矩形銅排銅載流量選擇一覽表

1、矩形銅導(dǎo)體長期允許載流量（單位：A）導(dǎo)體尺寸h*b(mm*mm單條雙條三條四條平放豎放平放豎放平放豎放平放豎放15*320021020*326127525*332334030*445147540*459362540*566570050*581686050*690695560*610691125165017402060224060*812511320205021602565279060*1013951475243025603135330080*613601480194021102500272080*815531690241026203100337080*101747190028503100367

2、03990100*6166518102270247029203170100*8191120802810306036103930100*1021212310332036104280465048755300120*8221024003130340039954340120*1024352650377041004780520054305900載流量系按最高允許溫度+70C,基準環(huán)境溫度+25C,無風(fēng)，無日照條件計算的上表導(dǎo)體尺寸中，h為寬度，b為厚度。上表當(dāng)導(dǎo)體為四條時，平放，豎放時第二三片間距皆為50mm.表1矩形母線參數(shù)表序號項目單位標準參數(shù)值硬銅硬鋁1導(dǎo)體密度g/cm32抗拉極限強度MPa厚度以

3、下300<120厚度>270厚度7mm>260厚度7mn上>250320c時電阻率Q-m4熔點C10836585每1C溫度電阻系數(shù)Q-m6延伸率%637軋制截面誤差%<1<38長度偏差mm<109壁厚偏差mm<110彎曲度/彎曲半徑按GBJ149-199硼定母線尺寸寬*厚（mm鋁交流直流25C30C40C25C30C40C15x316515513416515513420x321520217421520217425x326524921526524921530x436534329637034830040x448045138948045138940x5

4、54050743854551244650x566562553967063054350x674069560074570060460x687081870588082771380x61025108093211701100950100x611501340115514551368118060x81155965831104097784480x8132012401070135512741100100x8142515301315169015901370120x814801785154020401918165560x10162510859361180111095680x101820139012001540145

5、01250鋁矩形母線（豎放或平放）下，長期容許的載流量（見表單片母線的載流量（A）W70C表2-12)100X10120x101710194514751680191023001795216015501865銅矩形母線豎放或平放下，長期容許的載流量單片母線的載流量（A）9c=70C表2-2母線尺寸寬*厚（mm銅交流直流25C30C40C25C30C40C15x321019717021019717020x327525822327525822325x334032027634032027630x447544638547544638540x462558750662558750640x5700659567

6、70566457150x586080969787081870550x695589877496090277860x6112510569121145107992880x6148013901200151014201225100x618101700147018751760152060x813201240107013451265109080x8169015901370175516501420100x8208019551685218020501770120x824002255194526002445210560x1014751388119515251432123580x101900178615401990

710231021701870247023202000120x1026502490215029502770239023片組合涂漆母線的載流量(Ac=c=70C6a=25C2-3母線尺寸寬*厚(mmx(mm)鋁銅交流直流交流直流2片3片2片3片2片3片2片3片40x4-855-1090-40x5-965-1250-50x5-1180-1525-50x6-1315-1700-60x61350172015551940174022401990249580x616302100205524602110272026303220100x1935250025153040247031703245394061680218018402330216027902485302060x82040262024002975262033703095385080x823903050294536203060393038104690100x26503380335042503400434044005600820102650211027202560330027253530120x2410310027353440310039