Firetox Flame Retardant Cables 

Firetox Flame Retardant Cables

600/1000V XLPE Insulated, LSZH Sheathed, Armoured Power Cables ((2-4cores)

FTX400 1RZ1-R (CU/XLPE/LSZH 600/1000V Class 2)
FTX400 1RZ1MZ1-R (CU/XLPE/LSZH/SWA/LSZH 600/1000V Class 2)

Firetox Flame Retardant Cables

APPLICATION
The cables are mainly used in power stations, mass transit underground passenger systems,
airports, petrochemical plants, hotels, hospitals, and high-rise buildings.

STANDARDS
Basic design to IEC 60502-1; BS 6724

FIRE PERFORMANCE

Flame Retardance (Single Vertical
Wire Test)

EN 60332-1-2; IEC 60332-1-2; BS EN 60332-1-2; VDE
0482-332-1 ; NBN C 30-004 (cat. F1); NF C32-070-2.1(C2); CEI 20-35/1-2; EN 50265-2-1*; DIN VDE 0482-265-2-1*

Reduced Fire Propagation
(Vertically-mounted bundled wires
& cable test)

EN 60332-3-24 (cat. C); IEC 60332-3-24; BS EN 60332-3-24; VDE 0482-332-3; NBN C 30-004 (cat. F2); NF C32-070-2.2(C1); CEI 20-22/3-4; EN 50266-2-4*; DIN VDE 0482-266-2-4

Halogen Free

IEC 60754-1; EN 50267-2-1; DIN VDE 0482-267-2-1; CEI 20-37/2-1 ; BS 6425-1*

No Corrosive Gas Emission

IEC 60754-2; EN 50267-2-2; DIN VDE 0482-267-2-2; CEI 20-37/2-2 ; BS 6425-2*

minimum Smoke Emission

IEC 61034-1&2; EN 61034 -1&2; DIN VDE 0482-1034-1&2; CEI 20-37/3-1&2; EN 50268-1&2*; BS 7622-1&2*

No Toxic gases

NES 02-713; NF C 20-454

Note: Asterisk * denotes superseded standard.

VOLTAGE RATING
600/1000V

CABLE CONSTRUCTION
Conductor: Plain annealed copper wire, stranded according to IEC(EN) 60228 class 2.
Insulation: Extruded cross-linked XLPE compound.
Inner Sheath(optional): LSZH Compound
Armouring(optional): Galvanized Steel Wire
Outer Sheath: Thermoplastic LSZH compound type LTS3 as per BS 7655-6.1 (Thermosetting LSZH
compound type SW2-SW4 as per BS 7655-2.6 can be offered.)

COLOUR CODE
Insulation colour as per bs7671

 

with earth conductor

without earth conductor

2Cores

-

Brown,Blue

3Cores

Yellow/Green,Brown,Blue

Brown,Gray,Black

4Cores

Yellow/Green,Brown,Gray,Black

Brown,Gray,Black,Blue

5Cores

Yellow/Green,Brown,Gray,Black,Blue

Brown,Gray,Black,Blue,Black

above 5 Cores

Yellow/Green,Black Numbered

Black Numbered

sheath colour: Black

Physical AND THERMAL PROPERTIES
Temperature range during operation: Max.90°C for XLPE
250°C in short-circuit for 5s max.
Minimum bending radius: 8 x Overall Diameter (unarmoured cable)
10 x Overall Diameter (armoured cable)

