Firetox Flame Retardant Cables 

Firetox Flame Retardant Cables

450/750V XLPE Insulated, LSZH Sheathed Power Cables to BS 7211 (Single Core)

FTX300 07RZ1-U/R (CU/XLPE/LSZH 450/750V Class 1/2)

BS Code: 6181B

 

APPLICATION

450/750V XLPE Insulated, LSZH Sheathed Power Cables to BS 7211 (Single Core) are mainly used in

power stations, mass transit underground passenger systems, airports, petrochemical plants, hotels, hospitals

and high-rise buildings. This product type is TUV approved.

STANDARDS

Basic design to BS 7211:2012

 

FTX300 07RZ1-U/R (CU/XLPE/LSZH 450/750V Class 1/2)

FIRE PERFORMANCE

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

CPR Compliance

Eca

VOLTAGE RATING

450/750V

CABLE CONSTRUCTION

Conductor : Annealed copper conductor, solid or stranded according to BS EN 60228 class 1 or class 2.

Insulation : XLPE type GP8 according to BS 7655-1.3. Crosslinked polyolefin material type EI 5 according to EN

50363-5 can be offered as option.

Outer Sheath : Extruded LSZH type LTS 4 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.

Sheath Colour : White; 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 :

OD<8mm : 4 × Overall Diameter

8mm≤OD≤12mm : 5 × Overall Diameter

OD>12mm : 6 × Overall Diameter

CONSTRUCTION PARAMETERS

Conductor

FTX300 07RZ1-U/R

No. of Cores × Cross-sectional Area

Conductor Class

Nominal Insulation Thickness

Nominal Sheath Thickness

Min. Overall Diameter

Max. Overall Diameter

Approx. Weight

No.×mm²

 

mm

mm

mm

mm

kg/km

1×1.0

1

0.7

0.8

3.9

4.8

26

1×1.5

1

0.7

0.8

4.2

5.0

34

1×2.5

1

0.7

0.8

4.6

5.5

46

1×4

1

0.7

0.8

5.2

6.3

65

1×6

1

0.7

0.8

5.7

6.8

90

1×1.0

2

0.7

0.8

4.0

4.9

31

1×1.5

2

0.7

0.8

4.3

5.2

39

1×2.5

2

0.7

0.8

4.7

5.6

51

1×4

2

0.7

0.9

5.3

6.4

72

1×6

2

0.7

0.9

5.9

7.1

99

1×10

2

0.7

0.9

6.7

8.1

141

1×16

2

0.7

0.9

7.6

9.2

205

1×25

2

0.9

1.0

9.4

11.4

318

1×35

2

0.9

1.1

10.6

12.8

482

Note: The parameters listed above are nominal values as per cable standards. Actual values may vary due to material and manufacturing process variations. For precise specifications or customized requirements, please contact us for further information

ELECTRICAL PROPERTIES

Conductor operating temperature : 90°C

Ambient temperature : 30°C

Current-Carrying Capacities (Amp) according to BS 7671:2008 table 4E1A

Conductor cross-sectional area

Ref. Method A (enclosed in conduit in thermally insulating wall etc.)

Ref. Method B (enclosed in conduit on a wall or in trunking etc.)

Ref. Method C (clipped direct)

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

Ref. Method G (in free air) Spaced by one cable diameter

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

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

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

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

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

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

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

3 cables, three-phase a.c. flat

3 cables, three-phase a.c. trefoil

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

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

1.0

14

13

17

15

19

17.5

-

-

-

-

-

1.5

19

17

23

20

25

23

-

-

-

-

-

2.5

26

23

31

28

34

31

-

-

-

-

-

4

35

31

42

37

46

41

-

-

-

-

-

6

45

40

54

48

59

54

-

-

-

-

-

10

61

54

75

66

81

74

-

-

-

-

-

16

81

73

100

88

109

99

-

-

-

-

-

25

106

95

133

117

143

130

161

141

135

182

161

35

131

117

164

144

176

161

200

176

169

226

201

Voltage Drop (Per Amp Per Meter) according to BS 7671:2008 table 4E1B

                             

Conductor cross-sectional area

2 cables d.c.

2 cables, single-phase a.c.

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

Ref. Methods A&B (enclosed in conduit or trunking)

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

Ref. Methods A & B (enclosed in conduit or trunking)

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

Cables touching, Trefoil

Cables touching, flat

Cables spaced*, flat

Cables touching

Cables spaced*

1

2

3

4

5

6

7

8

9

mm²

mV/A/m

mV/A/m

mV/A/m

mV/A/m

mV/A/m

mV/A/m

mV/A/m

mV/A/m

1.0

46

46

46

46

40

40

40

40

1.5

31

31

31

31

27

27

27

27

2.5

19

19

19

19

16

16

16

16

4

12

12

12

12

10

10

10

10

6

7.9

7.9

7.9

7.9

6.8

6.8

6.8

6.8

10

4.7

4.7

4.7

4.7

4.0

4.0

4.0

4.0

16

2.9

2.9

2.9

2.9

2.5

2.5

2.5

2.5

 

 

r

x

z

r

x

z

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

1.85

0.28

1.85

1.60

0.27

1.65

1.60

0.165

1.60

1.60

0.190

1.60

1.60

0.27

1.65

35

1.35

1.35

0.29

1.35

1.35

0.180

1.35

1.35

0.27

1.35

1.15

0.25

1.15

1.15

0.155

1.15

1.15

0.180

1.15

1.15

0.26

1.20

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