Show Menu

Download Appendixes

Introduction to Coaxial Cable 

Coaxial Necessary Data

Telephone cables

Instrument Cables

Power And Control Cables

Site Home Page Products Page Instrument Cables Rated Voltage 500v EN 50288-7 RE-2X(ST)YRY Fire Resistant Multi-Core

Multi-Core

 

Criteria

Standard Values

Unit

Conductor cross section

Nominal

0.5

0.75

1

1.5

2.5

mm²

Conductor DC Resistance @ 20oC

max.

36.7

25.0

18.5

12.3

7.4

Ohm/kM

Insulation resistance

min.

1000

MOhm x km

Mutual capacitance

max.

150

nF/km

Capacitance unbalance

max.

500

pF/500m

L/R (ratio)

max.

25

25

25

40

60

microH/Ohm

Test voltage :

for 1 minute

2.0 kV A.C or 3.0 kV D.C

K.V

core to core

core to screen

Operating voltage U(rms)

 

500

V

Nominal cross section area of conductor

Insulation thickness

Armour Wire Diameter

Diameter Under Armour

Sheath thickness

Overall Diameter

Weight

Standard Packing Length

mm2

mm

mm

mm

mm

mm

Kg/Km

meter

Conductor : 0.5 mm2 (7x0.30 mm)

2x0.5

0.6

0.9

7.4

1.3

11.8

254

1000

3x0.5

0.6

0.9

7.9

1.3

12.3

277

1000

4x0.5

0.6

0.9

8.5

1.3

12.9

304

1000

5x0.5

0.6

0.9

9.3

1.4

13.9

336

1000

6x0.5

0.6

0.9

10.0

1.4

14.6

369

1000

7x0.5

0.6

0.9

10.0

1.4

14.6

378

1000

8x0.5

0.6

0.9

11.6

1.4

16.2

429

1000

10x0.5

0.6

0.9

12.6

1.4

17.2

474

1000

12x0.5

0.6

0.9

13.0

1.4

17.6

507

1000

16x0.5

0.6

0.9

14.4

1.5

19.2

587

1000

20x0.5

0.6

1.25

16.0

1.5

21.5

799

1000

24x0.5

0.6

1.25

17.8

1.6

23.5

903

1000

30x0.5

0.6

1.25

18.8

1.6

24.5

991

500

Conductor : 0.75 mm2 (7x0.37 mm)

2x0.75

0.6

0.9

7.9

1.3

12.3

275

1000

3x0.75

0.6

0.9

8.3

1.3

12.7

296

1000

4x0.75

0.6

0.9

9.0

1.4

13.6

337

1000

5x0.75

0.6

0.9

9.8

1.4

14.4

368

1000

6x0.75

0.6

0.9

10.7

1.4

15.3

404

1000

7x0.75

0.6

0.9

10.7

1.4

15.3

416

1000

8x0.75

0.6

0.9

12.3

1.4

16.9

472

1000

10x0.75

0.6

0.9

13.4

1.5

18.2

536

1000

12x0.75

0.6

0.9

13.9

1.5

18.7

570

1000

16x0.75

0.6

0.9

15.4

1.5

20.2

661

1000

20x0.75

0.6

1.25

17.2

1.6

22.9

900

1000

24x0.75

0.6

1.25

19.0

1.6

24.7

1020

500

30x0.75

0.6

1.25

20.2

1.6

25.9

1136

500

Nominal cross section area of conductor

Insulation thickness

Armour Wire Diameter

Diameter Under Armour

Sheath thickness

Overall Diameter

Weight

Standard Packing Length

mm2

mm

mm

mm

mm

mm

Kg/Km

meter

Conductor : 1.0 mm2 (7x0.43 mm)

2x1

0.6

0.9

8.2

1.3

12.6

289

1000

3x1

0.6

0.9

8.7

1.4

13.3

319

1000

4x1

0.6

0.9

9.5

1.4

14.1

358

1000

5x1

0.6

0.9

10.3

1.4

14.9

397

1000

6x1

0.6

0.9

11.2

1.4

15.8

437

1000

7x1

0.6

0.9

11.2

1.4

15.8

452

1000

8x1

0.6

0.9

13.0

1.4

17.6

511

1000

10x1

0.6

0.9

14.2

1.5

19.0

582

1000

12x1

0.6

0.9

14.6

1.5

19.4

628

1000

16x1

0.6

1.25

16.2

1.5

21.7

857

1000

20x1

0.6

1.25

18.1

1.6

23.8

997

1000

24x1

0.6

1.25

20.1

1.6

25.8

1120

500

30x1

0.6

1.25

21.3

1.6

27.0

1255

500

Conductor : 1.5 mm2 (7x0.53 mm)

2x1.5

0.6

0.9

8.8

1.4

13.4

323

1000

3x1.5

0.6

0.9

9.4

1.4

14.0

359

1000

4x1.5

0.6

0.9

10.2

1.4

14.8

399

1000

5x1.5

0.6

0.9

11.1

1.4

15.7

445

1000

6x1.5

0.6

0.9

12.1

1.4

16.7

497

1000

7x1.5

0.6

0.9

12.1

1.4

16.7

518

1000

8x1.5

0.6

0.9

14.1

1.5

18.9

597

1000

10x1.5

0.6

0.9

15.4

1.5

20.2

674

1000

12x1.5

0.6

1.25

15.9

1.5

21.4

853

1000

16x1.5

0.6

1.25

17.7

1.6

23.4

1014

1000

20x1.5

0.6

1.25

19.7

1.6

25.4

1161

500

24x1.5

0.6

1.6

21.9

1.7

28.5

1501

500

30x1.5

0.6

1.6

23.2

1.7

29.8

1692

500

Nominal cross section area of conductor

Insulation thickness

Armour Wire Diameter

Diameter Under Armour

Sheath thickness

Overall Diameter

Weight

Standard Packing Length

mm2

mm

mm

mm

mm

mm

Kg/Km

meter

Conductor : 2.5 mm2 (7x0.67 mm)

2x2.5

0.7

0.9

10.1

1.4

14.7

379

1000

3x2.5

0.7

0.9

10.7

1.4

15.3

427

1000

4x2.5

0.7

0.9

11.7

1.4

16.3

485

1000

5x2.5

0.7

0.9

12.8

1.5

17.6

556

1000

6x2.5

0.7

0.9

14.0

1.5

18.8

621

1000

7x2.5

0.7

0.9

14.0

1.5

18.8

653

1000

8x2.5

0.7

1.25

16.3

1.5

21.8

872

1000

10x2.5

0.7

1.25

17.8

1.6

23.5

1001

1000

12x2.5

0.7

1.25

18.5

1.6

24.2

1092

1000

16x2.5

0.7

1.25

20.6

1.6

26.3

1282

500

20x2.5

0.7

1.6

23.0

1.7

29.6

1682

500

24x2.5

0.7

1.6

25.6

1.8

32.4

1934

500

30x2.5

0.7

1.6

27.2

1.8

34.0

2192

500