Description

Technical Parameters

Certification

Single Core 6.35/11kV Copper Medium Cable

Single core 6.35/11kV copper medium cable is long life , UV resistant , resistant to chemical exposure, which insulation shield is made of extruded semi-conductive compound. This shield can reduce the electrical stress between the insulation layer and the metal insulation shield, ensure the stress distribution is uniform, and improve the overall operation safety of the cable, especially in harsh industrial environment.

Min. installation temperature: 0°C

Operating temperature: -25°C to +90°C

Emergency operating temperature: 105°C

Max. Short Circuit Temperature: 250°C

Application

6.35/11kV copper medium cable is suitable for large-scale infrastructure power distribution systems, and can also be used in airport runway and taxiway lighting systems. The airport environment has high requirements. Medium cable has high temperature resistance, storm resistance and lightning protection performance, and can provide a stable power supply.

Feature

• Conductor: Stranded Compacted Circular Copper conductor as per AS/NZS 1125

• Conductor Screen: Extruded Semi-conductive compound

• Insulation: XLPE

• Insulation Screen: Extruded Strippable Semi-conductive compound

• Longitudinal Water blocking : Water blocking tape above and below copper screen (Optional)

• Metallic Insulation Screen: Copper Wire Screen + helically applied copper tape (E/F current capacity – Based on requirement)

• Metallic Sheath: Lead Alloy (optional)

• Termite Protection: Polyamide (Nylon -12) (optional)

(Alternative Sheath: PVC+HDPE Composite Sheath or PVC + Nylon + HDPE

(composite sheath with anti-termite properties) or LSZH Outer sheath, and parameters will change accordingly)

Certification

Medium voltage cables are SAA certified, with certification numbers SAA242046 and SAA250307. Certified cables are a guarantee of superior quality and a firm commitment to international compliance. Certification strengthens user confidence that the cables they choose have been tested and verified to meet stringent safety and performance standards. Certified products also reduce uncertainty and risk during project execution, fostering long-term partnerships. For distributors and resellers, SAA certified cables are easier to market, and downstream customers have greater trust and confidence in certified cables.

Package

sta power cable package

Factory

Greater Wire Manufacturer strictly abides by environmental regulations and promotes green manufacturing during the production process. The factory uses advanced environmental protection equipment to reduce the emission of wastewater, waste gas and waste materials. At the same time, it prefers to use environmentally friendly materials in the selection of raw materials, such as halogen-free low-smoke cables and recycled materials. By improving energy efficiency and reducing carbon emissions, the factory is committed to creating a sustainable production environment and contributing to the protection of the ecological environment.

Case

Company cases

Partner

greater wire Partner

FAQ

Q: What are the application characteristics of medium-voltage cables in wind power generation?

A: Medium-voltage cables are used in wind farms to transmit electricity from wind turbines to substations, and are required to have good corrosion resistance, mechanical shock resistance, and climate change resistance.

Q: How is the bending test of the cable conducted?

A: The bending test of the cable is to bend the cable multiple times and test its electrical properties to ensure that the cable can withstand mechanical stress without breaking or electrical failure in actual applications.

Q: What problems will occur when MV cables are operated in cold environments?

A: In cold environments, the materials of MV cables may become hard and brittle, increasing the difficulty of installation and operation, so it is necessary to select insulation and sheath materials that are resistant to low temperatures.

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MV105 cable

MV105 cable specification

No. of Cores	Core Cross sectional Area	Nominal Diameter
No. of Cores	Core Cross sectional Area	Under metallic screen	Under metallic screen	Overall
No.	mm2	mm	mm	mm
1	16	14.7	16.6	21.0
1	25	15.9	17.8	22.0
1	35	16.9	18.8	23.0
1	50	18	19.9	24.0
1	70	19.7	21.6	26.0
1	95	21.2	23.1	27.0
1	120	22.8	24.7	29.0
1	150	24.2	26.1	30.0
1	185	25.9	27.8	32.0
1	240	28.2	30.1	34.0
1	300	30.2	32.1	37.0
1	400	33	34.9	40.0
1	500	36.4	38.3	43.0
1	630	40	41.9	47.0
1	800	43.7	45.6	51.0
1	1000	48	49.9	55.0

