase and earth conductorsΩ /km8.215.093.391.951.240.7950.5650.3930.2770.2100.1640.132
ArmourΩ /km4.23.92.01.91.71.51.10.960.800.730.470.41

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