标准规范下载简介和预览

导线载流表是一种用于评估导线或电缆在特定条件下能够安全承载的最大电流的工具或参考表格。它根据导线的材质（如铜或铝）、截面积、绝缘材料类型、环境温度以及安装方式等因素，提供详细的载流量数据。这些信息对于电气工程设计、施工和维护至关重要，确保电路系统在安全范围内运行，避免因过载导致的发热、火灾或其他安全隐患。

导线载流表广泛应用于建筑电气设计、工业设备布线、电力传输等领域。例如，在家庭电路中，选择合适的导线截面积以匹配电器负载需求是确保用电安全的基础。而在工业环境中，高压电缆的载流量计算则需要考虑更复杂的因素，如多根电缆并列敷设时的热耦合效应。

500伏铜芯绝缘导线长期连续负荷允许载流量表导线线芯结构导线明敷设橡皮绝缘导线多根同穿在一根管内时塑料绝缘导线多根同穿在一根管内时允许负荷电流（安）允许负荷电流（安）单芯成品25°℃30°℃25°℃30°C截面股25°℃直径外径30°℃穿金属管穿塑料管穿金属管穿塑料管穿金属管穿塑料管穿金属管穿塑料管(mm²)(mm )橡塑橡33数（mm）2232334323皮料皮料根根根根根根根根根根根根根根根根根根根根根根根1.011.134.4211920181514141014111013121011101.511.374.627242520201817716419161813917161615131816151514122.51.765.03532333028252320262322192627241924222120184.01.2.245.5454242393733303330253531283128243531283128253329262926236.02.736.2585554514943394338544640364036+37413632443838543010.071.337.8857579706860466456504943505649446146+116.071.688.811010510398866968508065D58615325191.2810.614513835.0191.5111.818017050.0191.8113.823021570.0491.3317.328526595.0841.2020.83453201201331.0821.7400375201150372.2422470430140185540490注：1.导电线芯最高允许工作温度+65°℃2.25毫米及以上铜芯导线导线穿管时应用“（二）”型结果产品。

塑料绝缘软线、塑料护套线明敷设长期连续负荷允许载流量表

塑料绝缘软线、塑料护套线明敷设长期连续负荷允许载流量表

注：1.导线芯最高允许工作温度为65°℃

注：1.导线芯最高允许工作温度为65°℃

单相AC220V，三相AC380V电压时功率/电流对照

单相AC220V，三相AC380V电压时功率/电流对照表

单相AC220V，三相AC380V电压时功率/电流对照

单相AC220V，三相AC380V电压时功率/电流对照表

单相AC220V，三相AC380V电压时功率/电流对照表

单相AC220V北京某会展中心钢结构施工组织设计（创长城杯），三相AC380V电压时功率/电流对照表

单相AC220V，三相AC380V电压时功率/电流对照表三相四线，电压380V时功率因数功率P(KW)0.580.600.620.640.660.680.700.720.740.760.780.800.820.840.860.880.900.920.940.960.981.00I(安）5.2513.7113.2612.8312.4312.0511.7011.3611.0510.7510.4710.209.949.709.479.259.048.848.658.468.298.127.955.5014.3713.8913.4413.0212.6312.2511.9011.5711.2610.9610.6810.4210.169.929.699.479.269.068.878.688.508.335.7515.0214.5214.0513.6113.2012.8112.4512.1011.7711.4611.1710.8910.6210.3710.139.909.689.479.279.088.898.716.0015.6715.1514.6614.2013.7713.3712.9912.6312.2911.9611.6611.3611.0910.8210.5710.3310.109.889.679.479.289.096.2516.3315.7815.2714.8014.3513.9313.5313.1512.8012.4612.1411.8411.5511.2711.0110.7610.5210.2910.079.869.669.476.5016.9816.4115.8815.3914.9214.4814.0713.6813.3112.9612.6312.3112.0111.7211.4511.1910.9410.7010.4810.2610.059.856.7517.6317.0516.5015.9815.5015.0414.6114.2013.8213.4613.1112.7812.4712.1811.8911.6211.3611.1210.8810.6510.4410.237.0018.2917.6817.1116.5716.0715.6015.1514.7314.3313.9613.6013.2612.9312.6312.3312.0511.7811.5311.2811.0510.8210.617.2518.9418.3117.7217.1616.6416.1515.6915.2614.8414.4514.0813.7313.4013.0812.7712.4812.2111.9411.6911.4411.2110.987.5019.5918.9418.3317.7617.2216.7116.2315.7815.3614.9514.5714.2013.8613.5313.2112.9112.6312.3512.0911.8411.6011.367.7520.2519.5718.9418.3517.7917.2716.7716.3115.8715.4515.0514.6814.3213.9813.6513.3413.0512.7612.4912.2311.9811.748.0020.9020.2019.5518.9418.3717.8317.3216.8416.3815.9515.5415.1514.7814.4314.0913.7713.4713.1812.8912.6312.3712.128.2521.5520.8320.1619.5318.9418.3817.8617.3616.8916.4516.0315.6315.2414.8814.5314.2013.8913.5913.3013.0212.7612.508.5022.2021.4620.7720.1219.5118.9418.4017.8917.4016.9516.5116.1015.7115.3314.9814.6314.3114.0013.7013.4213.1412.888.7522.8622.1021.3820.7120.0919.5018.9418.4117.9217.4417.0016.5716.1715.7815.4215.0714.7314.4114.1013.8113.5313.269.0023.5122.7321.9921.3120.6620.0519.4818.9418.4317.9417.4817.0516.6316.2315.8615.5015.1514.8214.5114.2013.9113.649.2524.1623.3622.6121.9021.2420.6120.0219.4718.9418.4417.9717.5217.0916.6816.3015.9315.5715.2314.9114.6014.3014.029.5024.8223.9923.2222.4921.8121.1720.5619.9919.4518.9418.4517.9917.5517.1416.7416.3615.9915.6515.3114.9914.6914.399.7525.4724.6223.8323.0822.3821.7221.1020.5219.9619.4418.9418.4718.0217.5917.1816.7916.4116.0615.7215.3915.0714.7710.0026.1225.2524.4423.6722.9622.2821.6521.0420.4819.9419.4318.9418.4818.0417.6217.2216.8416.4716.1215.7815.4615.15第4页，共4页