1. Use of PVC insulated PVC sheathed power cable: Suitable for fixed laying on AC 50hz, rated voltage 0.6/1kV and below transmission and distribution routes. 2. PVC insulated PVC sheathed power cable features: Besides having reliable electrical performance, the cable also has strong chemical corrosion resistance, acid, alkali and organic solvents, and the cable is not limited by the laying gap. Lay in any fall or even vertical situation. 3, PVC insulated PVC sheathed power cable working temperature: 0 °C ~ +70 °C 4, PVC insulated PVC sheathed power cable product model, name and related instructions 1vv vlv Copper (aluminum) core PVC insulated PVC sheathed power cable is suitable for laying in the indoor, cable channels, pipelines Can not be affected by mechanical external force 2vv22 vlv22 Copper (Aluminum) core PVC insulated steel tape armored PVC sheathed power cable is suitable for direct underground, the cable can withstand mechanical external force, but can not be subject to large tensile force 3zr-vv zr-vlv copper (aluminum) core PVC insulated flame-retardant PVC sheathed power cable for flame retardant applications on transmission and distribution 4zr-vv22 zr-vlvv copper (aluminum) core PVC insulated steel strip armored flame-retardant PVC sheathed power cable for flame retardant applications on transmission and distribution 5. Main technical characteristics of PVC insulated PVC sheathed power cable (1) The finished cable can withstand the AC 50hz at room temperature, and the voltage test for 3.5kv for 5 minutes without breakdown. (2) The long-term allowable working temperature of the cable shall not exceed 70°C. The laying temperature shall not be lower than 0°C. The bending radius shall not be less than 10 times the outer diameter of the cable. (3) DC 50hz of conductive cable core of finished cable, when converted to nominal cross section of 1mm2, length of 1m and temperature of +20°C, copper core should be no more than 0.0184, and aluminum core should not exceed 0.031ω. (4) The insulation resistance of the finished cable shall be in accordance with the following table when converted to 1m and temperature +20°C. Model Name Rated Voltage (v) Main Use Tjhf4b PTFE insulation high temperature power cable fixed installation below 1000v Tjhf4br Polytetrafluoroethylene Insulated High-Soft Power Cable 500v 5. Main technical characteristics of PVC insulated PVC sheathed power cable (1) Rated voltage: AC 50hz, 1000v and below (2) The insulated core can withstand AC 50hz, 3000v voltage test for 5min without breakdown (3) The cable insulation resistance is not less than 10mω km when +20 (4) Long-term operation of cables at ambient temperatures of +220°C (5) After the cable passes through various experiments such as low temperature, water immersion, high temperature, and combustion, its technical and mechanical properties will not change. 6. Cross section of the (3+1)-core cable (neutral conductor) Specifies the main conductor: 2.5 4 6 10 16 25 35 50 70 95 120 150 (3+1) Neutral: 1.5 2.5 4 6 6 10 10 16 25 35 35 50 Third, flame-retardant power cable 1, flame-retardant power cable use (1) This product is mainly applied to lighting equipment with high flame-retardant requirements in rated voltage 600/1000v and below. (2) Cable flame retardant index: oxygen index ≥ 30 (3) The long-term operating temperature of the cable should not exceed 70°C (4) When laying the cable, the temperature should not be lower than 0°C, and the bending radius should not be less than 10 times the outer diameter of the cable. 2. Flame-retardant power cable cable model, name and scope of use Zr-vv Flame-retardant PVC insulated, PVC sheathed power cable zr-vvr Flame-retardant PVC insulated, PVC sheathed soft power cable zr-yv Flame-retardant polyethylene insulation, PVC Sheathed power cable zr-uvr Flame retardant polyethylene insulated, PVC sheathed soft power cable zr-vv22 Flame retardant PVC insulated, steel tape armored PVC sheathed power cable zr-yv22 flame retardant Polyethylene insulated, steel tape armored PVC sheathed power cable Range of use: It can be laid indoors, in cable trenches, in pipelines and in flammable places. Steel tape armor type can withstand greater pressure, but can not withstand the role of tension. kaiping aida sanitary ware technology co.,ltd , https://www.kpfaucets.com
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