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XLPEinsulated armored power cables with copper or aluminum cores, with PE sheath

XLPEinsulated armored power cables with copper or aluminum cores, with PE sheath, with water-blocking elements

copper or aluminum, single- or multi-wire, round and sectoral shape, conforming to Class 1 or 2 as per GOST 22483

made of silane cross-linked PE

Insulated cores of multicore cables have distinguishing color

Neutral cores insulation is blue

Grounding core insulation is two-color (yellow and green)

insulated cores of two-, three-, four- and five-core cables are twisted with each other; cores of two-, three- and five-core cables are of the same cross-section, in four-core cables all the cores are of the same cross-section or one core (grounding or neutral) has smaller cross-section.

In cables insulated conductors are twisted and form the core around water-blocking yarns harness. Water-blocking tape covers the core with overlap

made of PVC compound

two steel zinc plated bands

made of PE

- for electrical energy transmission and distribution in stationary installations with rated voltage 660V AC, 1000V AC and 3000V AC, 50 Hz

- to be in ground in soil (raceways) independent from soil and ground water corrosivity, except for heaving and collapsible soils, as well as for cabling in soils with high soil dampness and for submarine cabling

Cables climatic category is NF and T, placement category 1 & 5 as per GOST 15150-69

Operating temperature range from -60°С to +50°С

Ambient relative humidity at +35°С up to 98%

Cable lying down and installation without preheating shall be performed at temperature not lower than -20°С

Min installation bending radius:

- for single-core cables – 10 times of cable OD

- for multi-core cables – up to 7.5 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

Continuous temperature of cable conductor heating during operation is +90°С

Cable conductor allowable heating during overload is no more than +130°С

Limiting cable conductor temperature at short-circuit (max duration is 5 s) is +250°С

Guarantee service life is 5 years (since cable commissioning)

Service life is at least 30 years