Fire Resisting Cable

Fire Resisting Cables

600/1000V Mica+XLPE Insulated, LSZH Sheathed, Armoured Power Cables to BS 6724 (Single Core)

FFX300 1mRZ1MAZ1-R (CU/MGT+XLPE/LSZH/AWA/LSZH 600/1000V Class 2)

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 adapted from BS 6724

FFX300 1mRZ1MAZ1-R (CU/MGT+XLPE/LSZH/AWA/LSZH 600/1000V Class 2)

FIRE PERFORMANCE


Circuit Integrity

IEC 60331-21; EN 6387; BS 8491

Flame Retardance (Single vertical wire or cable test)

IEC 60332-1-2; EN 60332-1-2

Reduced fire Propagation (Vertically-mounted bundled wires & cables test)

IEC 60332-3-24; EN 60332-3-24

Halogen Free

IEC 60754-1; EN 50267-2-1

No Corrosive Gas Emission

IEC 60754-2; EN 50267-2-2

Minimum Smoke Emission

IEC 61034-2; EN 61034-2

VOLTAGE RATING

600/1000V

CABLE CONSTRUCTION

Conductor : Annealed copper wire, stranded according to BS EN 60228 class 2.

Fire Barrier : Mica glass tape.

Insulation : XLPE type GP 8 according to BS 7655-1.3. HEPR type GP 6 according to BS 7655-1.2 or crosslinked

polyolefin material type EI 5 according to BS EN 50363-5 can be offered as option.

Bedding : Extruded layer of polymeric material.

Armouring : Aluminium wire.

Outer Sheath : Extruded layer of polymeric material LTS 1 according to BS 7655-6.1.

Outer Sheath Option : UV resistance, hydrocarbon resistance, oil resistance, anti-rodent and anti-termite

properties can be offered as option.

COLOUR CODE

Insulation Colour : Brown or blue; other colours can be offered upon request.

Sheath Colour : Black; other colours can be offered upon request.

PHYSICAL AND THERMAL PROPERTIES

Maximum temperature range during operation : 90°C

Maximum short circuit temperature (5 Seconds) : 250°C

Minimum bending radius : 6 × Overall Diameter

CONSTRUCTION PARAMETERS


Conductor

FFX300 1mRZ1MAZ1-R

No. of Cores × Cross-sectional Area

Conductor Class

Nominal Insulation Thickness

Nominal Bedding Thickness

Nominal AL Wire Armour Diameter

Nominal Sheath Thickness

Approx. Overall Diameter

Approx. Weight

no.×mm²

 

mm

mm

 

mm

mm

kg/km

1×50

2

1.0

0.8

0.9

1.5

18.5

696

1×70

2

1.1

0.8

1.25

1.5

21.2

949

1×95

2

1.1

0.8

1.25

1.6

23.3

1253

1×120

2

1.2

0.8

1.25

1.6

25.2

1533

1×150

2

1.4

1.0

1.6

1.7

28.4

1863

1×185

2

1.6

1.0

1.6

1.8

31.0

2304

1×240

2

1.7

1.0

1.6

1.8

33.8

2938

1×300

2

1.8

1.0

1.6

1.9

36.6

3626

1×400

2

2.0

1.2

2.0

2.0

41.5

4668

1×500

2

2.2

1.2

2.0

2.1

45.2

5795

1×630

2

2.4

1.2

2.0

2.2

49.8

7357

1×800

2

2.6

1.4

2.5

2.4

56.4

9380

1×1000

2

2.8

1.4

2.5

2.5

61.6

11660

ELECTRICAL PROPERTIES

Conductor operating temperature : 90°C

Ambient temperature : 30°C

Current-Carrying Capacities (Amp) according to BS 7671:2008 table 4E3A


Conductor cross-sectional area

Ref. Method C (clipped direct)

Ref. Method F (in free air or on a perforated cable tray, horizontal or vertical)

Touching

Touching

Spaced by on cable diameter

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

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

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

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

3 cables three-phase a.c. trefoil

2 cables, d.c.

