國標(biāo)銅排載流量表

1、國標(biāo)銅排載流量表、矩形銅排銅母排截面25 C35 C平放(A)豎放(八、平放(N 豎放(八15X317618520 X323324525 X328530030 X439441540 X440442552255040 X545247555158850 X555658572176050 X661765079784060 X673177094099060 X88589001101116060 X1096010101230129580 X693010101195130080 X8106011551361148080 X101190129515311665100 X6116012601557159210

2、0 X81310142516741850100X101470159518652025120 X81530167519402110120X1016851830215223402(60 佝11261185145215302 (60 X8)14601480150316002(60 X116801170214022502(80 X6)13201433170518552(80 X816511795211725152(80X10)19502120257527352(100 X6)15641700200021702(100 X8)19302100247026902(100X10)23202500293531

3、852(120 X8)21402330275029952(120X10)2615284033303620銅導(dǎo)線載流量（35 C）截面（mm2）1載流1.5量(A):2.5461016253550709510131723304585110136170216263三、抽屜柜抽屜導(dǎo)線選用標(biāo)準截面(mm 2)1016 162535507035 X250 X270 X250 X370 X3電流（A）12550638010016200250300400500600估算法：單條銅母排載流量二寬度（mm） X厚度系數(shù)雙母排載流量二寬度（mm） X厚度系數(shù)X1.5 （經(jīng)驗系數(shù)）銅排和鋁排也可以按平方數(shù)來,通常銅

4、應(yīng)該按5-8A/平方，鋁應(yīng)該按3-5A/平方常用銅排的載流量計算方法:40 C時銅排載流量二排寬厚度系數(shù)排寬(mm)；厚度系數(shù)為:母排12厚時為20;10厚時為18;依次為:12-20,10-18,8-16, 6- 14, 5-13 , 4-12雙層銅排40 C =1.56-1.58單層銅排40 C (根據(jù)截面大小定)3層銅排40 C =2單層銅排40 C 4層銅排40 C二單層銅排40 C *2.45 (不推薦此類選擇，最好用異形母排替代)銅排40 C =銅排25 C *0.85鋁排40 C二銅排40C /1.3例如求TMY100M 0載流量為：單層:100*18 8=1800 (A)查手冊

5、為 1860A;雙層：2 (TMY100*10)的載流量為:1860*1.58=2940 (A);查手冊為 2942A;452475551556585721617650797522三層：3 (TMY100*10)的載流量為：1860*2 = 3720 (A)查手冊為3780A以上所有計算 均精確到與手冊數(shù)據(jù)相當(dāng)接近。常用銅排的尺寸及載流量表矩形銅排銅母排截面25 C35 C平放(A)豎放(A)平放(A)豎放(15X317618520X323324525X328530030X439441540X4404425550 40X558850X576050X684060X6 731 770 940 99

6、060X8 858 9 00 1101 116060X10 960 1010 1230 129580 X 6 930 1010 1195 130080X8 1060 1155 1361 148080X 10 1190 1295 1531 1665 100X6 1160 1260 1557 1592 100X8 1310 1425 1674 1850 100X101470 1595 1865 2025 120X8 1530 1675 1940 2110 120X 10 1685 1830 2152 2340 2(60X6) 112 6 1185 1452 1530 2(60X8) 1460 14

7、80 1503 1600 2(60X10) 1680 1170 2140 2250 2(80X6) 1320 1433 1705 1855 2(80 X 8) 1651 1795 21172515 2(80 X 10) 1950 2120 2575 2735 2(100X6) 1564 1700 2000 2170 2(100X8) 1930 2100 2470 2690 2(100X10) 2320 2500 2935 3185 2(120 X 8)2140 2330 2750 2995 2(120 X 10) 2615 2840 3330 3620二、銅導(dǎo)線載流量(35 C)截面(mm2

8、1 1.5 2.5 4 6 10 16 25 35 50 70 95 載流量(A 10 13 17 23 30 45 85 110 136 170 216 263三、抽屜柜抽屜導(dǎo)線選用標(biāo)準ft® (mm2 10 16 16 25 3550 7035X2 50X270X250X370 X3 電流(A) 50 63 80 100 125 160200 250 300 400 500 600有一簡單計算方法，即單根矩形銅排載流量二排寬*(排厚+ 8)雙層載流量一1.5倍單層載流量三層載流量一2.0倍單層載流量矩形銅排25 C35 C平放(A)豎放(A)平放(A)豎放(A)15X317618

9、520X323324525X328530030X439441540X440442552255040X545247555158850X555658572176050X661765079784060X673177094099060X88589001101116060X1096010101230129580X693010101195130080X8106011551361148080X101190129515311665100X61160126015571592100X81310142516741850100X 101470159518652025120X81530167519402110120X1

10、016851830215223402(60 X 6)11261185145215302(60 X 8)14601480150316002(60X10)16801170214022502(80 X 6)13201433170518552(80 X 8)16511795211725152(80X10)1950212025752735202(100X6100X8)70193026902(100 X 10)5232031852(120X8)50214029952(120 X 10)026153620170021002500233028402429327333銅導(dǎo)線載流量(35 C)截面(mm21-101.5-132.5-174-236-3010-4516