Fire Resistant Cable 

Fire Resistant Cable

600/1000V Mica+XLPE Insulated, LSZH Sheathed Power Cables (Single-Core)

FFX300 1mRZ1-R (CU/MGT+XLPE/LSZH 600/1000V Class 2)
FFX300 1mRMZ1-R (CU/MGT+XLPE/LSZH/AWA/LSZH 600/1000V Class 2)

FFX300 1mRZ1-R (CU/MGT+XLPE/LSZH 600/1000V Class 2)

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

STANDARDS
Basic design to IEC 60502-1 / BS 6724

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)

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Note: Asterisk * denotes superseded standard.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
600/1000 V

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
Inner Sheath (optional):Thermoplastic LSZH compound type LTS3 as per BS 7655-6.1
Armouring (optional): Aluminum 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: Natural (other colors upon request)
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

FFX300 1mRZ1-R

FFX300 1mRMZ1-R

Nominal Cross Section Area

No./ Nominal Diameter of Strands

Dia. of
Conductor

Nominal Insulation Thickness

Unarmoured Cable

Armoured Cable

Approx. Overall Diameter

Approx.
Weigh

Approx. Overall Diameter

Approx.
Weight

mm2

No./mm

mm

mm

mm

kg/km

mm

kg/km

1.5

7/0.53

1.59

0.7

6.5

54

-

-

2.5

7/0.67

2.01

0.7

6.8

67

-

-

4

7/0.85

2.55

0.7

7.5

86

-

-

6

7/1.04

3.12

0.7

8.1

110

-

-

10

7/1.35

4.05

0.7

9.2

155

-

-

16

7/1.70

5.1

0.7

10.2

220

-

-

25

7/2.14

6.42

0.9

11.9

325

-

-

35

19/1.53

7.65

0.9

13.2

425

-

-

50

19/1.78

8.9

1

14.6

600

18.5

780

70

19/2.14

10.7

1.1

16.6

820

20.5

1010

95

19/2.52

12.6

1.1

18.7

1100

23

1320

120

37/2.03

14.21

1.2

20.5

1350

24.5

1610

150

37/2.25

15.75

1.4

22.7

1640

27

2010

185

37.2.52

17.64

1.6

25.5

2040

29.5

2440

240

61/2.25

20.25

1.7

28.5

2650

34.5

3060

300

61/2.52

22.68

1.8

31.5

3260

36.9

3690

400

65/2.85

25.65

2

35.4

4130

41.5

4780

500

61/3.20

28.8

2.2

39

5200

45.5

5970

630

127/2.52

32.76

2.4

43.5

6600

50.5

7530

800

127/2.85

37.05

2.6

48.5

8300

56.8

9680

1000

127/3.20

41.6

2.8

53.5

10000

61.5

11980

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

FFX300 1mRZ1-R
Current-Carrying Capacities (Amp)

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

630

-

-

900

764

1130

1033

1191

1115

1423

1338

1069

800

-

-

-

-

1288

1179

1358

1275

1580

1485

1214

1000

-

-

-

-

1443

1323

1520

1436

1775

1671

1349

Voltage Drop (Per Amp Per Meter)

Nominal
Cross
Section
Area
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, Ref. Methods 1 and
11
11 and 12
(in trefoil)
(Flat and touching)

