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AVT / АВТ – wires with supporting steel rope

Technical Specifications

  • AVT steel wires corresponds with ТU 16.К71-015-87 (Company Standard);
  • Maximum working temperature of AVT wire is from -50°C to +50°C;
  • Maximum relative humidity of AVT wire at +40°С temperature is 98%;
  • Electric resistance of lead cores of the AVT wire to DC, converted to 1 km length at the temperature +20°С; in shipment and delivery has to correspond with GOST 22483-77 (State Standard); in operation - time and storage – the value to be 20% more than stated in GOST 22483-77;
  • Test DC voltage of the wire as per category EI-1 GOST 23286-78 (State Standard) without immersing into water;
  • Test AC voltage of the wire at 50 Hz frequency within 15 min with immersing into water without preliminary soaking the wire in the water is 2500 V;
  • Maximum working temperature of lead core of the AVT wire is 70°C;
  • Breaking load of the strength rope, not less than 2300 N;
  • Operating period of the cables is not less than 7 years. Actual life time is not limited by this time, but to be defined by cable technical condition;
  • Factory length of AVT wire is not less than 110 m.

Structure

  • Lead core made of Aluminum type AM and APM and corresponds with GOST 22483-77 (State Standard) with a core section 2,5 – 10 mm2 for class 1 and a core section 16 mm2 – not less than class 2;
  • Insulation of the lead cores made from black color PVC incombustible elastron;
  • Insulation of the supporting steel rope corresponds with GOST 3062-80 (State Standard);
  • Steel strength rope made from black color PVC incombustible elastron;
  • Insulated lead cores twisted around insulated steel rope.

Applications

Wires with a steel rope are proposed for distributing and transferring electric energy in power and lighting networks with voltage up to 380 V at 50 Hz frequency. AVT wires designed for external laying as well as entering into houses and premises according in the district of 1st and 2nd glare ice classification.

Order arrange table

Model

Weight of 1km of the wire, kg

Maximum outer diameter, mm

Factory Length, m

AVT 2х2,5

44,8

9,3

110

AVT 3х2,5

61,1

9,4

110

AVT 4х2,5

90,1

10,2

110

AVT 2х4

63,8

11,1

110

AVT 3х4

89,6

11,2

110

AVT 4х4

115,4

11,3

110

AVT 4х6

147,3

12,3

110

AVT 4х10

228,2

14,8

110

AVT 4х16

242,2

18,3

110

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