Prysmian Mining Cable BCS 295 3kV

Cable Construction

Conductor cross-sectional area	mm²	95	120	150	185	240	300
Conductor diameter	sector shaped
Nominal Insulation thickness	mm	2.0	2.0	2.0	2.0	2.0	2.0
Nominal Bedding sheath thickness	mm	1.8	2.2	2.2	2.2	2.6	2.6
Armour - nominal diameter of wires	mm	2.0	2.5	2.5	2.5	2.5	2.5
Nominal Oversheath thickness	mm	2.3	2.4	2.5	2.6	2.7	2.8
Nominal Overall diameter of cable	mm	44.0	48.0	51.0	54.0	60.0	64.0

Installation Data
Approximate Cable mass	kg	4.90	6.20	7.30	8.50	10.60	12.60
Minimum bending radius	mm	360	380	415	440	480	520
Maximum pulling tension (per conductor)	kgf	475	600	700	700	700	700

Electrical Data
Maximum DC resistance of conductor @ 20°C	Ω/km	0.193	0.153	0.124	0.0991	0.0754	0.0601
Maximum AC resistance of conductor @ 90°C	Ω/km	0.247	0.196	0.159	0.128	0.097	0.080
Maximum resistance of armour wire @ 20°C	Ω/km	0.322	0.255	0.207	0.165	0.126	0.100
Capacitance (core to core)	μF/km	0.330	0.353	0.388	0.423	0.466	0.511
Approximate Inductance	mH/km	0.254	0.249	0.242	0.238	0.233	0.228
Reactance @ 50Hz	Ω/km	0.080	0.078	0.076	0.075	0.073	0.072
Impedance @ 50Hz	Ω/km	0.260	0.211	0.175	0.147	0.123	0.107
Approximate Volt Drop (Three Phase)	mV/A/m	0.45	0.37	0.30	0.26	0.21	0.190

Current Ratings (Three Phase)
Laid direct in ground	Amps	304	345	387	436	502	563
Drawn into a duct	Amps	257	293	328	371	428	480
Laid in air	Amps	328	380	430	495	584	666

Short circuit rating conductor (1 second, adiabatic)
(90 to 250°C)	kA	13.6	17.2	21.4	26.5	34.3	42.9

Current rating conditions
Air temperature	°C
Ground temperature	°C
Depth of burial (to centre of cable group)	mm
Thermal resistance of soil	°C m/W
Solid bonded and earthed at both ends.

Conductor sizes above 35mm² are shaped, and therefore Equvialent Circular Diameters have been stated for these sizes