芯数截面
Nom.cross sectional areas mm²
 

导体结构
Conductor structure NO./mm
 

绝缘厚度
Insulation thickness mm
 

护套厚度
Sheath thickness mm
 

电缆外径
Average diameter
 

参考重量
Cable approx.
weight
kg/km
 

导体（铜）最大直流电阻
Max.D.C.
resistance(20 ℃ ) Ω /km
 

20 ℃载流量
Current carring capacity(20 ℃ )
A
 

标称
Normianal mm
 

最大
Max
mm
 

3 × 2.5+1 × 2.5
 

77/0.20
 

1.0
 

3.5
 

17.7
 

19.4
 

488
 

8.820
 

25
 

77/0.20
 

8.820
 

3 × 4+1 × 4
 

126/0.20
 

1.0
 

3.5
 

19.1
 

21.0
 

602
 

5.390
 

35
 

126/0.20
 

5.390
 

3 × 2.5+1 × 2.5+1 × 2.5
 

77/0.20
 

1.0
 

3.5
 

18.9
 

20.8
 

521
 

8.820
 

25
 

77/0.20
 

8.820
 

77/0.20
 

8.820
 

3 × 4+1 × 4+1 × 4
 

126/0.20
 

1.0
 

3.5
 

20.5
 

22.6
 

648
 

5.390
 

35
 

126/0.20
 

5.390
 

126/0.20
 

5.390