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

NA2XSEY Three Core 18/30 (36) kV Aluminum XLPE insulated Copper wire 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 wire
  • 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 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 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 Ω/km
3×50 8.0 3.2 70.3 4504 3641 0.387 0.641
3×70 8.0 3.3 74.2 5328 4079 0.268 0.443
3×95 8.0 3.4 78.2 6316 4585 0.193 0.320
3×120 8.0 3.5 81.0 7214 5024 0.153 0.253
3×150 8.0 3.6 84.5 8473 5768 0.124 0.206
3×185 8.0 3.7 88.4 9760 6352 0.0991 0.164
3×240 8.0 3.9 93.7 11648 7225 0.0754 0.125
3×300 8.0 4.0 98.7 13764 8221 0.0601 0.100
3×400 8.0 4.3 105.1 16911 9768 0.047 0.0778
3×500 8.0 4.5 113.0 20487 11421 0.0366 0.0605
3×630 8.0 4.7 121.4 24954 13182 0.0283 0.0469

Application and case display

FAQ

What is the operating temperature of the cable?
How Do Water-Blocking Cables Work?
What is the length tolerance for cables?
What is the service life of cables?
How long is the validity period of cold shrink cable accessories?
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.
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.
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 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.

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