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單條雙條三條四條平放豎放1平放豎放平放豎放平放豎放15*320021020*326127525*332334030*445147540*459362540*566570050*581686050*690695560*610691125165017402060224060*812511320j205021602565279060*1013951475243025603135330080*613601480194021102500272080*815531690241026203100337080*10174719002850310036703990

2、100*61665181022702470292031701100*8191120802810306036103930100*1021212310332036104280465048755300120*8221024003130340039954340120*1024352650377041004780520054305900載流量系按最高允許溫度+70 匚基準(zhǔn)環(huán)境溫度+25；無風(fēng),無日照條件計算的， 上 表導(dǎo)體尺寸中小為寬度，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(biāo)準(zhǔn)參數(shù)值硬銅硬鋁1導(dǎo)體密度g/cm32抗拉極限強(qiáng)度MPa

3、厚度以下300260厚度7mm以上250320C時電阻率y Q m4熔點(diǎn)*c10836585每溫度電阻 系數(shù)Q m6延伸率%637軋制截而誤差% 138J長度偏差mm50 x674069560074570060460 x687081870588082771380 x61025108093211701100950115013401155145513681180100 x6?965831104097784460 x811551240107013551274110080 x81320-1315169015901370100 x814251530%204019181655120X81480178515

4、40:111095660 x10162510859361180)125080 x1018201390120015401450(100 X 10190017101475191017951550120 x 10207019451680230021601865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咼(A)0 c=?or表2-2母線尺寸寬沐厚(mm)銅交流直流253or40 C25C3o#c40X?15x321019717021019717020 x327525822327525822325x3340320276340320276*47544638547544638530X458750

5、662558750640X4625*56770566457140 x5700659%87081870550 x5860809697l90277850 x695589877496092860 x6112510569121145107980 x6148013901200151014201225100 x618101700147018751760152060 x813201240107013451265109080 x8169015901370175516501420208019551685218020501770100X822551945260024452105120X82400111951525

6、1432123560 x101475138819901870161080 x10190017861540123202000100 X 1023102170187024702390120 X102650249021502950277023片組合涂漆母線的載流量( (A) BRTC 0a=25-C表2 3母線尺 寸寬*厚(mm)X(mm)鋁父流/直流交流直流2片3片2片3片2 )3片2片3片40 x4855109040 x5965125050 x5e152550 x6)1180170060 x6172013151940174022401990249580X613502100155524602110272026303220100 x61630250020553040247031703245394060 x8193525152160279024853020( (1680218018402330262033703095385080 x820402620240029753060393038104690100X823903050294536203400434044005600120 x82650338033504250256033002725353060 x102010265021102720310039903510445080 x10241031003