国标铜排载流量表VIP专享VIP免费

国标铜排载流量表一、矩形铜排铜母排截面25°C35°C平放（A）竖放（A）平放（A）竖放（A）15x317618520x323324525x328530030x439441540x440442552255040x545247555158850x555658572176050x661765079784060x673177094099060x88589001101116060x1096010101230129580x693010101195130080x8106011551361148080x101190129515311665100x61160126015571592100x81310142516741850100x101470159518652025120x815301675194021109526370x3120x1016851830215223402(60x6)11261185145215302(60x8)14601480150316002(60x116801170214022502(80x6)13201433170518552(80x816511795211725152(80x10)19502120257527352(100x6)15641700200021702(100x8)19302100247026902(100x10)23202500293531852(120x8)21402330275029952(120x10)2615284033303620二、铜导线载流量(35°C)截面(mm2)11.52.546101625355070载流量(A):10131723304585110136170216三、抽屉柜抽屉导线选用标准截面(mm2)1016162535507035x250x270x250x3电流(A)506380100125160200250300400500600估算法：单条铜母排载流量二宽度(mm)X厚度系数双母排载流量=宽度(mm)X厚度系数X1.5(经验系数)铜排和铝排也可以按平方数来,通常铜应该按5-8A/平方，铝应该按3-5A/平方常用铜排的载流量计算方法：40°C时铜排载流量=排宽*厚度系数排宽(mm);厚度系数为:母排12厚时为20;10厚时为18;依次为：[12-20,10-18,8-16,6—14,5—13,4—12].双层铜排[40C]=1.56-1.58单层铜排】40C](根据截面大小定)3层铜排[40C]=2单层铜排】40C]4层铜排[40C]=单层铜排】40C]*2.45(不推荐此类选择，最好用异形母排替代)铜排】40C]=铜排[25C]*0.85铝排]40C]=铜排[40C]/1.3例如求TMY100*10载流量为：单层：100*188=1800(A)[查手册为1860A]双层：2(TMY100*10)的载流量为：1860*1.58=2940(A)；[查手册为2942A]；三层：3(TMY100*10)的载流量为：1860*2=3720(A)[查手册为3780A]以上所有计算均精确到与手册数据相当接近。常用铜排的尺寸及载流量表一、矩形铜排铜母排截面25C35C平放(A)竖放(A)平放(A)竖放15X317618520X323324525X328530030X439441540X440442552255040X54524755558850X55565857276050X661765079784060X673177094099060X88589001101116060X1096010101230129580X693010101195130080X8106011551361148080X101190129515311665100X61160126015571592100X81310142516741850100X101470159518652025120X81530167519402110120X1016851830215223402(60X6)11261185145215302(60X8)14601480150316002(60X10)16801170214022502(80X6)13201433170518552(80X8)16511795211725152(80X10)19502120257527352(100X6)15641700200021702(100X8)19302100247026902(100X10)23202500293531852(120X8)21402330275029952(120X10)2615284033303620二、铜导线载流量(35°C)截面(mm?)11.52.54610162535507095载流量(A)10131723304585110136170216263三、抽屉柜抽屉导线选用标准截面(mm2)1016162535507035X250X270X250X370X3电流(A)506380100125160200250300400500600有一简单计算方法，即单根矩形铜排载流量=排宽*(排厚+8)双层载流量一1.5倍单层载流量三层载流量一2.0倍单层载流量、矩形铜排25C35C平放（A）竖放（A）平放(A)竖放（A）15X317618520X323324525X328530030X439441540X440442552255040X545247555158850X555658572176050X661765079784060X673177094099060X88589001101116060X1096010101230129580X693010101195130080X8106011551361148080X101190129515311665100X61160126015571592100X81310142516741850100X101470159518652025120X81530167519402110120X1016851830215223402(60X6)11261185145215302(60X8)14601480150316002(60X10)16801170214022502(80X6)13201433170518552(80X8)16511795211725152(80X10)19502120257527352(100X6)15641700200021702(100X8)19302100247026902(100X10)23202500293531852(120X8)21402330275029952(120X10)2615284033303620、铜导线载流量(35°C)截面(mm2)1-101.5-132.5-174-236-3010-4516-8525-11035-13650-17070-21695-263载流量(A)10131723304585110136170216263、抽屉柜抽屉导线选用标准截面(mm2)1016162535507035X250X270X250X370X3电流(A)506380100125160200250300400500600