Three Cores Cables to BS 6622/BS 7835, CU AL XLPE CWS PVC cable 3 cores

OVERVIEW

SPECIFICATIONS

CONSTRUCTION

PARAMETER

Application

The three core cables are designed for distribution of electrical power with nominal voltage Uo/U ranging from 3.6/6.6KV to 19/33KV and frequency 50Hz.
They are suitable for installation mostly in power supply stations, indoors and in cable ducts, outdoors, underground and in water as well as for installation on cable trays for industries, switchboards and power station.

Standards:

BS 6622/BS 7835 IEC60502-2 Standard

Specifications

Medium Voltage

construction

Conductor:

Plain annealed copper or aluminium complying with IEC 60228/BS 6360.

Inner Layer:

Semi-conductive conductor screen

Insulation:

XLPE (Cross-Linked Polyethylene)

Outer Layer:

Semi-conductive core screen

Metallic screen:

copper tape screen or copper wire screen

Inner sheath:

Polyvinyl Chloride (PVC) bedding material

Armour:

Steel wire armour

Outer sheath:

Polyvinyl Chloride (PVC) compound or medium density Polyethylene (MDPE)

parameter

Technical data

3.8/6.6kV (UM=7.2kV)

6.35/11kV (UM=12kV)

8.7/15kV (UM=17.5kV)

12.7/22kV (UM=24kV)

19/33kV (UM=36kV)

RATED VOLTAGE UO/U	OPERATING VOLTAGE (UM)	TESTING VOLTAGE (RMS)
3.8/6.6KV	7.2KV	15KV
6.35/11KV	12KV	25.5KV
8.7/15KV	17.5KV	35KV
12.7/22KV	24KV	51KV
19/33KV	36KV	76KV

NOMINAL CROSS-SECTION OF CABLES	MINIMUM CROSS-SECTION OF COPPER WIRE SCREEN	DC RESISTANCE OF THE COPPER WIRE SCREEN AT 20°C
mm2	mm2	Ω
up to 120	16	1.06
150-300	25	0.72
400-630	35	0.51

Operating Temperature	up to 90°C
Temperature Range	-5°C ( PVC or LSZH sheath ); -20°C ( PE sheath )
Short Circuit Temperature	250°C (short circuit duration up to 5 seconds)
Bending Radius	15 x OD

THREE CORE 3.8/6.6kV (UM=7.2kV)
NOM. CROSS- SECTION AREA	NOM. INSULATION THICKNESS	NOM THICKNESS OF COPPER TAPE	NOM.BEDDING THICKNESS	NOM. ARMOUR WIRE DIAMETER	NOM.SHEATH THICKNESS	APPROX. OVERALL DIAMETER	APPROX. WEIGHT
NOM. CROSS- SECTION AREA	NOM. INSULATION THICKNESS	NOM THICKNESS OF COPPER TAPE	NOM.BEDDING THICKNESS	NOM. ARMOUR WIRE DIAMETER	NOM.SHEATH THICKNESS	APPROX. OVERALL DIAMETER	CU	AL
MM²	MM	MM	MM	MM	MM	MM	KG/KM
50	2.5	0.1	1.3	2.5	2.5	51.5	5640	4690
70	2.5	0.1	1.3	2.5	2.6	55	6570	5240
95	2.5	0.1	1.4	2.5	2.7	58.9	7760	5890
120	2.5	0.1	1.5	2.5	2.8	62.1	8810	6510
150	2.5	0.1	1.5	2.5	2.9	65.8	10110	7310
185	2.5	0.1	1.6	2.5	3	69.5	11520	7960
240	2.6	0.1	1.7	2.5	3.2	75.9	13920	9140
300	2.8	0.1	1.8	3.15	3.5	83.1	17400	11620
400	3	0.1	2	3.15	3.7	93	21900	13980

THREE CORE 6.35/11kV (UM=12kV)
NOM. CROSS- SECTION AREA	NOM. INSULATION THICKNESS	NOM THICKNESS OF COPPER TAPE	NOM.BEDDING THICKNESS	NOM. ARMOUR WIRE DIAMETER	NOM.SHEATH THICKNESS	APPROX. OVERALL DIAMETER	APPROX. WEIGHT
NOM. CROSS- SECTION AREA	NOM. INSULATION THICKNESS	NOM THICKNESS OF COPPER TAPE	NOM.BEDDING THICKNESS	NOM. ARMOUR WIRE DIAMETER	NOM.SHEATH THICKNESS	APPROX. OVERALL DIAMETER	CU	AL
MM²	MM	MM	MM	MM	MM	MM	KG/KM
50	3.4	0.1	1.4	2.5	2.6	55.7	6210	5260
70	3.4	0.1	1.4	2.5	2.7	59.2	7200	5870
95	3.4	0.1	1.5	2.5	2.8	63.2	8420	6550
120	3.4	0.1	1.6	2.5	3	67	9580	7190
150	3.4	0.1	1.6	2.5	3.1	70.3	10830	8030
185	3.4	0.1	1.7	2.5	3.2	73.9	12290	8720
240	3.4	0.1	1.8	3.15	3.4	81.2	15620	10790
300	3.4	0.1	1.9	3.15	3.6	86.1	18030	12240
400	3.4	0.1	2	3.15	3.8	95	22350	14350

