Languages :

BS Types

Home » Mining Cables » BS 6708 TYPE 14

BS 6708 TYPE 14

APPLICATION

Used for supplying excavating, crushing machines and equipment.

Certificates
Technical Information

CONDUCTOR : Electrolytic, stranded, tinned copper wire IEC 60228 Class 5
INSULATION : EPR
SEPERATOR : Colored Textile tape for core identification.
SCREEN : Tinned copper / Nylon braided screen over phase cores. Pilot core and ground core are not screened.
LAYUP : All cores are laid up in contact with each other.
BEDDING : Rubber based bedding compound.
OUTER SHEATH : Heavy duty chloroprene outer sheath.

RELATED STANDARDS : BS 6708
RATED VOLTAGE : 640/1100 V
TEST VOLTAGE : 3 kV

Cross Section 3×25+2×16 3×35+2×16 3×50+2×25 3×70+2×35 3×95+2×50
Phase Conductor
Number and cross section mm2 3×25 3×35 3×50 3×70 3×95
Insulation thickness mm 1.6 1.6 1.7 1.8 2.0
Total screen cross section mm2 25.4 25.4 33 35 53
Earth Conductor
Number and cross section mm2 1×16 1×16 1×25 1×35 1×50
Stranding mm 126/0,40 126/0,40 196/0,40 276/0,40 396/0,40
Conductor diameter Nom. mm 5.50 5.50 6.75 8.00 9.75
Insulation thickness mm 1.6 1.6 1.7 1.8 2.0
Pilot Conductor
Number and cross section mm2 1×25 1×35 1×50 1×70 1×95
Stranding mm 196/0,40 276/0,40 396/0,40 360/0,50 475/0,50
Conductor diameter Nom. mm 6.75 8.00 9.75 11.60 12.75
Insulation thickness mm 1.5 1.5 1.6 1.6 1.7
Cable details
Min. overall diameter mm 43.2 47.3 53.7 61.2 69.3
Max. overall diameter mm 46.6 50.7 57.6 65.0 73.9
Min. bending radius mm 420 457 519 585 666
Radial diameter of outer sheath mm 5.0 5.2 5.7 6.3 7.0
Max. pulling tension kgf 638 729 910 1.148 1.446
Appx. cable weight kg/km 3.55 4.28 5.65 7.52 9.8
Copper weight kg/km 1.307 1.675 2.34 3.228 4.326
Electrical details
“Continuous current
rating at 25°C Ambient”
A 110 135 170 205 250
Short curcıit current for 1 s A 3.45 3.45 4.55 4.82 7.3
Max. DC resistance at 20°C
Phase and earth conductors Ω /km 0.795 0.565 0.393 0.277 0.21
Pilot Conductor Ω /km 1240 1240 0.795 0.565 0.393
3 screens in parallel connection Ω /km 1.10 1.20 1.40 0.70 0.85

 

We use cookies on our website to provide you a better experience. For detailed information please visit Our Cookie Policy and Clarification Text.