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

1.9

1.85

0.19

1.85

1.6

0.27

1.65

1.6

0.165

1.6

1.6

0.19

1.6

35

1.35

1.35

0.29

1.35

1.35

0.18

1.35

1.15

0.25

1.15

1.15

0.155

1.5

1.15

0.18

1.15

50

0.99

1

0.29

1.05

0.99

0.18

1

0.87

0.25

0.9

0.86

0.155

0.87

0.86

0.18

0.87

70

0.68

0.7

0.28

0.75

0.68

0.175

0.71

0.6

0.24

0.65

0.59

0.15

0.61

0.59

0.175

0.62

95

0.49

0.51

0.27

0.58

0.49

0.17

0.52

0.44

0.23

0.5

0.43

0.145

0.45

0.43

0.17

0.46

120

0.39

0.41

0.26

0.48

0.39

0.165

0.43

0.35

0.23

0.42

0.34

0.14

0.37

0.34

0.165

0.38

150

0.32

0.33

0.26

0.43

0.32

0.165

0.36

0.29

0.23

0.37

0.28

0.14

0.31

0.28

0.165

0.32

185

0.25

0.27

0.26

0.37

0.26

0.165

0.3

0.23

0.23

0.32

0.22

0.14

0.26

0.22

0.165

0.28

240

0.19

0.21

0.26

0.33

0.2

0.16

0.25

0.185

0.22

0.29

0.17

0.14

0.22

0.17

0.165

0.24

300

0.155

0.175

0.25

0.31

0.16

0.16

0.22

0.15

0.22

0.27

0.14

0.14

0.195

0.135

0.16

0.21

400

0.12

0.14

0.25

0.29

0.13

0.155

0.2

0.125

0.22

0.25

0.11

0.135

0.175

0.11

0.16

0.195

500

0.093

0.12

0.25

0.28

0.105

0.155

0.185

0.1

0.22

0.24

0.09

0.135

0.16

0.088

0.16

0.18

630

0.072

0.1

0.25

0.27

0.086

0.155

0.175

0.088

0.21

0.23

0.074

0.135

0.15

0.071

0.16

0.17

800

0.056

-

-

-

0.072

0.15

0.17

-

-

-

0.062

0.13

0.145

0.059

0.155

0.165

1000

0.045

-

-

-

0.063

0.15

0.165

-

-

-

0.055

0.13

0.14

0.05

0.155

0.165

FFX300 1mRMZ1-R
Current-Carrying Capacities (Amp)

Nominal Cross Section Area Reference Method 1 (clipped direct) Reference Method 11 (on perforated cable tray) Reference Method 12 (free air) In single-way ducts Laid direct in ground
2 cables singlephase a.c. or d.c. flat and touching 3 or 4 cables 3-phase a.c. flat and touching 2 cables singlephase a.c. or d.c. flat and touching 3 or 4 cables 3-phase a.c. flat and touching 3 cables 3-phase a.c. trefoil
touching
2 cables singlephase
a.c. or d.c. ducts touching
3 cables 3-phase a.c. trefoil touching 2 cables singlephase a.c. or d.c. touching 3 cables 3-phase a.c. trefoil touching

1

2

3

4

5

6

7

8

9

10

mm2

A

A

A

A

A

A

A

A

A

50

237

220

253

232

222

255

235

275

235

70

303

277

322

293

285

310

280

340

290

95

367

333

389

352

346

365

330

405

345

120

425

383

449

405

402

410

370

460

389

150

488

437

516

462

463

445

405

510

435

185

557

496

587

524

529

485

440

580

490

240

656

579

689

612

625

550

500

670

560

300

755

662

792

700

720

610

550

750

630

400

853

717

899

767

815

640

580

830

700

500

962

791

1016

851

918

690

620

910

770

630

1082

861

1146

935

1027

750

670

1000

840

800

1170

904

1246

987

1119

828

735

1117

931

1000

1261

961

1345

1055

1214

919

811

1254

1038

Voltage Drop (Per Amp Per Meter)

Nominal
Cross
Section
Area

2 cables
d.c.

2 cables singlephase
a.c.
3 or 4 cables three-phase a.c. 2 cables singlephase a.c. 3 or 4 cables, 3-phase a.c. touching
Reference Method
1& 11 (touching)
Reference Method
1, 11 & 12 (in trefoil touching)
Reference Method 1 & 11 (Flat touching) In ducts In ground In ducts In ground
1 2 3 4 5 6 7 8 9
  mV/A/m mV/A/m mV/A/m mV/A/m mV/A/m mV/A/m mV/A/m mV/A/m

 

 

r

x

z

r

x

z

r

x

z

 

 

 

 

50

0.98

0.99

0.21

1

0.86

0.18

0.87

0.84

0.25

0.88

1.1

0.99

0.93

0.86

70

0.67

0.68

0.2

0.71

0.59

0.17

0.62

0.6

0.25

0.65

0.8

0.7

0.7

0.61

95

0.49

0.51

0.195

0.55

0.44

0.17

0.47

0.46

0.24

0.52

0.65

0.53

0.56

0.46

120

0.39

0.41

0.19

0.45

0.35

0.165

0.39

0.38

0.24

0.44

0.55

0.43

0.48

0.37

150

0.31

0.33

0.185

0.38

0.29

0.16

0.33

0.31

0.23

0.39

0.5

0.37

0.43

0.32

185

0.25

0.27

0.185

0.33

0.23

0.16

0.28

0.26

0.23

0.34

0.45

0.31

0.39

0.27

240

0.195

0.21

0.18

0.28

0.18

0.155

0.24

0.21

0.22

0.3

0.4

0.26

0.35

0.23

300

0.155

0.17

0.175

0.25

0.145

0.15

0.21

0.17

0.22

0.28

0.37

0.24

0.32

0.21

400

0.115

0.145

0.17

0.22

0.125

0.15

0.195

0.16

0.21

0.27

0.35

0.21

0.3

0.19

500

0.093

0.125

0.17

0.21

0.105

0.145

0.18

0.145

0.2

0.25

0.33

0.2

0.28

0.18

630

0.073

0.105

0.165

0.195

0.092

0.145

0.17

0.135

0.195

0.24

0.3

0.19

0.26

0.17

800

0.056

0.09

0.16

0.19

0.086

0.14

0.165

0.13

0.18

0.23

0.28

0.18

0.24

0.16

1000

0.045

0.092

0.155

0.18

0.08

0.135

0.155

0.125

0.17

0.21

0.26

0.17

0.22

0.15

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