Conductor Cross Section

Parameters

Short Circuit Current kA for 1 second

Continuous Current Rating [Amperes]

R_dc at 20°C

R_dc at 90°C

Inductance (Nominal) mH/km

Capacitance (Nominal)

Single Circuit in Ground

In Free Air & Shaded Area

Close Trefoil

Flat**

Close Trefoil

Flat**

[mm²]

W/km

W/km

Trefoil

Flat

mF/km

Conductor

Screen*

Both Ends

Single/ cross

Single/ cross

Both Ends

Single/ cross

Single/ cross

300

0.0601

0.0788

0.42

0.83

0.17

42.93

31.5

348

394

455

558

607

692

400

0.0470

0.0627

0.41

0.80

0.19

57.23

31.5

383

445

516

629

699

802

500

0.0366

0.0503

0.39

0.78

0.20

71.54

31.5

417

502

585

707

805

933

630

0.0283

0.0408

0.37

0.75

0.22

90.14

31.5

452

561

660

787

921

1080

800

0.0221

0.0340

0.36

0.73

0.24

114.47

31.5

481

619

735

860

1033

1229

1000

0.0176

0.0240

0.34

0.69

0.28

143.08

31.5

537

742

870

1008

1285

1518

1200

0.0151

0.0211

0.33

0.68

0.29

171.70

31.5

558

793

936

1066

1394

1661

1600

0.0113

0.0169

0.32

0.65

0.32

228.93

31.5

594

889

1068

1172

1605

1954

2000

0.0090

0.0144

0.31

0.63

0.35

286.17

31.5

619

961

1176

1256

1780

2213