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EN 60228 Armoured Electrical Cable PVC Bedding SWA

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Wuhan Unique Mechanical And Electrical Equipment Co.,LTD.

EN 60228 Armoured Electrical Cable PVC Bedding SWA

Country/Region	china
City & Province	wuhan hubei
Categories	Power Cables

Product Details

BS 6622 Standard Armoured Electrical Cable XLPE PVC SWA MV Power Cable

APPLICATION
Power cables for power networks, underground and in cable ducting.

CABLE STANDARDS
BS 6622, BS EN/IEC 60228

CONSTRUCTION
Conductor
Class 2 stranded copper conductor
Conductor Screen
Semi-conductive XLPE (Cross-Linked Polyethylene)
Insulation
XLPE (Cross-Linked Polyethylene)
Insulating Screen
Semi-conducting XLPE(Cross-Linked Polyethylene)
Separator
Water blocking tape
Insulation Screen
Semi-conductive XLPE (Cross-Linked Polyethylene)
Metallic Screen
Individual copper wire screen
Filler
PET (Polyethylene Terephthalate) fibres
Separator
Binding tape
Bedding
PVC (Polyvinyl Chloride)

Armour
Single core: AWA (Aluminium Wire Armoured)
Multi-core: SWA (Steel Wire Armoured)
Sheath

PVC (Polyvinyl Chloride)

DIMENSIONS

NO. OF CORES	NOMINAL CROSS SECTIONAL AREA	Under Armour	NOMINAL DIAMETER Over Armour	Overall	NOMINAL WEIGHT
NO. OF CORES	mm²	mm	mm	mm	kg/km
1	50	21.7	24.9	28.5	1200
1	70	23	26.2	30	1500
1	95	24.7	27.9	31.7	1600
1	120	26.7	29.9	33.9	2100
1	150	27.5	31.5	35.7	2500
1	185	29.3	33.3	37.5	2900
1	240	31.6	35.6	40	3600
1	300	34.6	38.6	43	4300
1	400	37	41	45.8	5200
1	500	40.5	45.5	50.5	6500
1	630	44.6	49.6	54.8	8000
1	800	48.8	53.8	59.2	9850
1	1000	53.5	58.5	64.3	12100
3	25	39	44	48.8	4300
3	35	41.6	46.6	51.6	4700
3	50	44.4	49.4	54.6	5300
3	70	48.1	53.1	58.5	6300
3	95	52	57	62.6	7300
3	120	55.6	60.6	66.6	8400
3	150	58.6	63.6	69.8	9600
3	185	62.7	67.7	74.1	11000
3	240	68.1	74.4	81.2	14000
3	300	73.5	79.8	87	16600

CONDUCTORS
Class 2 Stranded Conductors for Single Core and Multi-Core Cables

NOMINAL CROSS SECTIONAL AREA	MINIMUM NO. OF WIRES IN CONDUCTOR						MAXIMUM RESISTANCE OF CONDUCTOR AT 20ºC
NOMINAL CROSS SECTIONAL AREA	Circular		Circular Compacted		Shaped		Annealed Copper Conductor
mm²	Cu	Al	Cu	Al	Cu	Al	Plain Wires ohms/km
25	7	7	6	6	6	6	0.727
35	7	7	6	6	6	6	0.524
50	19	19	6	6	6	6	0.387
70	19	19	12	12	12	12	0.268
95	19	19	15	15	15	15	0.193
120	37	37	18	15	18	15	0.153
150	37	37	18	15	18	15	0.124
185	37	37	30	30	30	30	0.0991
240	37	37	34	30	34	30	0.0754
300	61	61	34	30	34	30	0.0601
400	61	61	53	53	53	53	0.047
500	61	61	53	53	53	53	0.0366
630	91	91	53	53	53	53	0.0283
800	91	91	53	53	-	-	0.0221
1000	91	91	53	53	-	-	0.0176

ELECTRICAL CHARACTERISTICS
Copper Conductor Dimensions and Current Carrying Capacity

NO. OF CORES	NOMINAL CROSS SECTIONAL AREA mm²	CONTINUOUS CURRENT RATING
		In Ground Amps		In Ducts Amps		In Air Amps
		Trefoil	Flat	Trefoil	Flat	Trefoil	Flat
1	50	220	230	220	220	250	300
1	70	270	280	260	270	310	370
1	95	320	335	305	325	375	460
1	120	360	380	340	370	430	530
1	150	410	430	375	410	490	600
1	185	455	485	410	460	550	690
1	240	520	560	470	540	650	820
1	300	580	640	500	610	740	940
1	400	650	730	530	690	840	1100
1	500	710	830	570	780	930	1280
1	630	760	940	620	890	1040	1480
1	800	810	1060	660	990	1140	1690
1	1000	860	1170	690	1090	1230	1900
3	25	140	140	125	125	145	145
3	35	170	170	150	150	175	175
3	50	210	210	180	180	220	220
3	70	250	250	215	215	270	270
3	95	300	300	255	255	330	330
3	120	340	340	290	290	380	380
3	150	380	380	330	330	430	430
3	185	430	430	370	370	490	490
3	240	500	500	430	430	570	570
3	300	540	540	470	470	650	650

DE-RATING FACTORS

AIR TEMPERATURE °C	25	30	35	40	45	50	55
DE-RATING FACTOR	1.00	0.96	0.92	0.88	0.83	0.78	0.73
GROUND TEMPERATURE°C	10	15	20	25	30	35	40
DE-RATING FACTOR	1.03	1.00	0.97	0.93	0.89	0.86	0.82
GROUND THERMAL RESISTIVITY km/W