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IEC Standard MV Cables

IEC 60502-2 3.6/6(7.2)kV XLPE Insulated MV Power Cable

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Product Details

Product parameter

Application

XLPE Insulated MV Power Cable up to 35kV are suitable for distribution networks, industrial devices or other fields that require large-capacity electricity.
MV power cable is fixed laying on power transmission and distribution lines with A.C. 50Hz and rated voltages of 6kV~30kV and the main function is to transmit electric energy.

Performance

Voltage rating U0/U(Um):
3.6/6(7.2)kV

Chemical performance:
chemical, UV&oil resistance

Mechanical performance(minimum bending Radius):
-single core unarmoured cable:20 x overall diameter
-single core AWA or aluminum tape armoured cable:15 x overall diameter
- three core unarmoured cable:15 x overall diameter
- three core SWA or STA armoured cable:12 x overall diameter

Thermal performance :
-Maximum operating temperature:90℃
-Maximum short-circuit temperature: 250℃(Max.5s)
-Minimum service temperature：-10℃

Fire performance:
-Flame retardant according to IEC/EN 60332-1-2 standard
-Reduced emission of halogens chlorine <15%

Construction

Conductor:
stranded compacted copper or aluminum conductor , class 2.

Conductor Screen:
Semi-conductive conductor screen.

Insulation:
XLPE (cross-linked polyethylene)
-alternative:EPR (Ethylene Propylene Rubber)

Insulation Screen:
Semi-conductive insulation screen.

Metallic Screen:
individual concentric copper wires and/or copper tape.

Filler:
PET(polyethylene terephthalate) fibres

Binding Tape:
polyester tape or non-woven fabric

Optional Inner Sheath:
PVC(Polyvinyl chloride)
-alternative: LSZH (Low Smoke Zero Halogen)

Optional Armour:
Single-core conductor: AWA (Aluminum Wire Armoring ) or aluminum tape
Three-core conductor: SWA (Steel Wire Armoring ) or galvanized steel tape(single or double layer flat or corrugated)

Outer Sheath:
PVC (polyvinyl chloride)
-alternative :LDPE, MDPE (Low/Medium Density Polyethylene)
-alternative: LSZH (Low Smoke Zero Halogen)

Conductor Shape:
-Single Core:circular, circular compacted
-Three Core:circular, circular compacted, sectorial

Core Identification:
Single Core: Red or black
Three Core: Red , yellow and blue

Sheath Colour:
red, black or other available colour in accord with the request

IEC 60502-2 3.66(7.2)kV XLPE Insulated MV Power Cable (3)

3.6/6（7.2）kV Single Core Aluminium Conductors XLPE Insulated to IEC 60502-2 Aluminium Wire Armoured
1.Aluminium Conductor
2.Semi-conductive conductor screen
3.XLPE Insulation
4.Semi-conductive insulation screen
5.Copper tape screen
6.Bedding
7.Aluminium armour
8. Outer sheath

IEC 60502-2 3.66(7.2)kV XLPE Insulated MV Power Cable (4)

3.6/6（7.2）kV Single Core Copper Conductors XLPE Insulated to IEC 60502-2 Aluminium Wire Armoured Structure
1.Copper Conductor
2.Semi-conductive conductor screen
3.XLPE Insulation
4.Semi-conductive insulation screen
5.Copper tape screen
6.Bedding
7.Aluminium Armour
8. Outer sheath

Cable Marking and Packing Materials

Cable Marking:
printing, embossing ,engraving

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

Standards

- IEC 60502-2, IEC/EN 60228

IEC 60502-2 3.6/6(7.2)kV XLPE Insulated MV Power Cable Physical and Electrical Performance Parameters

No.of Cores	Nominal Section Area	Nominal Diameter of Conductor	Nominal Thickness of Insulation	Max. Resistance of Conductor				Approx.Short Circuit Current
				D.C. at 20℃		A.C. at 90℃		Conductor(1s)		Copper Wire Screen(1s)
				Copper	Aluminum	Copper	Aluminum	Copper	Aluminum	Copper	Aluminum
-	mm²	mm	mm	Ω/km	Ω/km	Ω/km	Ω/km	kA	kA	kA	kA
1	35	7.1	2.5	0.524	-	0.668	-	5.0	-	1.96	-
1	50	8.3	2.5	0.387	0.641	0.494	0.822	7.2	4.7	1.96	1.96
1	70	9.7	2.5	0.268	0.443	0.342	0.568	10.0	6.6	1.96	1.96
1	95	11.5	2.5	0.193	0.320	0.247	0.411	13.6	9.0	1.96	1.96
1	120	12.9	2.5	0.153	0.253	0.196	0.325	17.2	11.3	1.96	1.96
1	150	14.3	2.5	0.124	0.206	0.159	0.265	21.5	14.2	3.1	3.1
1	185	15.9	2.5	0.0991	0.164	0.128	0.211	26.5	17.5	3.1	3.1
1	240	18.3	2.6	0.0754	0.125	0.0984	0.162	34.3	22.7	3.1	3.1
1	300	20.6	2.8	0.0601	0.100	0.0796	0.130	42.9	28.3	3.1	3.1
1	400	23.5	3.0	0.0470	0.0778	0.0631	0.102	57.2	37.8	4.33	4.33
1	500	26.6	3.2	0.0366	0.0605	0.0508	0.0802	71.5	47.2	4.33	4.33
1	630	30.4	3.2	0.0283	0.0469	0.0434	0.0651	90.1	59.0	4.33	4.33
3	35	7.1	2.5	0.524	-	0.668	-	5.0	-	1.96	-
3	50	8.3	2.5	0.387	0.641	0.494	0.822	7.2	4.7	1.96	1.96
3	70	9.7	2.5	0.268	0.443	0.342	0.568	10.0	6.6	1.96	1.96
3	95	11.5	2.5	0.193	0.320	0.247	0.411	13.6	9.0	1.96	1.96
3	120	12.9	2.5	0.153	0.253	0.196	0.325	17.2	11.3	1.96	1.96
3	150	14.3	2.5	0.124	0.206	0.159	0.265	21.5	14.2	3.1	3.1
3	185	15.9	2.5	0.0991	0.164	0.128	0.211	26.5	17.5	3.1	3.1
3	240	18.3	2.6	0.0754	0.125	0.0984	0.162	34.3	22.7	3.1	3.1
3	300	20.6	2.8	0.0601	0.100	0.0796	0.130	42.9	28.3	3.1	3.1
3	400	23.5	3.0	0.0470	0.0778	0.0631	0.102	57.2	37.8	4.33	4.33