CONSTRUCTION PARAMETERS

Conductor FTX400 1RZ1-R FTX400 1RZ1MZ1-R

No. of
Core X
Cross
Section

No./
Nominal
Diameter
of
Strands

Nominal
Insulation
Thickness

Unarmoured Armoured

Nominal
Overall
Diameter

Approx.
Weight

Diameter
Under
Armour

Armour
Wire
Diameter

Nominal
Overall
Diameter

Approx.
Weight

mm2

No./mm

mm

mm

mm

mm

mm

mm

kg/km

2x1.5

7/0.53

0.7

10.0

126

8.5

0.9

13.9

350

2x2.5

7/0.67

0.7

10.8

158

9.3

0.9

14.7

400

2x4

7/0.85

0.7

11.9

205

10.4

0.9

15.8

475

2x6

7/1.04

0.7

13.0

264

11.5

0.9

16.9

560

2x10

7/1.35

0.7

14.9

378

13.4

1.25

19.5

810

2x16

7/1.70

0.7

17.0

534

15.5

1.25

21.6

980

2x25

7/2.14

0.9

20.4

650

18.9

1.6

25.7

1410

2x35

7/2.52

0.9

22.7

880

21.2

1.6

28.0

1930

3x1.5

7/0.53

0.7

10.5

145

9.0

0.9

14.4

390

3x2.5

7/0.67

0.7

11.4

185

9.9

0.9

15.3

450

3x4

7/0.85

0.7

12.5

247

11.0

0.9

16.4

540

3x6

7/1.04

0.7

13.8

323

11.6

1.25

17.7

745

3x10

7/1.35

0.7

15.8

474

14.3

1.25

20.4

950

3x16

7/1.70

0.7

18.0

682

16.5

1.25

23.0

1250

3x25

7/2.14

0.9

21.7

910

20.2

1.6

27.0

1840

3x35

7/2.52

0.9

24.0

1180

22.4

1.6

29.2

2050

3x50(S)

19/1.78

1.0

25.5

1600

24.2

1.6

31.2

2590

3x70(S)

19/2.14

1.1

29.0

2240

28.2

2.0

36.2

3560

3x95(S)

19/2.52

1.1

33.5

3050

31.7

2.0

40.1

4590

3x120(S)

37/2.03

1.2

37.5

3800

36.0

2.0

44.6

5810

3x150(S)

37/2.25

1.4

40.5

4640

39.5

2.5

49.5

6920

3x185(S)

37/2.52

1.6

45.0

5870

43.3

2.5

53.5

8340

3x240(S)

61/2.25

1.7

50.5

7670

48.4

2.5

59.0

10450

3x300(S)

61/2.52

1.8

57.0

9460

54.4

2.5

65.4

12700

3x400(S)

61/2.85

2.0

63.0

11945

57.8

2.5

70.0

15326

4x1.5

7/0.53

0.7

11.3

169

10.0

0.9

15.4

430

4x2.5

7/0.67

0.7

12.3

220

10.8

0.9

16.2

505

4x4

7/0.85

0.7

13.6

297

12.1

0.9

17.5

710

4x6

7/1.04

0.7

15.0

392

13.5

1.25

19.6

855

4x10

7/1.35

0.7

17.2

585

15.7

1.25

21.8

1120

4x16

7/1.70

0.7

19.7

851

18.2

1.6

25.0

1600

4x25

7/2.14

0.9

23.9

1200

22.4

1.6

29.2

2160

4x35(S)

7/2.52

0.9

25.0

1600

24.4

1.6

31.4

2560

4x50(S)

19/1.78

1.0

28.0

2200

28.0

1.6

35.2

3180

4x70(S)

19/2.14

1.1

32.0

3050

32.2

2.0

40.6

4490

4x95(S)

19/2.52

1.1

37.0

4070

36.0

2.0

44.6

5725

4x120(S)

37/2.03

1.2

42.0

5915

38.0

2.5

50.0

7550

4x150(S)

37/2.25

1.4

46.0

6350

42.8

2.5

53.0

8555

4x185(S)

37/2.52

1.6

50.0

7890

48.4

2.5

59.0

10560

4x240(S)

61/2.25

1.7

57.0

10400

55.0

2.5

66.0

13180

4x300(S)

61/2.52

1.8

63.0

12810

59.6

2.5

71.0

16100

4x400(S)

61/2.85

2.0

71.0

15869

66.1

3.15

79.4

20715

4x500(S)

61/3.20

2.2

78.0

20300

74.6

3.15

88.5

25347

(S) - Sectoral Stranded Conductors

Electrical PROPERTIES
Conductor Operating Temperature : 90°C
Ambient Temperature : 30°C

FTX400 1RZ1-R
Current-Carrying Capacities (Amp)

Conductor cross- sectional area

Reference
method 4 (enclosed in conduit
in thermally insulating wall etc)

Reference method 3 (enclosed in conduit on
a wall or in trunking etc)

Reference method
1 (clipped direct)

Reference method 11 (on a perforated cable tray, horizontal or vertical)

Reference method 12 (free air)

Horizontal flat spaced

Vertical flat spaced

Trefoil

 

2 cables, single- phase a.c. or d.c.

