СИПн-4 — self-supporting insulated wire, non-spreading combustion
Длительно допустимая температура в процессе эксплуатации 90ºС
Срок службы не менее 45 лет
Структура
Core materialaluminum
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Core - aluminum, multi-wire, round, compacted (there is no separate carrier core in the structure)
Insulation - thermoplastic light-stabilized ПВД
Назначение for transmission and distribution of electricity in overhead power lines and branches to inputs to residential buildings and outbuildings
Условия эксплуатации и монтажа

Operating and installation conditions
operating temperature – from -50 to +50 °C;
gasket temperature-not less than -20 °C;
permissible heating temperature of conductive cores, °C:
in normal operation — 70
in overload mode (up to 8 hours a day) – 80
short circuit with short-circuit current up to 5 seconds — 135
breaking strength of the phase wire, kN, not less:
with a cable cross-section of 25 mm2 — 4.1;
with a cable cross-section of 50 mm2 — 7.3;
with a cable cross-section of 95 mm2 — 13.7.

Электрические характеристики
Наименования характеристики Значение
rated operating voltage0,66 кВ или 1 кВ
the frequency of the AC50 Гц
electrical resistance of conducting wires to direct current for 1 km of length at a temperature of 20 °C, omno more
with a core cross-section of 25 mm21,200
with a core cross-section of 50mm20,641
with a core cross-section of 95mm20,320
when the cross section of the phase core is 25 mm2115
when the cross section of the phase core is 50mm2180
when the cross section of the phase core is 95mm2280

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