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APvPu Reinforced sheath
Power cables 6/10/35 kV IEC: NA2XSE2Y-U

APVPU

6-35 kV power cable with Al conductors and reinforced PE sheath

APvPu is a modification of APvP with a reinforced (increased-thickness) polyethylene outer sheath. The letter “u” in the designation stands for “reinforced sheath”. It is used for installation in ground where additional protection against mechanical damage and moisture is required: in highly corrosive soils, on routes at risk of ground movement, and on long underground runs. Designation breakdown: APv – Al conductor, XLPE insulation, Pu – reinforced polyethylene sheath.

Voltage 6 – 35 kV
Conductor Aluminium
Feature Reinforced sheath
Cross-section 25 – 800 mm²

APvPu PRODUCT RANGE

Sizes for 6/10 kV. Also produced for other voltages.

Type / sizeCoresCross-section, mm²VoltageCopper screen, mm²Outer Ø, mmWeight, kg/km
APvPu 1×251256/10 kV16——
APvPu 1×351356/10 kV16——
APvPu 1×501506/10 kV16——
APvPu 1×701706/10 kV16——
APvPu 1×951956/10 kV16——
APvPu 1×12011206/10 kV16——
APvPu 1×15011506/10 kV16——
APvPu 1×18511856/10 kV16——
APvPu 1×24012406/10 kV25——
Exact parameters of the reinforced sheath – see the TCG datasheet.

APvPu cable description

APvPu is a version of APvP with a polyethylene outer sheath of increased thickness. The reinforced sheath improves the cable's resistance to mechanical damage during installation and operation in ground, provides better protection against moisture ingress and extends service life on difficult routes. It is used in critical 35 kV lines, in areas with frequent lightning strikes, and for trunk cables of enhanced reliability.

The insulation, screens and electrical characteristics are the same as for APvP: cross-linked polyethylene (XLPE), semi-conducting conductor and insulation screens, and a copper wire screen. The only difference is the outer sheath.

Applications

Installation in ground in highly corrosive soils
Routes at risk of mechanical damage and ground movement
Long underground runs
6–35 kV cable lines with enhanced reliability requirements
Facilities where cable service life is critical

Construction

1

Conductor

Aluminium, stranded.

2

Semi-conducting conductor screen

3

Insulation

Cross-linked polyethylene (XLPE).

4

Semi-conducting insulation screen

5

Copper wire screen

6

Reinforced outer sheath

Polyethylene (PE) of increased thickness.

APvPu cross-section – XLPE insulation, reinforced PE sheath

Technical specifications

Rated voltage 6 / 10 / 15 / 20 / 35 kV
Conductor material Aluminium
Insulation Cross-linked PE (XLPE)
Sheath Polyethylene (PE), reinforced
Feature Increased-thickness sheath
Number of cores 1 or 3
Cross-sections 25 – 800 mm²
Standard GOST R 55025-2012 / O'z DSt IEC 60502-2

Detailed specifications – see the TCG datasheet

Operating conditions

Installation temperature not below -20°C
Operating temperature -30°C … +50°C (cables with PE sheath)
Max. conductor t° (continuous) +90°C
Max. conductor t° (short circuit) +250°C
Air humidity up to 98% at +35°C
Min. bending radius 15 × Ø (single-core), 25 × Ø (three-core)
Service life at least 30 years
Warranty 5 years
Climatic category UHL

DOCUMENTS

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