全塑市话电缆通信电缆型号zr-hpvv电缆_zr-hjvv电缆_zr-hjvvp电缆_zr-hyv电缆_za-hjvv电缆_za-hjvvp电缆配线电缆型号hpvvzr-hpvv局用电缆型号hjvvhjvvpzr-hjvvzr-hjvvp铠装通信电缆型号hya53wdz-hya53zrc-hya53填充式铠装通信电缆型号hyat53wdz-hyat53zrc-hyat53其它铠装通信电缆型号hya22hyv22hyat22hyy23hyyt23hya23hyat23钢丝铠装通信电缆hya33hyat33wdz-hya53hyy33hyyt33hyy33珠江电线充油通信电缆hyatzrc-hyatwdz-hyathyyt全塑市话电缆执行规范:yd/t322-1996全塑市话电缆结构特点:hya型市内通信电缆采用全色谱高密度聚乙稀绝缘,铝塑综合护套(即电缆的纵包屏蔽铝带与护套粘结成一体,形成密封护层),具有电气性能优越,施工方便的特点。全塑市话电缆主要电气性能:1.直流电阻:20℃,0.4≤148?/km0.5≤95.0?/km0阻燃通信电缆_zr-hpvv电缆_zr-hjvv电缆_zr-hjvvp电缆_zr-hyv电缆_za-hjvv电缆_za-hjvvp电缆的详细介绍全塑市话电缆通信电缆型号zr-hpvv电缆_zr-hjvv电缆_zr-hjvvp电缆_zr-hyv电缆_za-hjvv电缆_za-hjvvp电缆配线电缆型号hpvvzr-hpvv局用电缆型号hjvvhjvvpzr-hjvvzr-hjvvp铠装通信电缆型号hya53wdz-hya53zrc-hya53填充式铠装通信电缆型号hyat53wdz-hyat53zrc-hyat53其它铠装通信电缆型号hya22hyv22hyat22hyy23hyyt23hya23hyat23钢丝铠装通信电缆hya33hyat33wdz-hya53hyy33hyyt33hyy33充油通信电缆hyatzrc-hyatwdz-hyathyyt全塑市话电缆执行规范:yd/t322-1996全塑市话电缆结构特点:hya型市内通信电缆采用全色谱高密度聚乙稀绝缘,铝塑综合护套(即电缆的纵包屏蔽铝带与护套粘结成一体,形成密封护层),具有电气性能优越,施工方便的特点。全塑市话电缆主要电气性能:1.直流电阻:20℃,0.4≤148?/km0.5≤95.0?/km0.6≤65.8?/km0.8≤36.6?/km2.绝缘电气强度:导体之间1min1kv不击穿导体与屏蔽1min3kv不击穿3.绝缘电阻:每根芯线与其余线芯接地,充气电缆大于10000mΩ.km,填充式电缆大于3000mΩ.km4.工作电容:平均值52±2nf/km5.远端串音防卫度:150khz时指定组合的功率平均值大于69db/km全塑市话电缆通信电缆型号hyahyachyathpvvhyvhjvvhyi配线电缆型号hpvvzr-hpvv局用电缆型号hjvvhjvvpzr-hjvvzr-hjvvp铠装通信电缆型号hya53wdz-hya53zrc-hya53填充式铠装通信电缆型号hyat53wdz-hyat53zrc-hyat53其它铠装通信电缆型号hya22hyv22hyat22hyy23hyyt23hya23hyat23钢丝铠装通信电缆hya33hyat33wdz-hya53hyy33hyyt33hyy33充油通信电缆hyatzrc-hyatwdz-hyathyyt全塑市话电缆执行规范:yd/t322-1996全塑市话电缆结构特点:hya型市内通信电缆采用全色谱高密度聚乙稀绝缘,铝塑综合护套(即电缆的纵包屏蔽铝带与护套粘结成一体,形成密封护层),具有电气性能优越,施工方便的特点。全塑市话电缆主要电气性能:1.直流电阻:20℃0.4≤148?/km0.5≤95.0?/km0.6≤65.8?/km0.8≤36.6?/km2.绝缘电气强度:导体之间1min1kv不击穿导体与屏蔽1min3kv不击穿3.绝缘电阻:每根芯线与其余线芯接地充气电缆大于10000mΩ.km填充式电缆大于3000mΩ.km4.工作电容:平均值52±2nf/km5.远端串音防卫度:150khz时指定组合的功率平均值大于69db/km