Home > Medium Voltage Power Cables > N2XSERY Three core 12/20 (24) kV Copper XLPE insulated Copper wire shielded Steel wire armored Cable
N2XSERY-Cable
N2XSERY-Cable

N2XSERY Three core 12/20 (24) kV Copper XLPE insulated Copper wire shielded Steel wire armored Cable

Application

Medium voltage N2XSERY 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 wire
  • Filler:Non-hygroscopic material
  • Inner sheath:Polyvinyl chloride(PVC)
  • Armour:Steel wire
  • Outer sheath:Polyvinyl chloride(PVC)
Main Characteristics
  • Good electrical and mechanical properties.
  • Minimal dielectric loss,high insulation resistance.
Specification

IEC60228 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 of 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 Steel 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
3×35 5.5 2.5 2.9 64.8 6432 5794 0.524 0.868
3×50 5.5 2.5 3 67.6 7082 6219 0.387 0.641
3×70 5.5 2.5 3.1 71.7 8126 6878 0.268 0.443
3×95 5.5 2.5 3.3 75.9 9298 7567 0.193 0.32
3×120 5.5 3.15 3.4 80.2 11273 9083 0.153 0.253
3×150 5.5 3.15 3.5 83.9 12756 10050 0.124 0.206
3×185 5.5 3.15 3.7 88 14332 10923 0.0991 0.164
3×240 5.5 3.15 3.8 93.3 16535 12112 0.0754 0.125
3×300 5.5 3.15 4.0 98.7 19055 13511 0.0601 0.100
3×400 5.5 3.15 4.2 105.1 22523 15381 0.047 0.0778
3×500 5.5 3.15 4.5 113.6 26767 17701 0.0366 0.0605
3×630 5.5 3.15 4.7 122.2 31814 20042 0.0283 0.0469

Application and case display

FAQ

What is the minimum order quantity for the product?
Why do cable prices vary significantly among suppliers within the same region?
What is the application of Armored vs. Unarmored Cables?
What is the operating temperature of the cable?
What is the service life of cables?
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 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.
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.
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.
What is the length tolerance for cables?
The tolerance for the power cable is 0 to +0.5%. For the bare conductor, the tolerance is ±5%.

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