الصفحة الرئيسية » BS أنواع » BS 6708 TYPE 62, TYPE 63, TYPE 64

BS 6708 TYPE 62, TYPE 63, TYPE 64

Mining Certficated Cables

Certificates :

APPLICATION

Used for supplying excavating, crushing machines
and equipment, as well as coalface lighting.

CONDUCTOR : Electrolytic, stranded, tinned copper wire IEC 60228 Class 5
INSULATION : EPR
SCREEN : Tinned copper / Nylon braided screen over phase and pilot cores
LAYUP : All cores are laid up in contact with each other.
BEDDING : Rubbe based bedding compound.
ARMOUR : Galvanized steel pliable armour.
OUTER SHEATH : Heavy duty chloroprene outer sheath.

RELATED STANDARDS : BS 6708
RATED VOLTAGE : 640/1100 V
TEST VOLTAGE : 2,5 kV

Cross Section2×4 3×44×4
Conductors
Number and cross sectionmm22×43×44×4
Strandingmm56/0,3056/0,3056/0,30
Conductor diameterNom. mm2.602.602.60
Insulation diameterNom. mm4.804.804.80
Screen diameterNom. mm6.006.006.00
Cable details
Min. inner sheath diametermm16.217.118.7
Max. inner sheath diametermm18.219.120.7
Min. overall diametermm23.924.826.4
Max. overall diametermm26.427.329.9
Min. bending radiusmm270280290
Max. pulling tensionkgf487296
Appx. cable weightkg/km1.081.231.4
Copper weightkg/km132200264
Electrical details
“Continuous current
rating at 25°C Ambient”
A282828
Max. DC resistance at 20°C
Phase ConductorΩ /km5.095.095.09
screens in parallel connectionΩ /km5.53.92.8
ArmourΩ /km4.914.634.16
Nom. reactance at 50HzΩ /km0.1190.1190.119
Nom. reactance at 60HzΩ /km0.1430.1430.143
Min. insulation
resistance at 20°C
M Ω /km590590590
3 phase voltage
drop on full load current
mV/A/m12,38*10.7210.72

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