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表10 227IEC08(RV-90)型300/500V
内部布线用导体温度为90℃的单芯软导体无护套电缆 |
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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 |
| 0.5 |
16/0.20 |
0.6 |
2.6 |
39.0 |
40.1 |
0.013 |
GB5023.3-1997 |
| 0.5 |
28/0.15 |
0.6 |
2.6 |
39.0 |
40.1 |
0.013 |
GB5023.3-1997 |
| 0.75 |
24/0.20 |
0.6 |
2.8 |
26.0 |
26.7 |
0.012 |
GB5023.3-1997 |
| 0.75 |
42/0.15 |
0.6 |
2.8 |
26.0 |
26.7 |
0.012 |
GB5023.3-1997 |
| 1 |
32/0.20 |
0.6 |
3.0 |
19.5 |
20.0 |
0.010 |
GB5023.3-1997 |
| 1.5 |
48/0.20 |
0.7 |
3.5 |
13.3 |
13.7 |
0.009 |
GB5023.3-1997 |
| 2.5 |
77/0.20 |
0.8 |
4.2 |
7.98 |
8.21 |
0.009 |
GB5023.3-1997 |
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