为方便大家快速地根据载流量选择线径，或者根据线径确认不同温度下的载流量，线束工程师之家整理了一些常见的线规，线径在不同温度下的载流量。这样可以避免根据繁琐的计算公式来算出对应的载流量，且不同的标准之间的算法也有差异，避免选型错误。
载流量是在规定条件下，导体能够连续承载而不致使其稳定温度超过规定值的最大电流。文章源自线束工程师之家-https://www.suncve.com/comparison-table-between-current-carrying-capacity-of-electric-wire-and-ambient-temperature/
|
型号文章源自线束工程师之家-https://www.suncve.com/comparison-table-between-current-carrying-capacity-of-electric-wire-and-ambient-temperature/ |
截面积mm2文章源自线束工程师之家-https://www.suncve.com/comparison-table-between-current-carrying-capacity-of-electric-wire-and-ambient-temperature/ |
导体结构mm(股丝数/单股直径)文章源自线束工程师之家-https://www.suncve.com/comparison-table-between-current-carrying-capacity-of-electric-wire-and-ambient-temperature/ |
最大绝缘外径（mm）文章源自线束工程师之家-https://www.suncve.com/comparison-table-between-current-carrying-capacity-of-electric-wire-and-ambient-temperature/ |
导体电阻（Ω/Km）文章源自线束工程师之家-https://www.suncve.com/comparison-table-between-current-carrying-capacity-of-electric-wire-and-ambient-temperature/ |
环境50℃电流I（A）文章源自线束工程师之家-https://www.suncve.com/comparison-table-between-current-carrying-capacity-of-electric-wire-and-ambient-temperature/ |
环境60℃电流I（A）文章源自线束工程师之家-https://www.suncve.com/comparison-table-between-current-carrying-capacity-of-electric-wire-and-ambient-temperature/ |
环境70℃电流I（A）文章源自线束工程师之家-https://www.suncve.com/comparison-table-between-current-carrying-capacity-of-electric-wire-and-ambient-temperature/ |
环境80℃电流I（A）文章源自线束工程师之家-https://www.suncve.com/comparison-table-between-current-carrying-capacity-of-electric-wire-and-ambient-temperature/ |
环境90℃电流I（A） |
|
FLRY |
0.35 |
7/0.25 |
1.30 |
52 |
10.3 |
9.2 |
8.0 |
6.6 |
5.0 |
|
12/0.2 |
1.40 |
52 |
10.6 |
9.4 |
8.2 |
6.8 |
5.2 |
||
|
0.5 |
19/0.19 |
1.60 |
37.1 |
13.4 |
11.9 |
10.3 |
8.6 |
6.5 |
|
|
16/0.20 |
1.60 |
37.1 |
13.4 |
11.9 |
10.3 |
8.6 |
6.5 |
||
|
0.75 |
24/0.20 |
24.60 |
24.7 |
21.4 |
19.1 |
16.5 |
13.8 |
10.5 |
|
|
1 |
19/0.26 |
18.50 |
18.5 |
25.6 |
22.7 |
19.7 |
16.4 |
12.5 |
|
|
32/0.20 |
18.50 |
18.5 |
25.6 |
22.7 |
19.7 |
16.4 |
12.5 |
||
|
1.5 |
30/0.25 |
2.90 |
12.7 |
28.0 |
24.9 |
21.6 |
18.0 |
13.7 |
|
|
2.5 |
50/0.25 |
2.90 |
7.6 |
37.2 |
33.1 |
28.7 |
23.9 |
18.2 |
|
|
4 |
56/0.30 |
3.60 |
4.7 |
51.3 |
45.6 |
39.5 |
32.9 |
25.1 |
|
|
6 |
84/0.30 |
