Home > Medium Voltage Power Cables > NA2XSRY 18/30 (36) kV Aluminum XLPE insulated Aluminum wire armored Cable

NA2XSRY 18/30 (36) kV Aluminum XLPE insulated Aluminum wire armored Cable

Application

Medium voltage 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: Aluminum, 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 from 1kV (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
1×50	8	2	2.2	38.6	1988	1702	0.387	0.641
1×70	8	2	2.2	40.3	2273	1858	0.268	0.443
1×95	8	2	2.3	42.3	2636	2062	0.193	0.32
1×120	8	2	2.3	43.5	2930	2204	0.153	0.253
1×150	8	2.5	2.4	46.4	3450	2552	0.124	0.206
1×185	8	2.5	2.5	48.3	3915	2785	0.0991	0.164
1×240	8	2.5	2.6	50.8	4574	3107	0.0754	0.125
1×300	8	2.5	2.6	53.2	5289	3450	0.0601	0.100
1×400	8	2.5	2.8	56.3	6295	3926	0.047	0.0778
1×500	8	2.5	2.8	59.9	7491	4484	0.0366	0.0605
1×630	8	2.5	3	64.2	9123	5219	0.0283	0.0469

Application and case display

FAQ

What temperature can high-temperature resistant cables reach, and what are their application scenarios?

What is the service life of cables?

How do you calculate the minimum bending radius of cables?

What is the validity period for the offer of cable?

Flame Retardant Cables VS Fire Resistant Cables?

Longitudinal Water Blocking vs. Lateral Water Blocking?

A longitudinally water blocking cable is designed with a barrier to prevent the spread of moisture along its length. Longitudinal water blocking stops water from migrating along the cable's core, typically between the conductor strands, insulation layers, or metallic screens. Lateral water blocking ensures that water cannot penetrate the cable in the event that the sheathing is pierced or damaged. Radial water blocking prevents water from penetrating the cable's outer sheath or insulation layers, thereby stopping it from entering the cable structure entirely. Longitudinal water blocking can be achieved through various methods, including the application of water-blocking tapes and powders. These are frequently located on either side of a metallic screen and conductor. Lateral water blocking is typically accomplished by applying a layer of aluminum/polyester tape to the underside of the outer sheath.

How long is the validity period of cold shrink cable accessories?

The validity period for most cold shrink cable accessories is typically 3 years from the date of manufacture, provided they are stored under recommended conditions. These conditions usually include controlled humidity and temperature ranges.

Is a flame-retardant cable also fire resistant?

No. A flame-retardant cable is not the same as a fire-resistant cable. A flame-retardant cable is designed to restrict the spread of fire by inhibiting combustion. Fire-resistant cables, on the other hand, maintain circuit integrity and continue to function for a specified time under defined fire conditions.

Why do cable prices vary significantly among suppliers within the same region?

Cable prices vary due to differences in supplier strategies, competition, raw materials, and production processes, as well as after-sales services, including installation, equipment, and ongoing support.

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.

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

NA2XSRY 18/30 (36) kV Aluminum XLPE insulated Aluminum wire armored Cable

Product Parameters

Application and case display

FAQ

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