BS 6622 3.8/6.6kV Cable 24

CHARACTERISTICS

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

Test Voltage (AC) 15kV

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)

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Overview

Parameter Inquiry

Overview

APPLICATION

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

CHARACTERISTICS

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

Test Voltage (AC) 15kV

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

CONSTRUCTION

Conductor: Class 2 stranded compacted copper conductor

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

Insulation: XLPE (Cross-Linked Polyethylene)

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

MetallicScreen: Concentric copper wires and copper tape

Separator: Binding tape

Inner Sheath: PVC (Polyvinyl Chloride)

Armour:

Single core: AWA (Aluminium Wire) 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	24.30	1.023
1	50	25.50	1.171
1	70	27.30	1.418
1	95	29.20	1.719
1	120	31.10	2.013
1	150	32.30	2.386
1	185	35.00	2.866
1	240	37.70	3.486
1	300	41.70	4.256
1	400	47.10	5.406
1	500	51.90	6.693
1	630	55.80	8.212
3	50	48	4500
3	70	52	5500
3	95	56	6500
3	120	60	7500
3	150	63	8500
3	185	67	10000
3	240	74	13000
3	300	80	15500
3	400	89	19000

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ELECTRICAL CHARACTERISTICS Single 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
					Flat	Trefoil				In Ground at 20OC			In Air at 30OC
										Flat	Trefoil		Flat		Trefoil
1	35		0.524		0.748	0.401		0.266		201	191		238		199
1	50		0.387		0.719	0.381		0.297		241	227		285		241
1	70		0.268		0.684	0.357		0.339		301	277		356		301
1	95		0.193		0.659	0.342		0.381		364	331		435		365
1	120		0.153		0.636	0.327		0.416		424	379		496		419
1	150		0.124		0.620	0.319		0.454		479	422		554		479
1	185		0.0991		0.602	0.310		0.495		549	476		637		543
1	240		0.0754		0.579	0.300		0.556		595	550		746		640
1	300		0.0601		0.562	0.295		0.617		626	591		831		722
1	400		0.0470		0.543	0.290		0.681		675	662		920		827
1	500		0.0366		0.525	0.283		0.758		748	744		1043		949
1	630		0.0283		0.507	0.276		0.853		981	856		1180		1076
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		0.387			0.33		0.30			208		196
3		70		0.268			0.31		0.35			255		249
3		95		0.193			0.29		0.39			307		307
3		120		0.153			0.28		0.43			353		353
3		150		0.124			0.28		0.47			396		406
3		185		0.0991			0.27		0.51			447		464
3		240		0.0754			0.26		0.55			523		548
3		300		0.0601			0.26		0.57			581		632
3		400		0.0470			0.26		0.59			653		726
3		240		0.0754			0.26		0.55			523		548
3		300		0.0601			0.26		0.57			581		632
3		400		0.0470			0.26		0.59			653		726

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BS 6622 3.8/6.6kV Cable 24

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