Metallic cables

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

Strana 20 z 124







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5.4 (0..x4x0. Transmission element each cores are twisted star quad, the quads are stranded units, the units are stranded the cable core. 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. years D outside cable diameter Packing drums. 5. 1.6 0. .0 Insulation resistance min. TELECOMMUNICATION 3. 10D Cable lifetime min. Laminated aluminium foil.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.4 0. Crepe paper. outer jacket, black. min. 2. 4. Copper wire. 6. Cable core filled.6; 0.0 72. loop resistance Ω/km 300.8 Max. Core insulation foam skin PE.0 130.. GΩ. Filling material.km min.20 TK GM . Vss 250 250 250 Description materials: 1. Electrical parameters (20 °C) Conductor diameter 0. min