產(chǎn)品簡(jiǎn)介阻燃通信電纜_ZR-HPVV電纜_ZR-HJVV電纜_ZR-HJVVP電纜_ZR-HYV電纜_ZA-HJVV電纜_ZA-HJVVP電纜的詳細(xì)介紹全塑市話電纜通信電纜型號(hào)ZR-HPVV電纜_ZR-HJVV電纜_ZR-HJVVP電纜_ZR-HYV電纜_ZA-HJVV電纜_ZA-HJVVP電纜 配線電纜型號(hào)HPVVZR-HPVV 局用電纜型號(hào)HJVVHJVVPZR-HJVVZR-HJVVP 鎧裝通信電纜型號(hào)HYA53WDZ-HYA53ZRC-HYA53 填充式鎧裝通信電纜型號(hào)HYAT53WDZ-HYAT53ZRC-HYAT53 其它鎧裝通信電纜型號(hào)HYA22HYV22HYAT22HYY23HYYT23HYA23HYAT23 鋼絲鎧裝通信電纜HYA33HYAT33WDZ-HYA53HYY33HYYT33HYY33充油通信電纜HYATZRC-HYATWDZ-HYATHYYT全塑市話電纜執(zhí)行標(biāo)準(zhǔn):YD/T322-1996全塑市話電纜結(jié)構(gòu)特點(diǎn):HYA型市內(nèi)通信電纜采用全色譜高密度聚乙稀絕緣,鋁塑綜合護(hù)套(即電纜的縱包屏蔽鋁帶與護(hù)套粘結(jié)成一體,形成密封護(hù)層),具有電氣性能優(yōu)越,施工方便的特點(diǎn)。全塑市話電纜主要電氣性能:1.直流電阻:20℃,0.4≤148?/km0.5≤95.0?/km0.6≤65.8?/km0.8≤36.6?/km 2.絕緣電氣強(qiáng)度:導(dǎo)體之間1min1kv不擊穿導(dǎo)體與屏蔽1min3kv不擊穿3.絕緣電阻:每根芯線與其余線芯接地,充氣電纜大于10000MΩ.km,填充式電纜大于3000MΩ.km。4.工作電容:平均值52±2nF/km5.遠(yuǎn)端串音防衛(wèi)度:150kHZ時(shí)指定組合的功率平均值大于69dB/km。 |