This product is copper core polyethylene insulated communications cables in the city, produced according to YD / T322-2013 standards, mainly used for signal transmission between equipment, as well as rail transit, cableway and other projects, with complete specifications, the structure of diversified features. This series of products include filled and metal armor structure, with anti-aging, waterproof, anti-external stress and other characteristics, with a small attenuation, stable impedance, high shielding effect of electrical properties. It retains its excellent electrical and mechanical properties in a complex environment with more reliable performance than conventional cables.
Structure
conductor diameter | φ0.4±0.01mm | φ0.5±0.01mm |
Insulation color | White,red,black,yellow,purple | White,red,black,yellow,purple |
Insulation voltage | 1.5-6kv DC spark | 1.5-6kv DC spark |
Insulation resistance | ≧3000MΩ/km | ≧3000MΩ/km |
Standard Cover thickness | 1.4mm±0.02mm | 1.4mm±0.02mm |
Cable Max external diameter | 12.5mm±0.02mm | 14mm±0.02mm |
Direct current resistance | Test when 20 ℃ | Test when 20 ℃ |
Water seepage performance | No water seepage | No water seepage |
Working capacitance | 52.0±2.0nF/km | 52.0±2.0nF/km |
Drip performance | No filled outflow | No filled outflow |
Working temperature | -30-60℃ | -30-60℃ |
Durable years | 15 years for normal use | 15 years for normal use |