Fire Resistant Cable 

Fire Resistant Cable

600/1000V Mica+xlPe Insulated, lsZH sheathed Power cables (2-4 cores)

FFX400 1mRZ1-R (CU/MGT+XLPE/LSZH 600/1000V Class 2)
FFX400 1mRMZ1-R (CU/MGT+XLPE/LSZH/SWA/LSZH 600/1000V Class 2)

FFX400 1mRZ1-R (CU/MGT+XLPE/LSZH 600/1000V Class 2)

APPLICATION
This cable is designed for areas where the integrity of the electrical properties circuit is critical in maintaining power supply. Applications can be found in emergency lightings, control and power circuits, power stations, fi re alarm systems, underground tunnels, communications systems, sewage treatment plants, lifts, escalators, and high-rise buildings.

STANDARDS
Basic design to IEC 60502-1/BS 7846

FIRE PERFORMANCE

Circuit Integrity

IEC 60331-21; BS 6387 CWZ; DIN VDE 0472-814(FE180);
CEI 20-36/2-1; SS229-1; NBN C 30-004 (cat. F3); NF C32-070-2.3(CR1); BS 7846-(F2)

System circuit integrity

DIN 4102-12, E30 depending on lay system

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Note: Asterisk * denotes superseded standard.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: Mica glass tape covered by extruded cross-linked XLPE compound
Cabling: The cores are cabled together in concentric layers with suitable non-hygroscopic fillers.
Inner Sheath(optional): Thermoplastic LSZH compound type LTS3 as per BS 7655-6.1
Armouring(optional): Galvanized steel wire armour
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
2 - Core: (Brown & Blue)
3 - Core: (Brown, Black & Grey)
4 - Core: (Brown, Black, Grey & Blue)
Sheath Colour
Orange (other colors upon request)

Physical AND THERMAL PROPERTIES
Temperature range during operation (fixed state): -30°C – +90°C
Temperature range during installation (mobile state): -20°C – +50°C
Minimum bending radius: 8 x Overall Diameter (unarmoured cable)
10 x Overall Diameter (armoured cable)

Electrical PROPERTIES

Dielectric test:

3500 V r.m.s. x 5' (core/core)

Insulation resistance

1000 MΩ x km (at 20°C)

Short circuit temperature

250°C

CONSTRUCTION PARAMETERS

Conductor

FFX400 1mRZ1-R

FFX400 1mRMZ1-R

No. of Core X Cross Section

No./ Nominal Diameter of Strands

Dia. of Conductor

Nominal Insulation
Thickness

Unarmoured Cable

Armoured Cable

Nominal Overall Diameter

Approx. Weight

Nominal Overall
Diameter

Approx.
Weight

No*mm2

No./mm

mm

mm

mm

kg/km

mm

kg/km

2 Core

1.5

7/0.53

1.59

0.7

12.2

150

15.3

390

2.5

7/0.67

2.01

0.7

12.6

180

16.5

450

4

7/0.85

2.55

0.7

14.7

250

17.6

525

6

7/1.04

3.12

0.7

16.2

290

18.8

620

10

7/1.35

4.05

0.7

17.1

450

21

800

16

7/1.70

5.1

0.7

19.2

550

23

1100

25

7/2.14

6.42

0.9

20

680

27

1480

35

19/1.53

7.65

0.9

22

940

30

2000

50

19/1.78

8.9

1

24

1250

33

2450

70

19/2.14

10.7

1.1

27

1700

37

3200

95

19/2.52

12.6

1.1

31

2300

42

4350

120

37/2.03

14.21

1.2

36

3150

48

6500

3-Core

1.5

7/0.53

1.59

0.7

12.3

170

16.5

420

2.5

7/0.67

2.01

0.7

13.8

200

17

500

4

7/0.85

2.55

0.7

15.2

300

18.5

600

6

7/1.04

3.12

0.7

16.8

380

19.8

785

10

7/1.35

4.05

0.7

18

550

22.6

1030

16

1/1.70

5.1

0.7

21

760

25

1370

25

7/2.14

6.42

0.9

22

960

29

1900

35

19/1.53

7.65

0.9

24

1300

32

2300

50

19/1.78

8.9

1

28

1700

35

2900

70

19/2.14

10.7

1.1

31

2400

40

4000

95

19/2.52

12.6

1.1

36

3250

45

5400

120

37/2.03

14.21

1.2

38

4000

49

6450

150

37/2.25

15.75

1.4

42

5000

55

8200

185

37/2.52

17.64

1.6

47

6100

60

9800

240

61/2.25

20.25

1.7

52

8000

68

12300

300

61/2.52

22.68

1.8

59

9850

74

14800

400

61/2.85

25.65

2

63

13000

83

17600

4-Core

1.5

7/0.53

1.59

0.7

14.3

210

16

475

2.5

7/0.67

2.01

0.7

15.2

270

17.8

570

4

7/0.85

2.55

0.7

17.2

380

19.8

690

6

7/1.04

3.12

0.7

19

440

21

940

10

7/1.35

4.05

0.7

20.6

670

23.3

1200

16

1/1.70

5.1

0.7

23.6

820

26.5

1400

25

7/2.14

6.42

0.9

26

1320

30.5

2400

35

19/1.53

7.65

0.9

29

1730

34

2800

50

19/1.78

8.9

1

32

2300

38

3500

70

19/2.14

10.7

1.1

38

3180

44

5300

95

19/2.52

12.6

1.1

41.9

4370

48.5

6700

120

37/2.03

14.21

1.2

44

5400

54

8500

150

37/2.25

15.75

1.4

50.8

6500

59

10000

185

37/2.52

17.64

1.6

55

8200

64.5

12200

240

61/2.25

20.25

1.7

60.5

10600

74

15400

300

61/2.52

22.68

1.8

68.5

13200

82

19500

400

61/2.85

25.65

2

76

17000

92

25500

Electrical PROPERTIES
Conductor Operating Temperature : 90°C
Ambient Temperature : 30°C
FFX400 1mRZ1-R
Current-Carrying Capacities (Amp)

