BUS BAR 규격별 허용전류

 2-2. BUS BAR 규격별 허용전류 

                                                                                    (LG 전선 참고)

정격전류 (A)	BUS BAR 규격(mm)		1ø 3W, 3ø 4W			3ø 4W (Full Neutral)
			W (mm)	H (mm)	중량 (kg/m)	W (mm)	H (mm)	중량 (kg/m)
600 800 1000 1200 1350 1500 1600 2000	알         미         늄	ONE 6 x  50 ONE 6 x  75 ONE 6 x 100 ONE 6 x 125 ONE 6 x 150 ONE 6 x 175 ONE 6 x 185 ONE 6 x 240	125 150 175 200 225 250 260 315	100	11.0 13.0 15.5 18.0 20.0 22.5 23.5 29.0	125 150 175 200 225 250 260 315	120	13.0 15.5 18.5 21.5 24.0 27.0 28.5 35.0
2500 3000 3500		TWO 6 x 150 TWO 6 x 185 TWO 6 x 240	450 520 630	100	40.0 46.0 57.5	450 520 630	120	48.0 56.0 69.5
4000  4500. 5000		THREE 6 x 175 THREE 6 x 185 THREE 6 x 240	750 780 945	100	67.0 70.0 86.5	750 780 945	120	80.5 84.0 104.0
600 800 1000 1200 1350 1500 1600 2000	동	ONE 6 x  40 ONE 6 x  50 ONE 6 x  75 ONE 6 x 100 ONE 6 x 125 ONE 6 x 150 ONE 6 x 175 ONE 6 x 185	115 125 150 175 200 225 250 260	100	14.5 16.5 21.5 27.0 32.0 32.0 37.5 44.5	115 125 150 175 200 225 250 260	120	17.5 20.5 27.0 33.5 40.5 40.5 47.0 56.5
2500 3000 3500		TWO 6 x 125 TWO 6 x 150 TWO 6 x 175	400 450 500	100	40.0 46.0 57.5	400 450 500	120	80.5 93.5 107.0
4000 4500 5000		THREE 6 x 125 THREE 6 x 150 THREE 6 x 175	600 675 750	100	95.5 110.0 127.0	600 675 750	120	120.0 140.0 160.5

       【비고】BUS DUCT는 설치중량, 경제성 등을 고려하여 도체의 재질은 알루미늄을 사용하는 것이

               일반적이며 옥내형 알루미늄 BUS DUCT의 기준 임.