BS 6622 Aluminium AWA/SWA PVC 3.8/6.6kV Cable 25

CHARACTERISTICS

Voltage Rating Uo/U (Um) 3.8/6.6 (7.2)kV

Test Voltage (AC) 12.5kV

Temperature Rating

Maximum operating temperature: 90°C

Maximum short circuit temperature: 250°C

Minimum Bending Radius Single core: 15x overall diameter Multi core: 12 x overall diameter

(Single core 12 x overall diameter and 3 core 10 x overall diameter where bends are positioned adjacent to a joint or termination provided that the bending is carefully controlled by the use of a former)

STANDARDS

BS 6622, IEC 60502-2, IEC/EN 60228, HD 620

Flame Retardant according to IEC/EN 60332-1-2

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Overview

Parameter Inquiry

Overview

BS 6622 Aluminium AWA/SWA PVC 3.8/6.6kV Cable

APPLICATION

Armoured power distribution cables with aluminium conductors for external and direct burial applications in power networks.

CONSTRUCTION

Conductor: Class 2 compacted aluminium conductor

Conductor Screen: Semi-conductive XLPE (Cross-Linked Polyethylene)

Insulation: XLPE (Cross-Linked Polyethylene)

Insulation Screen: Semi-conductive XLPE (Cross-Linked Polyethylene)

Insulation Screen: Concentric copper wires and copper tape

Inner Sheath: PVC (Polyvinyl Chloride)

Armour

Single core: AWA (Aluminium Wire Armoured) Multi core: SWA (Galvanised steel wire)

Sheath: PVC (Polyvinyl Chloride)

Sheath Colour: Red

Parameter

DIMENSIONS

ELECTRICAL CHARACTERISTICS

DIMENSIONS
NO. OF CORES	NOMINAL CROSS SECTIONAL AREA mm2	NOMINAL OVERALL DIAMETER mm	NOMINAL WEIGHT kg/km
1	35	24.40	823
1	50	25.60	894
1	70	27.70	1.034
1	95	29.60	1.179
1	120	30.80	1.285
1	150	32.50	1.508
1	185	35.20	1.773
1	240	37.90	2.038
1	300	40.80	2.357
1	400	45.00	2.893
1	500	49.80	3.553
1	630	56.20	4.164
3	50	49	3750
3	70	54	4500
3	95	57	5000
3	120	60	5500
3	150	64	6000
3	185	68	6750
3	240	76	8750
3	300	82	10000
3	400	90	12000
3	500	97	14000

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ELECTRICAL CHARACTERISTICS Single Core
NOMINAL CROSS SECTIONAL AREA mm2	MAXIMUM RESISTANCE OF CONDUCTOR AT 20ºC ohms/km	OPERATING INDUCTANCE mH/km		OPERATING CAPACITY uF/km	CONTINUOUS CURRENT RATING Amps
		Flat	Trefoil		In Ground			In Air
					Flat	Trefoil		Flat	Trefoil
35	0.868	0.748	0.401	0.266	-	-		-	-
50	0.641	0.719	0.381	0.297	186	178		233	188
70	0.443	0.684	0.357	0.339	234	217		280	235
95	0.320	0.659	0.342	0.381	287	259		344	286
120	0.253	0.636	0.327	0.416	338	298		392	329
150	0.206	0.620	0.319	0.454	388	333		441	376
185	0.164	0.602	0.310	0.495	449	377		510	428
240	0.125	0.579	0.300	0.556	530	438		587	508
300	0.100	0.562	0.295	0.617	605	495		682	586
400	0.0788	0.543	0.290	0.681	678	562		781	676
500	0.0605	0.525	0.283	0.758	762	633		883	772
630	0.0469	0.507	0.276	0.853	858	712		1007	882
ELECTRICAL CHARACTERISTICS Multi Core
NO. OF CORES	NOMINAL CROSS SECTIONAL AREA mm2	MAXIMUM RESISTANCE OF CONDUCTOR AT 20ºC ohms/km		OPERATING INDUCTANCE mH/km	OPERATING CAPACITY uF/km		CONTINUOUS CURRENT RATING Amps
							In Ground at 20OC		In Air at 30OC
3	50	0.641		0.33	0.31		162		160
3	70	0.443		0.31	0.37		199		199
3	95	0.320		0.30	0.41		238		242
3	120	0.253		0.29	0.44		271		280
3	150	0.206		0.28	0.49		304		318
3	185	0.164		0.27	0.53		345		365
3	240	0.125		0.27	0.57		401		431
3	300	0.100		0.26	0.58		516		649
3	400	0.0778		0.26	0.61		572		737
3	500	0.0605		0.25	0.65		638		835

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BS 6622 Aluminium AWA/SWA PVC 3.8/6.6kV Cable 25

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