4.40 |
3.1 |
67.4 |
59.9 |
52.0 |
43.2 |
33.0 |
|
|
FLY |
4 |
56/0.30 |
4.40 |
4.71 |
53.7 |
47.8 |
41.4 |
34.4 |
26.3 |
|
5 |
70/0.30 |
4.90 |
3.94 |
60.6 |
53.8 |
46.7 |
38.8 |
29.6 |
|
|
6 |
84/0.30 |
5.00 |
3.14 |
68.9 |
61.3 |
53.2 |
44.2 |
33.7 |
|
|
8 |
98/0.32 |
5.90 |
2.38 |
83.2 |
74.0 |
64.2 |
53.4 |
40.7 |
|
|
10 |
80/0.4 |
6.50 |
1.82 |
97.6 |
86.8 |
75.2 |
62.6 |
47.7 |
|
|
12 |
96/0.4 |
7.40 |
1.52 |
109.8 |
97.6 |
84.7 |
70.4 |
53.7 |
|
|
16 |
126/0.4 |
8.30 |
1.16 |
130.0 |
115.5 |
100.2 |
83.3 |
63.5 |
|
|
20 |
152/0.4 |
9.10 |
0.955 |
145.9 |
129.7 |
112.5 |
93.6 |
71.4 |
|
|
25 |
196/0.4 |
10.40 |
0.743 |
170.1 |
151.2 |
131.2 |
109.1 |
83.2 |
|
|
30 |
224/0.4 |
10.90 |
0.647 |
184.8 |
164.3 |
142.5 |
118.5 |
90.4 |
|
|
35 |
276/0.4 |
11.60 |
0.527 |
208.9 |
185.7 |
161.1 |
134.0 |
102.2 |
|
|
40 |
308/0.4 |
12.40 |
0.473 |
222.8 |
198.1 |
171.8 |
142.9 |
109.0 |
|
|
50 |
396/0.4 |
13.50 |
0.368 |
257.7 |
229.1 |
198.7 |
165.3 |
126.0 |
|
|
60 |
296/0.5 |
14.60 |
0.315 |
282.9 |
251.5 |
218.1 |
181.4 |
138.3 |
|
|
70 |
360/0.5 |
15.50 |
0.259 |
316.6 |
281.5 |
244.1 |
203.0 |
154.8 |
|
|
95 |
475/0.5 |
18.00 |
0.196 |
371.0 |
329.8 |
286.1 |
237.9 |
181.4 |
|
|
120 |
608/0.5 |
19.70 |
0.153 |
438.5 |
389.8 |
338.1 |
281.2 |
214.4 |
|
|
型号 |
截面积mm2 |
导体结构mm(股丝数/单股直径) |
最大绝缘外径（mm） |
导体电阻（Ω/Km） |
环境30℃电流I（A） |
环境40℃电流I（A） |
环境50℃电流I（A） |
环境60℃电流I（A） |
环境70℃电流I（A） |
|
AVSS |
0.3 |
7/0.26 |
1.50 |
50.2 |
11.0 |
9.6 |
8.2 |
6.6 |
4.6 |
|
0.5 |
7/0.32 |
1.70 |
32.7 |
14.3 |
12.6 |
10.7 |
8.6 |
6.0 |
|
|
19/0.19 |
1.70 |
34.6 |
13.9 |
12.2 |
10.4 |
8.3 |
5.8 |
||
|
0.75 |
19/0.23 |
1.90 |
23.6 |
17.7 |
15.5 |
13.2 |
10.6 |
7.4 |
|
|
0.85 |
7/0.40 |
1.90 |
20.8 |
18.9 |
16.6 |
14.1 |
11.3 |
7.9 |
|
|
19/0.24 |
1.90 |
21.7 |
18.5 |
16.2 |
13.8 |
11.1 |
7.7 |
||
|
1.25 |
19/0.29 |
2.20 |
14.9 |
23.7 |
20.8 |
17.7 |
14.2 |
9.9 |
|
|
37/0.21 |
2.20 |
14.6 |
24.0 |
21.0 |
17.9 |
14.4 |
10.0 |
||
|
2.0 |
19/0.37 |
2.80 |
9 |
33.3 |
29.3 |
24.9 |
20.0 |
13.9 |
|
|
37/0.26 |
2.70 |
9.5 |
32.1 |
28.1 |
23.9 |
19.2 |
13.4 |
||
|
AVS |
0.3 |
7/0.26 |
1.90 |
50.2 |
11.8 |
10.4 |
8.8 |
7.1 |
4.9 |
|
15/0.18 |
1.90 |
48.9 |
12.0 |
10.5 |
8.9 |
7.2 |
5.0 |
||
|
0.5 |
7/0.32 |
2.10 |
32.7 |
15.3 |
13.4 |
