芯數(shù)×標稱截面(mm2)
|
導電線芯(mm)
|
平均外徑(mm)
|
20℃導體電阻≤(Ω/km)
|
參考重量(kg/km)
|
|||
根數(shù)/線徑
|
下限
|
上限
|
銅芯
|
鍍錫銅芯
|
YZ
|
YZW
|
|
2×0.75
|
24/0.20
|
6.0
|
8.2
|
26.0
|
26.7
|
|
|
2×1
|
32/0.20
|
6.4
|
8.8
|
19.5
|
20.0
|
81.7
|
89.6
|
2×1.5
|
30/0.25
|
8.0
|
10.5
|
13.3
|
13.7
|
|
|
2×2.5
|
49/0.25
|
9.4
|
12.5
|
7.98
|
8.21
|
227.1
|
242.6
|
2×4
|
56/0.30
|
11.0
|
14.0
|
4.95
|
5.09
|
|
|
2×6
|
84/0.30
|
12.5
|
17.0
|
3.30
|
3.39
|
366.0
|
394.5
|
3×0.75
|
24/0.20
|
6.6
|
8.8
|
26.0
|
26.7
|
|
|
3×1
|
32/0.20
|
6.8
|
9.2
|
19.5
|
20.0
|
97.4
|
105.0
|
3×1.5
|
30/0.25
|
8.4
|
11.0
|
13.3
|
13.7
|
|
|
3×2.5
|
49/0.25
|
10.0
|
13.0
|
7.98
|
8.21
|
205.1
|
219.2
|
3×4
|
56/0.30
|
11.5
|
14.5
|
4.95
|
5.09
|
4
|
|
3×6
|
84/0.30
|
13.0
|
18.0
|
3.30
|
3.39
|
|
497.7
|
4×0.75
|
24/0.20
|
7.2
|
9.6
|
26.0
|
26.7
|
52.5
|
|
4×1
|
32/0.2
|
7.6
|
10.0
|
19.5
|
20.0
|
|
125.2
|
4×1.5
|
30/0.25
|
9.4
|
12.5
|
13.3
|
13.7
|
117.1
|
|
4×2.5
|
49/0.25
|
11.0
|
14.0
|
7.98
|
8.21
|
|
270.9
|
4×4
|
56/0.30
|
13.0
|
16.5
|
4.95
|
5.09
|
255.2
|
|
4×6
|
84/0.30
|
14.5
|
20.0
|
3.30
|
3.39
|
564.0
|
594.0
|
3×1.5+1×1.0
|
30/0.25+32/0.20
|
9.4
|
12.0
|
13.3
|
13.7
|
170.1
|
181.9
|
3×2.5+1×1.5
|
49/0.25+30/0.25
|
11.0
|
14.0
|
7.98
|
8.21
|
246.8
|
262.9
|
3×4+1×2.5
|
56/0.30+49/0.25
|
13.0
|
16.0
|
4.95
|
5.09
|
359.1
|
380.2
|
3×6+1×4
|
84/0.30+56/0.30
|
14.5
|
19.5
|
3.30
|
3.39
|
542.1
|
572.5
|
5×0.75
|
24/0.20
|
8.0
|
11.0
|
26.0
|
26.7
|
127.1
|
136.8
|
5×1
|
32/0.20
|
8.4
|
11.5
|
19.5
|
20.0
|
144.3
|
154.5
|
5×1.5
|
30/0.25
|
10.0
|
13.5
|
13.3
|
13.7
|
210.5
|
223.6
|
5×2.5
|
49/0.25
|
12.5
|
15.5
|
7.98
|
8.21
|
304.3
|
322.4
|
5×4
|
56/0.30
|
14.5
|
18.0
|
4.95
|
5.09
|
441.8
|
464.5
|
5×6
|
84/0.30
|
16.5
|
22.5
|
3.30
|
3.39
|
687.5
|
724.0
|
主線芯截面(mm)
|
長期連續(xù)負荷允許截流量(A)
|
||||||
YZ、YZW型 YZ、YZW type
|
YC、YCW型 YC、YCW type
|
||||||
二芯
|
三芯
|
四芯
|
單芯
|
二芯
|
三芯
|
四芯
|
|
0.75
|
14
|
12
|
11
|
|
|
|
|
1.0
|
17
|
14
|
13
|
|
|
|
|
1.5
|
21
|
18
|
18
|
|
|
|
|
20
|
26
|
22
|
22
|
|
|
|
|
25
|
30
|
25
|
25
|
37
|
30
|
26
|
27
|
40
|
41
|
35
|
35
|
47
|
39
|
34
|
34
|
60
|
53
|
45
|
45
|
52
|
51
|
44
|
44
|
10
|
|
|
|
75
|
74
|
63
|
63
|
16
|
|
|
|
112
|
96
|
84
|
84
|
25
|
|
|
|
148
|
135
|
115
|
116
|
35
|
|
|
|
188
|
167
|
142
|
143
|
50
|
|
|
|
226
|
208
|
176
|
177
|
環(huán)境溫度
|
15
|
20
|
25
|
30
|
35
|
40
|
換算系數(shù)
|
1.12
|
1.06
|
1.00
|
0.94
|
0.87
|
0.97
|