標(biāo)稱截面 mm2
|
0.5
|
0.75
|
1.0
|
1.5
|
2.5
|
4
|
6
|
|
20℃時(shí)導(dǎo)體電阻不大于Ω/km
|
A、B類
|
36.0
|
24.5
|
18.1
|
12.1
|
7.41
|
4.61
|
3.08
|
R類
|
39.0
|
26.0
|
19.5
|
13.3
|
7.98
|
4.95
|
3.30
|
|
90℃時(shí)絕緣電阻常數(shù)
|
≥3.67MΩ?km
|
|||||||
交流試驗(yàn)電壓50Hz
|
2.5kV/5min不擊穿
|
導(dǎo)體種類
|
標(biāo)稱截面 mm2
|
芯數(shù)
|
||||||
0.5
|
0.75
|
1.0
|
1.5
|
2.5
|
4
|
6
|
||
導(dǎo)體結(jié)構(gòu)
|
||||||||
B
|
7/0.3
|
7/0.37
|
7/0.43
|
7/0.52
|
7/0.68
|
7/0.85
|
7/1.04
|
2~37芯
|
R
|
16/0.20
|
24/0.20
|
32/0.20
|
32/0.25
|
49/0.25
|
56/0.30
|
84/0.30
|