11.4 |
9.2 |
6.4 |
|
|
20/0.18 |
2.10 |
36.7 |
14.4 |
12.6 |
10.7 |
8.6 |
6.0 |
||
|
0.75 |
30/0.18 |
2.30 |
24.4 |
18.4 |
16.1 |
13.7 |
11.0 |
7.7 |
|
|
0.85 |
11/0.32 |
2.30 |
20.8 |
20.0 |
17.6 |
15.0 |
12.0 |
8.3 |
|
|
16/0.26 |
2.30 |
22 |
19.4 |
17.1 |
14.5 |
11.7 |
8.1 |
||
|
1.25 |
16/0.32 |
2.60 |
14.3 |
25.4 |
22.3 |
18.9 |
15.2 |
10.6 |
|
|
50/0.18 |
2.60 |
14.7 |
25.0 |
22.0 |
18.7 |
15.0 |
10.4 |
||
|
2 |
26/0.32 |
3.10 |
8.81 |
34.6 |
30.3 |
25.8 |
20.7 |
14.4 |
|
|
37/0.26 |
3.10 |
9.5 |
33.2 |
29.1 |
24.8 |
19.9 |
13.8 |
||
|
3 |
41/0.32 |
3.80 |
5.59 |
46.5 |
40.8 |
34.7 |
27.9 |
19.4 |
|
|
5 |
65/0.32 |
4.60 |
3.52 |
62.4 |
54.8 |
46.6 |
37.4 |
26.0 |
|
|
8 |
50/0.45 |
5.60 |
2.32 |
81.2 |
71.3 |
60.6 |
48.7 |
33.8 |
|
|
型号 |
截面积mm2 |
导体结构mm(股丝数/单股直径) |
最大绝缘外径（mm） |
导体电阻（Ω/Km） |
环境30℃电流I（A） |
环境40℃电流I（A） |
环境50℃电流I（A） |
环境60℃电流I（A） |
环境70℃电流I（A） |
|
AV |
8 |
50/0.45 |
5.8 |
2.32 |
81.5 |
71.6 |
60.9 |
48.9 |
34.0 |
|
15 |
171/0.32 |
7.5 |
1.37 |
113.7 |
99.8 |
84.9 |
68.2 |
47.4 |
|
|
20 |
247/0.32 |
9.3 |
0.946 |
145.9 |
128.1 |
109.0 |
87.5 |
60.8 |
|
|
EB |
5 |
6/0.32 |
4.60 |
3.52 |
62.7 |
55.1 |
46.9 |
37.6 |
26.2 |
|
9 |
112/0.32 |
5.70 |
2 |
89.1 |
78.2 |
66.5 |
53.4 |
37.1 |
|
|
10 |
114/0.32 |
5.70 |
1.96 |
91.4 |
80.2 |
68.2 |
54.8 |
38.1 |
|
|
15 |
171/0.32 |
6.80 |
1.32 |
117.4 |
103.1 |
87.7 |
70.4 |
48.9 |
|
|
20 |
247/0.32 |
8.00 |
0.915 |
147.7 |
129.7 |
110.3 |
88.5 |
61.6 |
|
|
30 |
361/0.32 |
9.30 |
0.625 |
186.5 |
163.7 |
139.3 |
111.8 |
77.7 |
|
|
40 |
494/0.32 |
10.60 |
0.457 |
226.3 |
198.7 |
169.1 |
135.7 |
94.3 |
|
|
50 |
608/0.32 |
11.60 |
0.371 |
256.9 |
225.6 |
191.9 |
154.0 |
107.1 |
|
|
60 |
741/0.32 |
12.60 |
0.304 |
289.4 |
254.1 |
216.2 |
173.5 |
120.6 |
|
|
HEB |
9 |
7*16/0.32 |
6.20 |
2 |
89.9 |
78.9 |
67.1 |
53.9 |
37.5 |
|
15 |
19*9/0.32 |
7.50 |
1.32 |
118.3 |
103.8 |
88.3 |
70.9 |
49.3 |
|
|
20 |
19*13/0.32 |
8.70 |
0.915 |
148.2 |
130.1 |
110.7 |
88.8 |
61.8 |
|
|
30 |
19*19/0.32 |
10.60 |
0.625 |
186.5 |
163.8 |
139.3 |
111.8 |
77.7 |
|
|
40 |
19*26/0.32 |
11.90 |
0.457 |
225.7 |
198.1 |
168.6 |
135.3 |
94.1 |
|
|
60 |
19*39/0.32 |
14.30 |
0.304 |
287.1 |
252.1 |
214.4 |
172.1 |
119.7 |
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