Home > Medium Voltage Power Cables > N2XSRY 12/20 (24) kV Copper XLPE insulated Aluminum wire armored Cable

N2XSRY 12/20 (24) kV Copper XLPE insulated Aluminum wire armored Cable

Application

Medium voltage N2XSRY cables for distribution networks.They are suitable for laying Indoor,tunnel,cable trench,shaft or buried laying,The cable can withstand mechanical external forces and a certain tensile force,it widely used in transformer stations,electric power plants and industrial plants.

Construction

Conductor: Copper ,class 2,circular compacted conductors
Conductor screen: Non-metallic,semi-conducting compound
Insulation: Cross-Linked polyethylene(XLPE)
Insulation screen: Non-metallic,semi-conducting compound
Metallic screen: Copper tape
Inner sheath: Polyvinyl chloride(PVC)
Armour: Aluminum wire
Outer sheath: Polyvinyl chloride(PVC)

Main Characteristics

Good electrical and mechanical properties.
Minimal dielectric loss,high insulation resistance.

Specification

IEC 60228 Conductors of Insulated Cables.
IEC 60502-2 Power Cables with Extruded Insulation and Their Accessories for Rated Voltages from1kV (Um=1.2kV) up to 30kV (Um=36kV)-Part 2: Cables for Rated Voltages from 6kV (Um=7.2kV) up to 30kV (Um=36kV)

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No.of Cores and Nominal Cross Section	Nominal Insulation Thickness	Nominal Aluminum Wire Diameter	Nominal Sheath Thickness	Approx. Overall Diameter	Approx. Weight		Max.D.C. Resistance of Conductor at 20℃
No.of Cores and Nominal Cross Section	Nominal Insulation Thickness	Nominal Aluminum Wire Diameter	Nominal Sheath Thickness	Approx. Overall Diameter	Cu	Al	Cu	Al
mm²	mm	mm	mm	mm	kg/km	kg/km	Ω/km	Ω/km
1×35	5.5	1.6	1.9	31.1	1351	1140	0.524	0.868
1×50	5.5	1.6	2	32.4	1529	1243	0.387	0.641
1×70	5.5	2	2.1	35.1	1899	1485	0.268	0.443
1×95	5.5	2	2.1	36.9	2230	1656	0.193	0.32
1×120	5.5	2	2.2	38.3	2522	1796	0.153	0.253
1×150	5.5	2	2.2	39.8	2854	1956	0.124	0.206
1×185	5.5	2	2.3	41.7	3292	2161	0.0991	0.164
1×240	5.5	2	2.3	44	3916	2449	0.0754	0.125
1×300	5.5	2.5	2.5	47.8	4776	2937	0.0601	0.100
1×400	5.5	2.5	2.6	50.7	5719	3350	0.047	0.0778
1×500	5.5	2.5	2.7	54.5	6919	3912	0.0366	0.0605
1×630	5.5	2.5	2.8	58.6	8474	4570	0.0283	0.0469

Application and case display

FAQ

What is the application of Armored vs. Unarmored Cables?

What is the purpose of a metallic shield in MV and HV cables?

What is the minimum order quantity for the product?

Armored vs. Unarmored Cables?

How do you calculate the minimum bending radius of cables?

Flame Retardant Cables VS Fire Resistant Cables?

Both types of cables are crucial in enhancing the likelihood of escape and survival in the event of a fire and are often confused with one another. However, there is a fundamental distinction between flame retardant cables and fire resistant cables. Flame retardant cables are engineered to inhibit the spread of fire to adjacent areas. On the other hand, fire resistant cables are specifically designed to preserve circuit integrity and ensure functionality during a fire, under specified conditions, aiding both evacuees and firefighters.

What is the operating temperature of the cable?

The operating temperature of a cable is determined by the insulation and sheathing material. PVC has a range of -15°C to 70°C, XLPE can reach up to 90°C, while silicone rubber can handle temperatures from -60°C to 180°C.

How do you calculate the minimum bending radius of cables?

The bend radius refers to the curved shape in which an electrical cable can be bent or curved without sustaining damage. To determine the minimum bend radius for cables, apply the following formula: Minimum Bend Radius = Cable Outer Diameter×Cable Multiplier. For example, if the outer diameter of a cable is 20mm, its minimum bending radius would be 20mm×6 = 120mm. Conversely, if an armored cable has an outer diameter of 30mm, its minimum bending radius would be 30mm×12 = 360mm.

What is the application of Armored vs. Unarmored Cables?

Armored cables are suitable for use in hazardous environments, such as underground installations, areas with high moisture levels, and areas prone to mechanical damage. Unarmored cables are suitable for less demanding applications, such as inside walls or other protected locations.

What is the service life of cables?

The design life of power cables is typically 20 to 30 years; however, this can vary significantly based on factors such as installation, environmental conditions, and the quality of the cable.

Get in Touch With Our Team

We're here to answer any questions you may have about our products, services, or technical specifications.

Tel: +86-371-63395670

Email: info@starsunelectric.com

Address: No. 1207, Building B, No. 96 Kangning Street, Zhengdong New District, Zhengzhou, China

N2XSRY 12/20 (24) kV Copper XLPE insulated Aluminum wire armored Cable

Product Parameters

Application and case display

FAQ

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