Home > Medium Voltage Power Cables > NA2XSRY 8.7/15 (17.5) kV Aluminum XLPE insulated Aluminum wire armored Cable
NA2XSRY-Cable
NA2XSRY-Cable

NA2XSRY 8.7/15 (17.5) 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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Product Parameters

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℃
Cu Al Cu Al
mm² mm mm mm mm kg/km kg/km Ω/km Ω/km
1×25 4.5 1.6 1.8 27.7 1075 922 0.727 1.2
1×35 4.5 1.6 1.9 28.9 1215 1004 0.524 0.868
1×50 4.5 1.6 1.9 30 1381 1094 0.387 0.641
1×70 4.5 1.6 2 31.9 1658 1244 0.268 0.443
1×95 4.5 2 2.1 34.7 2070 1496 0.193 0.32
1×120 4.5 2 2.1 35.9 2350 1623 0.153 0.253
1×150 4.5 2 2.1 37.4 2667 1769 0.124 0.206
1×185 4.5 2 2.2 39.3 3106 1976 0.0991 0.164
1×240 4.5 2 2.3 41.8 3732 2265 0.0754 0.125
1×300 4.5 2 2.3 44.0 4390 2551 0.0501 0.100
1×400 4.5 2.5 2.5 48.3 5501 3132 0.047 0.0778
1×500 4.5 2.5 2.6 52.1 6672 3665 0.0366 0.0605
1×630 4.5 2.5 2.7 56 8199 4295 0.0283 0.0469

Application and case display

FAQ

How Do Water-Blocking Cables Work?
Flame Retardant Cables VS Fire Resistant Cables?
What are the benefits of EPR material?
What is the length tolerance for cables?
How do you calculate the minimum bending radius of cables?
What are the benefits of EPR material?
EPR is widely used as an insulation material for electric cables due to its high dielectric strength, and it also serves as a sheathing material with excellent ozone and weathering resistance. EPR has a wide thermal range, typically spanning from -55°C to 150°C. Unlike other organic rubbers, there is no need to tin the copper conductor to prevent deterioration of the rubber.
What is the purpose of a metallic shield in MV and HV cables?
Medium and high voltage power cables, typically those in circuits exceeding 2kV, usually feature a shield layer made of copper or aluminum tape. Similar to their use in low voltage cables, metallic wires and tapes are employed to prevent electromagnetic interference. These shields effectively neutralize or significantly diminish the field currents surrounding the conductor or core. The capacitive and inductive charging currents induced under normal operating conditions are subsequently grounded by the metallic screen.
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 validity period for the offer of cable?
Typically, the offer is valid for 7 to 30 days, and the price will be adjusted according to the cost of raw materials and the exchange rate.
Armored vs. Unarmored Cables?
Armored cables are ideal for direct burial and laying underground, offering protection against environmental factors. Unarmored cables are unsuitable for burial or use in other challenging applications and installations.

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