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表3 227IEC01(BV)型450/750V
一般用途单芯硬导体无护套电缆 |
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导体标
称截面
mm2 |
导电线芯 |
绝缘厚度规定值
mm |
平均外径上限
mm |
20℃时导体电阻最大值
Ω/km |
70℃时绝缘电阻最小值
MΩ·km |
执行标准 |
| 根数/单线标称直径mm |
铜芯 |
镀锡铜芯 |
| 1.5 |
1/1.38 |
0.7 |
3.3 |
12.1 |
12.2 |
0.011 |
GB5023.3-1997 |
| 1.5 |
7/0.52 |
0.7 |
3.4 |
12.1 |
12.2 |
0.010 |
GB5023.3-1997 |
| 2.5 |
1/1.78 |
0.8 |
3.9 |
7.41 |
7.56 |
0.010 |
GB5023.3-1997 |
| 2.5 |
7/0.68 |
0.8 |
4.2 |
7.41 |
7.56 |
0.009 |
GB5023.3-1997 |
| 4 |
1/2.25 |
0.8 |
4.4 |
4.61 |
4.70 |
0.085 |
GB5023.3-1997 |
| 4 |
7/0.85 |
0.8 |
4.8 |
4.61 |
4.70 |
0.0077 |
GB5023.3-1997 |
| 6 |
1/2.76 |
0.8 |
4.9 |
3.08 |
3.11 |
0.0070 |
GB5023.3-1997 |
| 6 |
7/1.04 |
0.8 |
5.4 |
3.08 |
3.11 |
0.0065 |
GB5023.3-1997 |
| 10 |
7/1.35 |
1.0 |
6.8 |
1.83 |
1.84 |
0.0065 |
GB5023.3-1997 |
| 16 |
7/1.70 |
1.0 |
8.0 |
1.15 |
1.16 |
0.0050 |
GB5023.3-1997 |
| 25 |
7/2.14 |
1.2 |
9.8 |
0.727 |
0.734 |
0.0050 |
GB5023.3-1997 |
| 35 |
7/2.52 |
1.2 |
11.0 |
0.524 |
0.529 |
0.0040 |
GB5023.3-1997 |
| 50 |
19/1.78 |
1.4 |
13.0 |
0.387 |
0.391 |
0.0045 |
GB5023.3-1997 |
| 70 |
19/2.14 |
1.4 |
15.0 |
0.268 |
0.270 |
0.0035 |
GB5023.3-1997 |
| 95 |
19/2.52 |
1.6 |
17.0 |
0.193 |
0.195 |
0.0035 |
GB5023.3-1997 |
| 120 |
37/2.03 |
1.6 |
19.0 |
0.153 |
0.154 |
0.0032 |
GB5023.3-1997 |
| 150 |
37/2.25 |
1.8 |
21.0 |
0.124 |
0.126 |
0.0032 |
GB5023.3-1997 |
| 185 |
37/2.52 |
2.0 |
23.5 |
0.0991 |
0.100 |
0.0032 |
GB5023.3-1997 |
| 240 |
61/2.25 |
2.2 |
26.5 |
0.0754 |
0.0762 |
0.0032 |
GB5023.3-1997 |
| 300 |
61/2.52 |
2.4 |
29.5 |
0.0601 |
0.0607 |
0.0030 |
GB5023.3-1997 |
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