Home > Medium Voltage Power Cables > NA2XSEY Three Core 18/30 (36) kV Aluminum XLPE insulated Copper tape shielded Cable
NA2XSEY-Cable
NA2XSEY-Cable

NA2XSEY Three Core 18/30 (36) kV Aluminum XLPE insulated Copper tape shielded Cable

Application

Medium voltage NA2XSEY cables for distribution networks, also for connection to generation units and plant and process connection. To be laid directly in ground, outdoors, indoors and in cable ducts.

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
  • Filler: Non-hygroscopic material
  • Binder: Non-hygroscopic material
  • 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 form 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 Sheath Thickness Approx. Overall Diameter Approx.Weight Max.D.C. Resistance of Conductor at 20℃
Cu Al Cu Al
mm² mm mm mm kg/km kg/km Ω/km kg/km
3×50 8.0 3.1 66 4165 3301 0.387 0.641
3×70 8.0 3.2 69.9 4997 3748 0.268 0.443
3×95 8.0 3.4 74.1 6027 4297 0.193 0.32
3×120 8.0 3.5 76.9 6932 4742 0.153 0.253
3×150 8.0 3.6 80.4 7960 5254 0.124 0.206
3×185 8.0 3.7 84.2 9257 5848 0.0991 0.164
3×240 8.0 3.8 89.4 11117 6694 0.0754 0.125
3×300 8.0 4.0 94.6 13288 7744 0.0601 0.100
3×400 8.0 4.2 100.8 16118 8976 0.047 0.0778
3×500 8.0 4.4 108.7 19712 10646 0.0366 0.0605
3×630 8.0 4.7 117.3 24250 12478 0.0283 0.0469

Application and case display

FAQ

What is the operating temperature of the cable?
What is the length tolerance for cables?
Armored vs. Unarmored Cables?
What is the service life of cables?
What is the purpose of a metallic shield in MV and HV cables?
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.
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.
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%.
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.

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