BS 6708 Type 506, 512, 518, 524 Mining Cable

Used as control cable in large mining machines and connecting surrounding machine segments.

Rated voltage320/550 V

ConductorElectrolytic, stranded, tinned copper wire IEC 60228 Class 5

InsulationEPR or TPE

Outer sheathHeavy duty chloroprene outer sheath

Product Overview

Used as control cable in large mining machines and connecting surrounding machine segments.

Rated voltage	320/550 V
Conductor	Electrolytic, stranded, tinned copper wire IEC 60228 Class 5
Insulation	EPR or TPE
Outer sheath	Heavy duty chloroprene outer sheath
Screen	Tinned copper / Nylon braided screen over cores.
Layup	All cores are laid up in contact with each other.
Bedding	Rubber based bedding compound.
Armour	Galvanized steel pliable armour.
Related standards	BS 6708
Test voltage	1,5 kV

Cross Section		6×1,34	12×1,34	18×1,34	24×0,93
Conductors
Number and cross section	mm2	6×1,34	12×1,34	18×1,34	24×0,93
Insulation thickness	mm	0.4	0.4	0.4	0.4
Cable details
Radial thickness of inner sheath	mm	3.5	1.8	1.5	1.5
Min. inner sheath diameter	mm	14.8	14.8	16.5	17.9
Max. inner sheath diameter	mm	16.8	16.8	18.5	19.9
Size of armour	mm	7/0,45	7/0,45	7/0,45	7/0,45
Outer sheath thickness	mm	1.8	1.8	1.8	1.8
Min. overall diameter	mm	22.1	22.1	22.8	24.2
Max. overall diameter	mm	23.6	23.6	25.3	26.7
Min. bending radius	mm	236	236	253	267
Appx. cable weight	kg/km	1.02	1.2	1.4	1.6
Copper weight	kg/km	150	300	450	450
Electrical details
“Continuous current rating at 25°C Ambient”	A	16	13	11	8
Max. DC resistance at 20°C
Conductors	Ω /km	15.4	15.4	15.4	22.1
Armour	Ω /km	5.40	5.40	4.76	4.50
3 screens connected in parallel	Ω /km	37.3	37.3	37.3	44.7
DC or single phase voltage drop	mV/A/m	34	34	34	50
3 phase voltage drop	mV/A/m	30	30	30	43

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