3 or 4 cables,
3-phase a.c.

2 cables, single- phase a.c. or d.c

3 or 4 cables,
3-phase a.c.

2 cables, single- phase a.c. or d.c. flat and touching

3 or 4 cables,
3-phase a.c. flat and touching or trefoil

2 cables, single- phase a.c. or d.c. or flat and touching

3 or 4 cables,
3-phase a.c. flat and touching or trefoil

2 cables, single- phase a.c. or d.c.
or 3 c ables three phase

2
cables, single- phase a.c. or d.c.
or 3 cables three phase

3 cables, trefoil
3-phase a.c.

1

2

3

4

5

6

7

8

9

10

11

12

mm2

A

A

A

A

A

A

A

A

A

A

A

1.5

18

17

22

19

25

23

-

-

-

-

-

2.5

24

23

30

26

34

31

-

-

-

-

-

4

33

30

40

35

46

41

-

-

-

-

-

6

43

39

51

45

59

54

-

-

-

-

-

10

58

53

71

63

81

74

-

-

-

-

-

16

76

70

95

85

109

99

-

-

-

-

-

25

100

91

126

111

143

130

158

140

183

163

138

35

125

111

156

138

176

161

195

176

226

203

171

50

149

135

189

168

228

209

293

215

274

246

209

70

189

170

240

214

293

268

308

279

351

318

270

95

228

205

290

259

355

326

375

341

426

389

330

120

263

235

336

299

413

379

436

398

495

453

385

150

300

270

375

328

476

436

505

461

570

524

445

185

341

306

426

370

545

500

579

530

651

600

511

240

400

358

500

433

644

590

686

630

769

711

606

300

459

410

573

493

743

681

794

730

886

824

701

400

-

-

684

584

868

793

915

849

1065

994

820

500

-

-

783

666

990

904

1044

973

1228

1150

936

Voltage Drop (Per Amp Per Meter)

Size of
conductor
2 cables
d.c.
2 cables, single-phase a.c. 3 or 4 cables, 3-phase a.c.
Ref. Methods 3
and 4 (enclosed
in conduit etc,
in or on a wall)
Ref. Methods 1
and 11 (clipped
direct or on trays
touching)
Ref. Methods 3
and 4 (enclosed
in conduit etc,
in or on a wall)
Ref. Methods 1,
11 and 12 (in
trefoil)
Ref. Methods 1 and
11(Flat and touching)

1

2

3

4

5

6

7

mm2

mV/A/m

mV/A/m

mV/A/m

mV/A/m

mV/A/m

mV/A/m

1.5

31

31

27

27

27

27

2.5

19

19

16

16

16

16

4

33

12

10

10

10

10

6

7.8

7.9

6.8

6.8

6.8

6.8

10

4.7

4.7

4.7

4

4

4

16

2.9

2.9

2.9

2.5

2.5

2.5

 

 

