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RS485专用电缆2*1.5

RS485专用电缆2*1.5
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  • 产品名称:RS485专用电缆2*1.5
  • 产品型号:RS485专用电缆2*1.5
  • 产品展商:天联牌
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简单介绍
天津市电缆总厂一分厂专业生产RS485专用电缆2*1.5,公司具有良好的市场信誉,专业的销售和技术服务团队,凭着经营RS485专用电缆2*1.5多年经验,熟悉并了解RS485专用电缆2*1.5市场行情,迎得了国内外厂商的一致好评...
产品描述
RS485专用电缆2*1.5 一﹑RS485专用电缆2*1.5用途及特点 RS485专用电缆2*1.5适用于485等同性设备做数据信号传输。二﹑RS485专用电缆2*1.5执行标准参照UL AWM 2919文件三、RS485专用电缆2*1.5使用特性 1.电缆长期使用温度:-40~70℃ 2.*低环境温度:固定敷设-40℃非固定敷设-15℃。 3.电缆敷设温度: 不低于0℃ 4. RS 485通讯电缆型电缆弯曲半径应不小于电缆直径的10倍。四、型号、名称及用途型号:RS485专用电缆2*1.5 规格:1对截面积0.2 ,0.5,0.75,1.0,1.5(也可根据要求定做2-24对电缆)名称:聚乙烯绝缘聚氯乙烯护套485通讯电缆用途:用于485等同性设备做数据信号传输,使用移动或固定敷设项目 单位 0.2 mm2 0.5 mm2 0.75 mm2 1.0 mm2 1.5 mm2 20℃时导体直流电阻不大于 Ω/km 95 40.1 26.7 13.7 20 电缆工作电容不大于 uf/km 0.06 0.06 0.06 0.06 0.06 耐交流工频电压 KV/min 3KV/5min 3KV/5min 3KV/5min 3KV/5min 3KV/5min 电缆电感不大于 uH/km 800 800 800 800 800 远端串音衰减 dB/km 70 70 70 70 70 五、RS485专用电缆2*1.5主要技术指标六、RS485专用电缆2*1.5规格规格芯数×截面积 mm2 导体结构根数/直径 绝缘标称厚度 mm 线芯颜色 导体绝缘外径 mm 电缆参考外径 mm 1×2×0.2 7/0.2 0.5 白-兰 1.6 6.2 1×2×0.5 16/0.2 0.5 白-兰 1.94 7 1×2×0.75 24/0.2 0.6 白-兰 2.4 8.4 1×2×1.0 32/0.2 0.6 白-兰 2.48 8.6 1×2×1.5 48/0.2 0.7 白-兰 3 9.6 2×2×1.5 48/0.2 0.7 白-兰 白-桔 3 15.1 七、RS485专用电缆2*1.5型号意义软芯导体结构铜质线芯聚乙烯绝缘铝箔屏蔽聚氯乙烯护套镀锡铜丝编织屏蔽八、RS485专用电缆2*1.5产品结构 1、产品结构描速:特性阻抗120欧姆,导体为2芯多股镀锡电解铜丝绞合而成,分色绝缘宜于安装识别,铝塑复合膜100%覆盖+镀锡铜丝90%覆盖共二重屏蔽,附加独立多股绞合镀锡铜丝接地导体(7/0.2),灰色聚氯乙烯护套九、RS485专用电缆2*1.5技术要求导体导体表面应光洁、无油污、无损伤绝缘的毛刺、锐边以及凸起或断裂的单线。 20℃时电缆导体的直流电阻应符合技术指标的要求。 RS485专用电缆2*1.5绝缘 绝缘采用低密度聚乙烯电缆料绝缘应紧密挤包在导体上,且应容易剥落而不损伤导体。绝缘表面应光滑,色泽均匀,不应有裂缝及其他损伤。绝缘标称厚度应符合下表规定。绝缘厚度的平均值应不小于标称值,其*薄处厚度应不小于标称值的90%~0.1mm。绝缘性能要求绝缘线芯在20℃时绝缘电阻应不小于5000MΩ•km。缆芯 2RS485专用电缆2*1.5芯线芯应采用对绞,绞合节距为30-60mm 隔离带隔离带采用耐高温聚脂膜重叠绕包。绕包带应扎紧,其重叠部分应不小于带宽的20%,*小不得低于3mm。编织屏蔽镀锡圆铜线编织屏蔽其编织密度应不小于90%。编织用圆铜线的标称直径应为0.12。屏蔽层不允许整体接续,露出的铜线头应修齐。每1米长度上允许更换金属线锭一次。 RS485专用电缆2*1.5外护套采用灰色聚氯乙烯电缆料。外护套应紧密挤包在缆芯、屏蔽层上,且应容易剥离而不损伤绝缘、内护层、屏蔽层。外护套表面应平整,色泽均匀,无裂缝、气泡、夹杂或其他机械损伤。外护套的标称厚度应符合标准中规定。外护套的平均厚度值应不小于规定的标称值,*薄点厚度应不小于标称值的85%~0.1mm。成品电缆电缆导电线芯不得有断线、对间连电、混线现象。电缆工作对的直流电阻差应不大于环阻的2%。耐交流电压性能:电缆绝缘线芯间及绝缘线芯与屏蔽间应能经受历时 5min、3.0kv交流电压的试验,不允许有击穿和闪络现象。交货长度: ① 电缆交货长度应不小于200m; ② 用户对供货长度有特殊要求时,可根据双方协议长度交货。
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RS485专用电缆RS485-2*0.2+1*0.2 RS485专用电缆RS485-2*0.2+1*0.2
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RS485专用电缆RS485-2*2*20AWG RS485专用电缆RS485-2*2*20AWG
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RS485专用电缆RS485-3*2*0.75 RS485专用电缆RS485-3*2*0.75
RS485专用电缆RS485-3*2*1.0 RS485专用电缆RS485-3*2*1.0
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RS485专用电缆RS485P-2*0.5 RS485专用电缆RS485P-2*0.5
RS485专用电缆RS485-STP-120-2*0.3 RS485专用电缆RS485-STP-120-2*0.3
RS485专用电缆RS485STP-120-2*1.5 RS485专用电缆RS485STP-120-2*1.5
RS485专用电缆RS485SWA-2*18AWG RS485专用电缆RS485SWA-2*18AWG
ZR-RS485专用电缆