Home > Medium Voltage Power Cables > NA2XS(F)2Y 18/30 (36) kV Aluminium XLPE insulated MDPE Cable
NA2XS(F)2Y-Cable
NA2XS(F)2Y-Cable

NA2XS(F)2Y 18/30 (36) kV Aluminium XLPE insulated MDPE Cable

Application

NA2XS(F)2Y Water-blocking medium voltage power cables are designed for distribution networks and generation units, and are suitable for external installation, includingdirect burial in the ground and in cable ducts.

Construction
  • Conductor: Class 2 Stranded Aluminium
  • Conductor Screen: Semi-conductive material
  • Insulation: XLPE (Cross-Linked Polyethylene)
  • Insulation Screen: Semi-conductive material
  • Longitudinal Waterblocking: Semi-conductive swellable tape
  • Screen: Copper wires and copper tape
  • Longitudinal Waterblocking: Swellable Tapes
  • Outer Sheath: MDPE (Medium Density Polyethylene)
Main Characteristics
  • Permissible Conductor Operating Temperature: +90°C
  • Permissible Short Circuit Temperature up to 5 sec: 250°C
  • Minimum Bending Radius: 15 x overall diameter
Specification

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) and 30kV (Um=36kV)

IEC 60228 specifies the nominal cross-sectional areas, in the range 0,5 mm2 to 3 500 mm2,for conductors in electric power cables and cords of a wide range of types.

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Product Parameters

No.of cores x Nominal cross sectional area Nominal Conductor Diameter Nominal Insulation Thickness Minimum Insulation Thickness Nominal Sheath Thickness Minimum Sheath Thickness Nominal Overall Diameter Nominal Weight Conductor Dc Resistance At 20℃
No. x mm² mm mm mm mm mm mm Kg/km ohms/km
1×50/16 8.2 8 7.1 2 1.4 32 1000 0.641
1×70/16 9.7 8 7.1 2 1.4 34 1100 0.443
1×95/16 11.4 8 7.1 2.1 1.48 36 1300 0.32
1×120/16 12.65 8 7.1 2.1 1.48 37 1400 0.258
1×150/25 14.4 8 7.1 2.2 1.56 39 1600 0.203
1×185/25 15.75 8 7.1 2.2 1.56 41 1800 0.164
1×240/25 18.2 8 7.1 2.3 1.64 43 2000 0.125
1×300/25 20.5 8 7.1 2.4 1.72 46 2250 0.1
1×400/35 23 8 7.1 2.5 1.8 49 2750 0.0778
1×500/35 26 8 7.1 2.6 1.88 52 3250 0.0605
1×630/35 30.2 8 7.1 2.7 1.96 56 3750 0.0469

Application and case display

FAQ

How Do Water-Blocking Cables Work?
Longitudinal Water Blocking vs. Lateral Water Blocking?
What is the operating temperature of the cable?
How Do Water-Blocking Cables Work?
Water-blocking cables are essential for ensuring reliable operation in environments with high levels of moisture or frequent water contact. These cables employ water-blocking techniques to effectively prevent water ingress, protecting them from damage and prolonging their lifespan.
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.
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.

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