r

x

z

r

x

z

r

x

z

r

x

z

r

x

z

25

1.85

1.85

0.31

1.90

1.85

0.190

1.85

1.60

0.27

1.65

1.600

0.165

1.600

1.600

0.190

1.600

35

1.35

1.35

0.29

1.35

1.35

0.180

1.35

1.15

0.25

1.15

1.150

0.155

1.50

1.150

0.180

1.150

50

0.99

1.00

0.29

1.05

0.99

0.180

1.00

0.87

0.25

0.90

0.860

0.155

0.870

0.860

0.180

0.870

70

0.68

0.70

0.28

0.75

0.68

0.175

0.71

0.60

0.24

0.65

0.590

0.150

0.610

0.590

0.175

0.620

95

0.49

0.51

0.27

0.58

0.49

0.170

0.52

0.44

0.23

0.50

0.430

0.145

0.450

0.430

0.170

0.460

120

0.39

0.41

0.26

0.48

0.39

0.165

0.43

0.35

0.23

0.42

0.340

0.140

0.370

0.340

0.165

0.380

150

0.32

0.33

0.26

0.43

0.32

0.165

0.36

0.29

0.23

0.37

0.280

0.140

0.310

0.280

0.165

0.320

185

0.25

0.27

0.26

0.37

0.26

0.165

0.30

0.23

0.23

0.32

0.220

0.140

0.260

0.220

0.165

0.280

240

0.19

0.21

0.26

0.33

0.20

0.160

0.25

0.185

0.22

0.29

0.170

0.140

0.220

0.170

0.165

0.240

300

0.155

0.175

0.25

0.31

0.16

0.160

0.22

0.150

0.22

0.27

0.140

0.140

0.195

0.135

0.160

0.210

400

0.12

0.140

0.25

0.29

0.13

0.155

0.20

0.125

0.22

0.25

0.110

0.135

0.175

0.110

0.160

0.195

500

0.093

0.120

0.25

0.28

0.105

0.155

0.185

0.100

0.22

0.24

0.090

0.135

0.160

0.088

0.160

0.180

FTX400 1RZ1MZ1-R
Current-Carrying Capacities (Amp)

Conductor
crosssectional
area
Reference Method
1 (clipped
direct)
Reference Method
11 (on a perforated
horizontal cable trayor
Reference Method 13
[free air] )
In single-way
ducts
Laid direct in
ground
one
2-core
cable
single
phase
a.c. or
d.c.
one
3-core or
4-core
cable
3-phase
a.c.
one
2-core
cable
single
phase
a.c. or
d.c.
one
3-core or
4-core
cable
3-phase
a.c.
one
2-core
cable
single
phase
a.c. or
d.c.
one
3-core or
4-core
cable
3-phase
a.c.
one
2-core
cable
single
phase
a.c. or
d.c.
one
3-core or
4-core
cable
3-phase
a.c.

1

2

3

4

5

6

7

8

9

mm2

A

A

A

A

A

A

A

A

1.5

27

23

29

25

-

23

-

28

2.5

36

31

39

33

-

30

-

36

4

49

42

52

44

-

40

-

48

6

62

53

66

56

-

50

-

60

10

85

73

90

78

-

65

-

80

16

110

94

115

99

115

94

140

115

25

146

124

152

131

145

125

180

150

35

180

154

188

162

175

150

215

180

50

219

187

228

197

210

175

255

215

70

279

238

291

251

260

215

315

265

95

338

289

354

304

310

260

380

315

120

392

335

410

353

355

300

430

360

150

451

386

472

406

400

335

480

405

185

515

441

539

463

455

380

540

460

240

607

520

636

546

520

440

630

530

300

698

599

732

628

590

495

700

590

400

787

673

847

728

660

560

790

670

Voltage Drop (Per Amp Per Meter)

Conductor cross-sectional area

2-core cable d.c.

2 cables, single-phase a.c.

3 or 4 cables, 3-phase a.c.

2 cables, single- phase a.c.

3 or 4 cables,
3-phase a.c.

In ducts or in ground

In ducts or
in ground

1

2

3

4

5

6

mm2

mV/A/m

mV/A/m

mV/A/m

mV/A/m

mV/A/m

1.5

31.0

31.0

27.0

31.0

25.0

2.5

19.0

19.0

16.0

19.0

15.0

4

12.0

12.0

10.0

12.0

9.7

6

7.9

7.9

6.8

7.9

6.5

10

4.7

4.7

4.0

4.7

3.9

16

2.9

2.9

2.5

2.9

2.6

 

 

r

x

z

r

x

z

 

 

25

1.850

1.350

0.160

1.900

1.600

0.140

1.650

1.900

1.600

35

1.350

1.350

0.155

1.350

1.150

0.135

1.150

1.350

1.200

50

0.980

0.990

0.155

1.000

0.860

0.135

0.870

1.000

0.870

70

0.670

0.670

0.150

0.690

0.590

0.130

0.600

0.690

0.610

95

0.490

0.500

0.150

0.520

0.430

0.130

0.450

0.520

0.450

120

0.390

0.400

0.145

0.420

0.340

0.130

0.370

0.420

0.360

150

0.310

0.320

0.145

0.350

0.280

0.125

0.300

0.350

0.300

185

0.250

0.260

0.145

0.290

0.220

0.125

0.260

0.290

0.250

240

0.195

0.200

0.140

0.240

0.175

0.125

0.210

0.240

0.210

300

0.155

0.160

0.140

0.210

0.140

0.120

0.185

0.210

0.190

400

0.120

0.130

0.140

0.190

0.115

0.120

0.165

0.190

0.180