rs485屏蔽雙絞線RVVSP2*2*0.5通訊軟電纜
耐火銅芯聚氯乙烯絕緣絞型連接用軟電纜TheFire-proofCopperconductorPVCinsulatedtwistedflexiblecable型號規格TypeandSizeNHRVS-300/300V2×1.0mm2檢驗項目TestItems單位Unit標準要求StandardRequirement檢驗結果TestResults1.20℃時導體直流電阻DCresistanceofconductorat20℃Ω/KM≤19.519.42.工頻交流電壓試驗PowerfrequencyACvoltagetest-施加2.0KV5min不擊穿NobreakdownatACvoltage2.0kV,5min通過Pass3.絕緣厚度平均值Averagethicknessofinsulationmm≥0.60.74.絕緣厚度點Minimumthicknessofinsulationmm≥0.440.61
rs485屏蔽雙絞線RVVSP2*2*0.5通訊軟電纜