스크랩 부스바 허용전류1

[김도영]

표 11-14                                  동 부스바의 허용전류
SIZE	단면적	중량	허용전류(수직부설)								허용전류(수평부설)
			1매		2매		3매		4매		1매	2매	3매	4매
t X W	㎟	Kg	DC	AC	DC	AC	DC	AC	DC	AC	DC	DC	DC	DC
3*25	75	0.67	260	260	440	440	600	590	730	720	240	300	340	370
3*50	150	1.33	480	480	820	810	1,100	1,080	1,350	1,310	440	550	620	690
3*75	225	2.00	700	690	1,200	1,180	1,600	1,530	2,100	1,980	640	790	910	990
3*100	300	2.67	900	880	1,550	1,490	2,150	2,020	550	2,320	820	1,050	1,200	1,300
6*25	150	1.33	390	390	650	640	900	880	1,100	1,070	350	440	500	540
6*25	300	2.67	700	690	1,200	1,150	1,600	1,500	2,000	1,840	630	790	900	990
6*75	450	4.00	1,000	960	1,700	1,580	2,300	2,070	2,800	2,410	910	1,150	1,300	1,450
6*100	600	5.33	1,300	1,230	2,200	1,980	3,000	2,610	3,700	3,070	1,200	1,500	1,700	1,850
6*150	900	8.00	1,900	1,750	3,200	2,780	4,300	3,520	5,300	4,130	1,700	2,100	2,400	2,700
6*200	1,200	10.67	2,500	2,280	4,200	3,570	5,600	4,480	6,900	5,250	2,200	2,800	3,200	3,500
8*50	400	3.56	820	800	1,400	1,330	1,900	1,750	2,300	2,000	740	930	1,050	1,150
8*75	600	5.33	1,200	1,150	2,000	1,840	2,700	2,400	3,300	2,800	1,100	1,350	1,500	1,650
8*100	800	7.11	1,500	1,400	2,600	2,310	3,500	2,980	4,300	3,480	1,350	1,700	1,950	2,200
8*150	1,200	10.67	2,200	2,000	3,700	3,180	5,000	4,050	6,100	4,700	2,000	2,500	2,800	3,100
8*200	1,600	14.22	2,800	2,490	4,800	3,980	3,500	5,000	8,000	5,840	2,600	3,200	3,700	4,000
8*250	2,000	17.78	3,500	3,080	5,900	4,420	8,000	6,000	9,800	6,950	3,200	4,000	4,500	4,900
8*300	2,400	21.34	4,100	3,520	7,000	5,300	9,400	6,670	11,600	7,770	3,700	4,700	5,300	5,900
10*50	500	4.45	920	880	1,600	1,480	2,100	1,870	2,600	2,230	840	1,050	1,200	1,300
10*75	750	6.67	1,600	1,500	2,700	2,400	3,600	3,020	4,400	3,430	1,400	1,850	2,000	2,200
10*100	1,000	8.89	1,700	1,590	2,900	2,500	3,900	3,120	4,800	3,600	1,550	1,950	2,200	2,400
10*150	1,500	13.34	2,500	2,200	4,200	3,400	5,600	4,250	6,900	4,900	2,200	2,800	3,200	3,500
10*200	2,000	17.78	3,300	2,870	5,500	4,400	7,500	5,550	9,100	6,280	3,000	3,700	4,200	4,600
10*250	2,500	22.23	3,900	3,240	6,700	5,160	9,000	6,500	11,000	7,260	3,500	4,400	5,100	5,600
10*300	3,000	26.67	4,600	3,820	7,900	5,840	10,600	7,320	12,800	8,070	4,200	5,200	6,000	6,600
15*50	750	6.67	1,200	1,120	2,000	1,780	2,700	2,300	3,300	2,670	1,050	1,350	1,550	1,650
15*75	1,125	10.00	1,650	1,480	2,800	2,350	3,800	3,000	4,700	3,480	1,500	1,900	2,200	2,400
15*100	1,500	13.34	2,100	1,830	3,600	2,880	4,900	3,620	6,000	4,080	1,950	2,400	2,800	3,000
15*150	2,250	20.00	3,100	2,640	5,200	3,950	7,000	4,900	8,500	5,520	2,800	3,500	4,000	4,300
15*200	3,000	26.67	3,900	3,200	6,700	4,820	9,000	5,940	11,100	6,670	3,600	4,500	5,100	5,600
15*250	3,750	33.33	4,800	3,900	8,200	5,740	11,100	7,000	13,500	7,840	4,400	5,500	6,300	6,800
15*300	4,500	40.01	5,700	4,620	9,700	6,600	13,100	8,120	15,900	8,900	5,200	6,500	7,500	8,100
20*75	1,500	13.34	19,502	1,670	3,300	2,540	4,500	3,240	5,300	3,440	1,800	2,200	2,500	2,800
20*100	2,000	17.78	2,500	2,120	4,300	3,260	5,700	3,880	7,000	4,340	2,300	2,800	3,200	3,600
20*150	3,000	26.67	3,600	2,910	6,100	4,270	8,200	5,160	10,000	5,600	3,200	4,000	4,600	5,100
20*200	4,000	35.56	4,600	3,680	7,800	5,220	10,500	6,300	12,900	6,970	4,300	5,200	6,000	6,500
20*250	5,000	44.45	5,600	4,310	9,600	6,140	12,900	7,350	15,800	7,900	5,100	6,100	7,300	8,000
20*300	6,000	53.34	6,600	5,010	11,300	6,900	15,300	8,410	18,600	9,120	6,000	7,500	8,600	9,400
주) AC에 있어서 수평 부설인 경우 전류 용량은 수직 부설의 70~80%임

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