Metallic cables

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Vydal: KABELOVNA DĚČÍN PODMOKLY, S.R.O.

Strana 20 z 124







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Vss 250 250 250 Description materials: 1. 6. Crepe paper.8 Max. Filling material. outer jacket, black. Laminated aluminium foil.0 72.0 130. GΩ. Cable core filled. 5 Mutual capacitance nF/km 42 Capacity unbalance k1 at 800 pF/500 800 800 300 Effective test voltage wire/wire 500 500 500 Effective test voltage wire/shield 2,000 2,000 2,000 Operating voltage max.6 0. 10D Cable lifetime min. 4. Copper wire.20 TK GM .8) Specification: PTT 7/81 Application » local network » can laid into cable ductand and directly into ground Environmental conditions Temperature ranges for laying and assembly –10 +60 °C Operation and store temperatures –40 +70 °C Permitted minimum bending radius min. min. Core insulation foam skin PE. Transmission element each cores are twisted star quad, the quads are stranded units, the units are stranded the cable core.4 0. 5.6; 0. 1.km min. years D outside cable diameter Packing drums. .. loop resistance Ω/km 300. Electrical parameters (20 °C) Conductor diameter 0. 2. 5.. TELECOMMUNICATION 3. min.0 Insulation resistance min.x4x0.4 (0