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Copper cable
СБЗЭПу
DESCRIPTION:
Signal and blocking cables are designed for railway circuits, electrical installations for signaling, interlocking, blocking, fire alarm, telegraph and automation with a nominal AC voltage of 380 V or DC voltage of 700 V.

REGULATORY DOCUMENTS: Technical Specifications (TU) BY 800003452.008-2009
      Order

      1. Conductive copper core;
      2. Core insulation – polyethylene;
      3. Tinned wire;
      4. Core wrapping – polyethylene terephthalate film;
      5. Hydrophobic filler;
      6. Screen – aluminium polyethylene tape;
      7. Outer sheath – polyethylene.

      • Cable construction details
          • Conductive core diameter – 1.0 mm
          • Number of conductive core pairs – 2; 3; 4; 6; 7; 10; 12; 14; 19; 24; 27; 30
        • Electrical specifications
          • DC electrical resistance of the core per 1 km length and the temperature of 20 °С is max 23.3 Ohm
          • Electrical insulation resistance of conductive cores calculated per 1 km length and temperature of 20 0С is min 5000 MOhm
          • Test voltage between cores for 1 min: 0.05 DC - 2500 V: 3500 V
          • Working capacity at a length of 1 km, max 60 nF
        • Technical parameters of the cable
          • Operating temperature range is from -50 to 60 °С
          • Service time – not less than 20 years
        Calculated values of the diameter and weight of the cable type СБЗЭПу
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