2 cables, single-phase a.c.

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

Horizontal

Vertical

Horizontal

Vertical

Horizontal

Vertical

1

2

3

4

5

6

7

8

9

10

11

12

mm²

A

A

A

A

A

A

A

A

A

A

A

50

237

220

253

232

222

284

270

282

266

288

266

70

303

277

322

293

285

356

349

357

337

358

331

95

367

333

389

352

346

446

426

436

412

425

393

120

425

383

449

405

402

519

497

504

477

485

449

150

488

437

516

462

463

600

575

566

539

549

510

185

557

496

587

524

529

688

660

643

614

618

574

240

656

579

689

612

625

815

782

749

714

715

666

300

755

662

792

700

720

943

906

842

805

810

755

400

853

717

899

767

815

1137

1094

929

889

848

797

500

962

791

1016

851

918

1314

1266

1032

989

923

871

630

1082

861

1146

935

1027

1528

1474

1139

1092

992

940

800

1170

904

1246

987

1119

1809

1744

1204

1155

1042

978

1000

1261

961

1345

1055

1214

2100

2026

1289

1238

1110

1041

Voltage Drop (Per Amp Per Meter) according to BS 7671:2008 table 4E3B


Conductor cross-sectional area

2 cables d.c.

Ref. Methods C&F (clipped direct, on trays or in free air)

2 cables, single-phase a.c.

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

Touching

Spaced*

Trefoil and touching

Flat and touching

Flat and spaced*

1

2

3

4

5

6

7

mm²

mV/A/m

mV/A/m

mV/A/m

mV/A/m

mV/A/m

 

 

r

x

z

r

x

z

r

x

z

r

x

z

r

x

z

50

0.98

0.99

0.21

1.00

0.98

0.29

1.00

0.86

0.180

0.87

0.84

0.25

0.88

0.84

0.33

0.90

70

0.67

0.68

0.20

0.71

0.69

0.29

0.75

0.59

0.170

0.62

0.60

0.25

0.65

0.62

0.32

0.70

95

0.49

0.51

0.195

0.55

0.53

0.28

0.60

0.44

0.170

0.47

0.46

0.24

0.52

0.49

0.31

0.58

120

0.39

0.41

0.190

0.45

0.43

0.27

0.51

0.35

0.165

0.39

0.38

0.34

0.44

0.41

0.30

0.51

150

0.31

0.33

0.185

0.38

0.36

0.27

0.45

0.29

0.160

0.33

0.31

0.23

0.39

0.34

0.39

0.45

185

0.25

0.27

0.185

0.33

0.30

0.26

0.40

0.23

0.160

0.28

0.26

0.23

0.34

0.29

0.29

0.41

240

0.195

0.21

0.180

0.28

0.24

0.26

0.35

0.180

0.155

0.24

0.21

0.22

0.30

0.24

0.28

0.37

300

0.155

0.17

0.175

0.25

0.195

0.25

0.32

0.145

0.150

0.21

0.170

0.22

0.28

0.20

0.27

0.34

400

0.115

0.145

0.170

0.22

0.180

0.24

0.30

0.125

0.150

0.195

0.160

0.21

0.27

0.20

0.27

0.33

500

0.093

0.125

0.170

0.21

0.165

0.24

0.29

0.105

0.145

0.180

0.145

0.20

0.25

0.190

0.24

0.31

630

0.073

0.105

0.165

0.195

0.150

0.23

0.27

0.092

0.145

0.170

0.135

0.195

0.24

0.175

0.23

0.29

800

0.056

0.090

0.160

0.190

0.145

0.23

0.27

0.086

0.140

0.165

0.130

0.180

0.23

0.175

0.195

0.26

1000

0.045

0.092

0.155

0.180

0.140

0.21

0.25

0.080

0.135

0.155

0.125

0.170

0.21

0.165

0.180

0.24

Note : *Spacings larger than one cable diameter will result in a large voltage drop.
r = conductor resistance at operating temperature
x = reactance
z = impedance