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BS Standard Armoured Cables

BS 6622 12.7/22kV XLPE PVC Armoured Cable Medium Voltage

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Product Details

Product parameter

Application

XLPE PVC Armoured Cable Medium Voltage for power networks,underground and in cable ducting.

Performance

Electrical performance U0/U:
12.7/22 (24) kV

Chemical performance:
chemical, UV&oil resistance

Mechanical performance:
Single core - Fixed: 15 x overall diameter
3 core - Fixed: 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)

Terminal performance:
Fixed: 0°C to +90°C

Fire performance:
- Flame Retardant according to IEC/EN 60332-1-2 Standard

Constructions

Conductor:
class 2 stranded copper conductor

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

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

Metallic Screen:
Individual or collective overall copper tape 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)

Sheath
Colour : Red Black

BS 6622 12.722kV XLPE PVC Armoured Cable Medium Voltage (2)

1. Conductor
2. Conductor Screen
3. Insulation
4. Insulation Screen

5. Metallic Screen
6. Armour
7. Outer Sheath

Cable Marking and Packing Materials

Cable Marking:
printing, embossing ,engraving

Packing Materials:
wooden drum, steel drum, steel-wooden drum

Specifications

- BS 6622, IEC/EN 60228 Standard

12.7/22kV XLPE PVC Armoured Cable Size Chart Physical Performance and Resistance

number of cores	nominal cross sectional area	minimum thickness		nominal thickness of semi conductive layer		nominal diameter		CONDUCTOR DC RESISTANCE AT 20 °C
number of cores	nominal cross sectional area	Insulation	Outer sheath	Inner	Outer	Over insulation	Overall	CONDUCTOR DC RESISTANCE AT 20 °C
-	mm2	mm	mm	mm	mm	mm	mm	Ω/km
1	50	4.85	1.4	0.5	0.8	21.3	32	0.497
1	70	4.85	1.48	0.5	0.8	23	34	0.344
1	95	4.85	1.48	0.5	0.8	24.6	36	0.248
1	120	4.85	1.56	0.5	0.8	26	37	0.196
1	150	4.85	1.56	0.5	0.8	27.7	40	0.16
1	185	4.85	1.64	0.5	0.8	29.3	41	0.128
1	240	4.85	1.72	0.5	0.8	31.8	45	0.098
1	300	4.85	1.8	0.5	0.8	34	47	0.08
1	400	4.85	1.88	0.5	0.8	36.7	50	0.064
1	500	4.85	1.96	0.5	0.8	39.7	53	0.051
1	630	4.85	2.04	0.5	0.8	44	58	0.042
3	50	4.85	2.2	0.5	0.8	21.3	61	0.497
3	70	4.85	2.28	0.5	0.8	23	65	0.344
3	95	4.85	2.44	0.5	0.8	24.6	69	0.248
3	120	4.85	2.52	0.5	0.8	26	74	0.196
3	150	4.85	2.68	0.5	0.8	27.7	78	0.16
3	185	4.85	2.76	0.5	0.8	29.1	81	0.128
3	240	4.85	2.84	0.5	0.8	31.8	87	0.098
3	300	4.85	3	0.5	0.8	34	93	0.08
3	400	4.85	3.24	0.5	0.8	36.7	100	0.064
3	500	4.85	3.4	0.5	0.8	39.7	107	0.051

Electrical Performance(Current Carrying Capacity of copper conductor )

No. of cores	nominal cross sectional area	current carrying capacity		conductor losses in the ground
No. of cores	nominal cross sectional area	In ground (20 °C)	In air (30 °C)	conductor losses in the ground
-	mm2	A	A	kW/km
1	50	250	279	31.1
1	70	304	347	31.8
1	95	361	420	32.3
1	120	407	483	32.47
1	150	445	540	31.68
1	185	498	614	31.74
1	240	569	718	31.73
1	300	633	813	32.1
1	400	686	904	30.1
1	500	756	1011	29.1
1	630	820	1030	28.2
3	50	210	206	65.75
3	70	256	257	67.63
3	95	307	313	70.12
3	120	349	360	71.62
3	150	392	410	73.76
3	185	443	469	75.36
3	240	513	553	77.37
3	300	576	635	79.6
3	400	650	731	81.12
3	500	-	-	-