THREE CORE 8.7/15kV (UM=17.5kV)
M. CROSS- SECTION AREA		STEEL WIRE ARMOURED CABLES
	NOM. INSULATION THICKNESS	NOM THICKNESS OF COPPER TAPE	NOM.BEDDING THICKNESS	NOM. ARMOUR WIRE DIAMETER	NOM.SHEATH THICKNESS	APPROX. OVERALL DIAMETER	APPROX. WEIGHT
	NOM. INSULATION THICKNESS	NOM THICKNESS OF COPPER TAPE	NOM.BEDDING THICKNESS	NOM. ARMOUR WIRE DIAMETER	NOM.SHEATH THICKNESS	APPROX. OVERALL DIAMETER	CU AL
MM²	MM	MM	MM	MM	MM	MM	KG/KM
50	4.5	0.1	1.5	2.5	2.8	61.1	7010	6060
70	4.5	0.1	1.5	2.5	2.9	64.6	8030	6700
95	4.5	0.1	1.6	2.5	3	68.2	9160	7330
120	4.5	0.1	1.7	2.5	3.1	71.7	10340	8030
150	4.5	0.1	1.7	2.5	3.2	75.4	11730	8930
185	4.5	0.1	1.8	3.15	3.4	80.6	14170	10570
240	4.5	0.1	1.9	3.15	3.6	86.6	16670	11810
300	4.5	0.1	2	3.15	3.7	91.3	19140	13340
400	4.5	0.1	2.1	3.15	4	100	23360	15410

THREE CORE 12.7/22kV (UM=24kV)
NOM. CROSS- SECTION AREA	NOM. INSULATION THICKNESS	NOM THICKNESS OF COPPER TAPE	NOM.BEDDING THICKNESS	NOM. ARMOUR WIRE DIAMETER	NOM. SHEATH THICKNESS	APPROX. OVERALL DIAMETER	APPROX. WEIGHT
NOM. CROSS- SECTION AREA	NOM. INSULATION THICKNESS	NOM THICKNESS OF COPPER TAPE	NOM.BEDDING THICKNESS	NOM. ARMOUR WIRE DIAMETER	NOM. SHEATH THICKNESS	APPROX. OVERALL DIAMETER	CU	AL
MM²	MM	MM	MM	MM	MM	MM	KG/KM
50	5.5	0.1	1.5	2.5	2.9	65.6	7710	6810
70	5.5	0.1	1.6	2.5	3	69	8710	7370
95	5.5	0.1	1.7	2.5	3.2	73.1	10000	8130
120	5.5	0.1	1.7	3.15	3.3	77.7	12040	9730
150	5.5	0.1	1.8	3.15	3.4	81.7	13550	10750
185	5.5	0.1	1.9	3.15	3.6	85.5	15150	11610
240	5.5	0.1	2	3.15	3.7	91.3	17710	12840
300	5.5	0.1	2	3.15	3.9	96	20170	14360
400	5.5	0.1	2.2	3.15	4.1	104.8	24520	16480

THREE CORE 19/33kV (UM=36kV)
NOM. CROSS- SECTION AREA	NOM. INSULATION THICKNESS	NOM THICKNESS OF COPPER TAPE	NOM.BEDDING THICKNESS	NOM. ARMOUR WIRE DIAMETER	NOM.SHEATH THICKNESS	APPROX. OVERALL DIAMETER	APPROX. WEIGHT
NOM. CROSS- SECTION AREA	NOM. INSULATION THICKNESS	NOM THICKNESS OF COPPER TAPE	NOM.BEDDING THICKNESS	NOM. ARMOUR WIRE DIAMETER	NOM.SHEATH THICKNESS	APPROX. OVERALL DIAMETER	CU	AL
MM²	MM	MM	MM	MM	MM	MM	KG/KM
50	8.0	0.1	1.8	3.15	3.4	79	10620	9680
70	8.0	0.1	1.8	3.15	3.5	82.5	11840	10440
95	8.0	0.1	1.9	3.15	3.6	86.4	13200	11350
120	8.0	0.1	2	3.15	3.7	89.9	14520	12190
150	8.0	0.1	2	3.15	3.8	93.6	16070	13280
185	8.0	0.1	2.1	3.15	3.9	97.3	17710	14090
240	8.0	0.1	2.2	3.15	4.1	103.2	20370	15460
300	8.0	0.1	2.3	3.15	4.3	108.2	22980	17210
400	8.0	0.1	2.4	3.15	4.5	116.8	27480	19450

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