CABLES AND WIRES - Novkabel

ТБТЗБLow-frequency subscriber cable with paper insulationStandard: PSNCONSTRUCTIONConductor: soft annealedcopper wire of 0,5 and 0,64 mmdiameter.Insulation: wrapped with papertape.Twisting elements: pairs.Cable core: group or concentricstranded.Core wrapping: paper tapes inseveral layers.Sheath: seamless lead pipe.Armour: impregnated papertapes, bitumen, steel tapes,bitumen, impregnated gunny,chalk, talc.Conductor: soft annealedcopper wire of 0,9 and 1,2 mmdiameter.Insulation: wrapped with papercordell and paper tape.Twisting elements: starquads wrapped with cottonthreads.Cable core: concentricstranded.Core wrapping: paper tapes inseveral layers.Sheath: seamless lead pipe.Armour: impregnated papertapes, bitumen, steel tapes,bitumen, impregnated gunny,chalk, talc.APPLICATIONThe local network for subscriber lines (TБ) and the network group(TЗБ). The cable is laid in cable drains or directly into the groundwhen the cable is subjected to pressure or traction forces, and donot expect any increased electro-magnetic influence.ELECTRICAL CHARACTERISTICS FOR ТБValue forCharacteristicUnit0,5 mm 0,64 mmConductor resistance, max Ω/km 95 58115Mutual capacitance, max nF/km 52 50Insulation resistance, min GΩ km 8 8Dielectric strengthwire/wire (2 minute)wire/screen (2 minute)V DS 750750750750ELECTRICAL CHARACTERISTICS FOR ТЗБCharacteristicUnitValue for0,9 mm 1,2 mmConductor resistance, max Ω/km 28,3 15,9Mutual capacitance, max nF/km 38 38Insulation resistance, min GΩ km 8 8Dielectric strengthwire/wire (2 minute)wire/screen (2 minute)Veff 700180010001800