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Polyethylene-sheath three-core cables with aluminum or copper cores, XLPE-insulated


copper or aluminum, multi-wire, compacted, round-shape, conforming to Class 2 as per GOST 22483

made of electrically conductive XLPE

made of XLPE

made of electrically conductive XLPE

made of electrically conductive non-woven fabric or paper

copper wires layer covered by spiral copper screen

NYM uncured rubber compound or PVC compound

made of polyethylene, cable grade NА2XSE2Y+ has reinforced sheath made of high-density polyethylene

Cables are intended for electrical energy transmission and distribution in stationary installations with solidly grounded neutral and insulated systems with rated voltage 6, 10, 15, 20, 30, 35kV AC, 50 Hz. Cables, protected against mechanical damages, are designed to be in ground (in raceways)

Cable climatic version placement category 1 and 2 as per GOST 15150-69

Working temperature range: -60°С to +50°С

Cable lying down and installation without preheating shall be performed at temperature not lower than:

- for cables with PE sheath is -20°С

- for cables with PVC sheath is -15°С

Min installation bending radius:

- for three-core cables – 12 times of cable OD

Max allowable forces developed during cable pulling along the path:

- for aluminum-core cables – 30 N/mm2

- for copper-core cables – 50 N/mm2

Allowable cable core heating temperatures:

- 90°С during normal operation of cable core

- 130°С for SC overload (duration of overload operation shall be 100 h per year and no more than 1000 h per life cycle)

- 250°С when SC current flows in the core (max duration is 5 s)

- 350°С for copper screen in the case of single-phase short-circuit (max duration is 5 s)

Guarantee period is 5 years (from the date of cable commissioning)

Service life is 30 years