• Above mentioned parameters are based on 3k A/sec earth fault current capacity of copper screen

ELECTRICAL CHARACTERISTICS:

No.of Cores	Core Cross sectional Area	Max. DC Resistance at 20˚C	Max. AC Resistance at 90˚C	Approx. Capacitance	Approx. Inductance	Approx. Reactance	Continuous Current Rating
							In ground at 20℃		In Duct at 20℃		In air at 30℃
							Flat	Trefoil	Flat	Trefoil	Flat	Trefoil
No.	mm2	Ω/km	Ω/km	µF/km	mH/km	Ω/km	Amps
1	16	1.15	1.466	0.18	0.493	0.155	113	109	104	103	128	125
1	25	0.727	0.927	0.2	0.460	0.144	144	140	133	132	167	163
1	35	0.524	0.668	0.22	0.437	0.137	172	166	159	157	203	198
1	50	0.387	0.494	0.25	0.417	0.131	203	196	188	186	243	238
1	70	0.268	0.342	0.28	0.384	0.121	246	239	229	227	303	296
1	95	0.193	0.247	0.31	0.367	0.115	293	285	274	271	369	361
1	120	0.153	0.196	0.35	0.349	0.110	332	323	311	308	426	417
1	150	0.124	0.159	0.38	0.340	0.107	366	361	347	343	481	473
1	185	0.0991	0.128	0.41	0.328	0.103	410	406	391	387	550	543
1	240	0.0754	0.098	0.46	0.316	0.099	470	469	453	447	647	641
1	300	0.0601	0.079	0.5	0.306	0.096	524	526	510	504	739	735
1	400	0.047	0.063	0.56	0.296	0.093	572	590	571	564	837	845
1	500	0.0366	0.051	0.63	0.286	0.090	660	655	640	635	970	960
1	630	0.0283	0.042	0.7	0.278	0.087	735	730	715	710	1110	1100
1	800	0.0221	0.035	0.78	0.270	0.085	770	820	800	790	1260	1250
1	1000	0.0176	0.031	0.86	0.263	0.083	825	885	865	855	1420	1410

*: Current Ratings are based on IEC 60502-2 & IEC 60287, Max. Conductor Temperature at 90℃, Ambient temperature at 30℃ in Air / at 20℃ in Ground, Thermal resistivity of Soil 1.5 k.m/W & for earthenware ducts 1.2k.m/W and Depth of Laying 0.8m.

Current rating de-rating factors for other than 30℃ ambient air temperature.

20	25	35	40	45	50	55	60
1.08	1.04	0.96	0.91	0.87	0.82	0.76	0.71

Current rating de-rating factors for other than 20℃ ground temperature.

10	15	25	30	35	40	45	50
1.07	1.04	0.96	0.93	0.89	0.85	0.80	0.76

No.of Cores	Core Cross sectional Area	Max. pulling tension on conductor	Charging Current per phase	Zero sequence impedance	Electric Stress at Conductor Screen	Short circuit rating of Phase conductor
No.	mm²	kN	Amps/Km	Ohms/Km	kV/mm	kA, I sec
1	16	1.12	0.36	2.63	2.8	2.3
1	25	1.75	0.4	2.09	2.7	3.6
1	35	2.45	0.44	1.83	2.6	5.0
1	50	3.5	0.5	1.65	2.5	7.2
1	70	4.9	0.56	1.50	2.4	10.0
1	95	6.65	0.62	1.41	2.3	13.6
1	120	8.4	0.7	1.36	2.3	17.1
1	150	10.5	0.76	1.32	2.3	21.4
1	185	12.95	0.82	1.29	2.2	26.4
1	240	16.8	0.92	1.26	2.2	34.3
1	300	21	1	1.24	2.2	42.8
1	400	28	1.12	1.22	2.1	56.9
1	500	35	1.26	1.21	2.1	71.5
1	630	44.1	1.4	1.20	2.1	90.2
1	800	56	1.56	1.19	2.0	114
1	1000	70	1.72	1.19	2.0	143

MV Cable

MV cable 02