Nominal
Cross
Section
Area
Reference
Method 4
(enclosed in an conduit
insulated wall etc)
Reference Method 3
(enclosed in conduit on a wall or ceiling, or in trunking)
Reference Method 1 (clipped direct) Reference Method 11
(on a perforated cable tray), or Reference Method
one 3-core
cable or one
4-core cable
3-phase a.c.

one 2-core cable single phase a.c. or d.c.

one 3-core
cable or one 4-core cable 3-phase a.c.
one 2-core
cable single phase a.c. or d.c.
one 3-core cable or one 4-core cable
3-phase a.c.
one 2-core cable single phase a.c. or
d.c.
one 3-core cable or one 4-core cable 3-phase a.c.

1

2

3

4

5

6

7

8

mm2

A

A

A

A

A

A

A

1.5

16.5

22

19.5

24

22

26

23

2.5

22

30

26

33

30

36

32

4

30

40

35

45

40

49

42

6

38

51

44

58

52

63

54

10

51

69

60

80

71

86

75

16

68

91

80

107

96

115

100

25

89

119

105

138

119

149

127

35

109

146

128

171

147

185

158

50

130

175

154

209

179

225

192

70

164

221

194

269

229

289

246

95

197

265

233

328

278

352

298

120

227

305

268

382

322

410

346

150

259

334

300

441

371

473

399

185

295

384

340

506

424

542

456

240

346

459

398

599

500

641

538

300

396

532

455

693

576

741

621

400

-

625

536

803

667

865

741

Voltage Drop (Per Amp Per Meter)

Nominal Cross Section Area

2-core cable d.c.

2-core cable single-phase a.c

3-core or 4-core cable 3-phase a.c.

1

2

3

4

mm2

mV/A/m

mV/A/m

mV/A/m

1.5

31

31

27

2.5

19

19

16

4

12

12

10

6

7.9

7.9

6.8

10

4.7

4.7

4

16

2.9

2.9

2.5

 

 

r

x

z

r

x

z

25

1.85

1.85

0.16

1.9

1.6

0.14

1.65

35

1.35

1.35

0.155

1.35

1.15

0.135

1.15

50

0.98

0.99

0.155

1

0.86

0.135

0.87

70

0.67

0.67

0.15

0.69

0.59

0.13

0.6

95

0.49

0.5

0.15

0.52

0.43

0.13

0.45

120

0.39

0.4

0.145

0.42

0.34

0.13

0.37

150

0.31

0.32

0.145

0.35

0.28

0.125

0.3

185

0.25

0.26

0.145

0.29

0.22

0.125

0.26

240

0.195

0.2

0.14

0.24

0.175

0.125

0.21

300

0.155

0.16

0.14

0.21

0.14

0.12

0.185

400

0.12

0.13

0.14

0.19

0.115

0.12

0.165

FFX400 1mRMZ1-R
Current-Carrying Capacities (Amp)

Nominal
Cross
Section
Area
Reference Method 1 (clipped direct) Reference Method 11
(on a perforated cable tray), or Reference Method
In single-way ducts Laid direct in ground
one 2-core
cable single phase a.c. or d.c.
one 3-core cable or one 4-core cable
3-phase a.c.
one 2-core cable single phase a.c. or
d.c.
one 3-core cable or one 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)

Nominal Cross Section 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. In ducts
or in ground

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

31

27

31

25

2.5

19

19

16

19

15

4

12

12

10

12

9.7

6

7.9

7.9

6.8

7.9

6.5

10

4.7

4.7

4

4.7

3.9

16

2.9

2.9

2.5

2.9

2.6

 

 

r

x

z

r

x

z

 

 

25

1.85

1.35

0.16

1.9

1.6

0.14

1.65

1.9

1.6

35

1.35

1.35

0.155

1.35

1.15

0.135

1.15

1.35

1.2

50

0.98

0.99

0.155

1

0.86

0.135

0.87

1

0.87

70

0.67

0.67

0.15

0.69

0.59

0.13

0.6

0.69

0.61

95

0.49

0.5

0.15

0.52

0.43

0.13

0.45

0.52

0.45

120

0.39

0.4

0.145

0.42

0.34

0.13

0.37

0.42

0.36

150

0.31

0.32

0.145

0.35

0.28

0.125

0.3

0.35

0.3

185

0.25

0.26

0.145

0.29

0.22

0.125

0.26

0.29

0.25

240

0.195

0.2

0.14

0.24

0.175

0.125

0.21

0.24

0.21

300

0.155

0.16

0.14

0.21

0.14

0.12

0.185

0.21

0.19

400

0.12

0.13

0.14

0.19

0.115

0.12

0.165

0.19

0.18

Note : r = conductor resistance at operating temperature
x = reactance
z = impedance