Dab tsi yog qhov cross-sectional area specifications for wires and cables?

Sep 14, 2026

Tso lus

Hlau thiab cables tuaj nyob rau hauv ib tug ntau yam ntawm cross-sectional cheeb tsam specifications- ntsuas nyob rau hauv square millimeters (mm²)- ncua los ntawm tsawg tshaj li 1 mm² mus rau ntau txhiab mm², nyob ntawm seb lawv npaj siv thiab siv cov qauv.

1. Cov kev qhia tshwj xeeb rau cov vaj tsev nyob thiab kev lag luam
Cov kev qhia tshwj xeeb tshaj plaws yog los ntawm 0.5 mm² txog 400 mm², feem ntau yog siv hauv kev kho tsev, khoom siv hluav taws xob, thiab cov khoom siv dav dav.

0.5 mm², 0.75 mm², 1 mm²: Feem ntau siv rau cov kab teeb liab, teeb pom kev zoo, lossis cov hlua hluav taws xob rau cov khoom siv hluav taws xob tsawg -wattage.

1.5 mm²: Standard specification feem ntau siv rau teeb pom kev zoo circuits.

2.5 mm²: Cov qauv tshwj xeeb rau cov phab ntsa zoo tib yam thiab cov hlua hluav taws xob rau cov khoom siv hauv tsev.

4 mm², 6 mm², 10 mm²: Siv rau siab - cov khoom siv wattage (xws li cov tshuab cua txias thiab hluav taws xob cua sov) lossis ua cov kab tseem ceeb rau cov khoom me me - theem.

16 mm², 25 mm², 35 mm², 50 mm²: Siv rau cov kev pabcuam hauv zej zog nkag, kev cob qhia me me, lossis kev faib hluav taws xob rau cov khoom siv loj.

70 mm², 95 mm², 120 mm², 150 mm²: Feem ntau siv rau cov kab loj loj hauv me me - mus rau - nruab nrab - cov tsev loj lossis kev sib txuas hluav taws xob rau cov khoom siv loj.

185 mm², 240 mm², 300 mm², 400 mm²: Siv rau cov kab hluav taws xob tseem ceeb hauv cov tsev loj thiab cov chaw tsim khoom, lossis rau lub zog hluav taws xob loj.

2. Fais fab cable specifications
Nruab nrab- thiab siab- cov kab hluav taws xob siv hluav taws xob xa hluav taws xob thiab cov tshuab xa hluav taws xob muaj cov ntoo khaub lig loj dua - ntu ntu.

Tsawg-voltage fais fab cables (1 kV): Feem ntau yog los ntawm 1.5 mm² txog 1000 mm².

Nruab nrab-voltage fais fab cables (piv txwv li, 10 kV, 35 kV): Specifications feem ntau pib ntawm 35 mm²; Qhov ntau thiab tsawg muaj xws li 50, 70, 95, 120, 150, 185, 240, 300, 400, 500, thiab 630 mm². High{18}}voltage thiab ntxiv-siab-voltage cables (110 kV thiab siab dua): featuring tus neeg xyuas pib loj dua -sections, suav nrog 800 mm², 1000 mm², 1200 mm², 1600 mm², 2020 mm², thiab lwm yam

 

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Hu rau tam sim no!
Etop yog cov chaw tsim khoom ntseeg siab tshwj xeeb hauv siab - cov khoom siv hluav taws xob zoo thiab cov keyboards. Nrog cov kws tshaj lij hauv kev daws teeb meem, peb muab cov khoom siv ruaj khov thiab txhim khu kev qha kom ua tau raws li qhov xav tau ntawm thaj chaw, kev lag luam, kev lag luam.