Fire Resisting Cable

Fire Resisting Cables

300/500V Mica+LSZH Insulated, Non-sheathed Power Cables to BS EN 50525-3-41 (Single Core)

FFX100 05mZ-U/K (CU/MGT+LSZH 300/500V Class 1/5)

APPLICATION

300/500V Mica+LSZH Insulated, Non-sheathed Power Cables to BS EN 50525-3-41 (Single Core) 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 EN 50525-3-41(formerly BS 7211)

FFX100 05mZ-U/K (CU/MGT+LSZH 300/500V Class 1/5)

FIRE PERFORMANCE


Circuit Integrity

IEC 60331-21; BS 6387

Flame Retardance (Single vertical wire or cable test)

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

Halogen free

IEC 60754-1; EN 50267-2-1

No Corrosive Gas Emission

IEC60754-2; EN 50267-2-2

Minimum Smoke Emission

IEC 61034-2; EN 61034-2

VOLTAGE RATING

300/500V

CABLE CONSTRUCTION

Conductor : Copper conductor according to BS EN 60228 class 1/5.

Fire Barrier : Mica glass tape.

Insulation : Crosslinked polyolefin material type EI 5 according to EN 50363-5.

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

properties can be offered as option.

COLOUR CODE

Black, Blue, Brown, Grey, Orange, Pink, Red, Turquoise, Violet, White, Green and Yellow. Bi-colours of any

combination of the above mono-colours are permitted.

PHYSICAL AND THERMAL PROPERTIES

Maximum temperature range during operation : 90°C

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

Minimum bending radius : 4 x Overall Diameter

CONSTRUCTION PARAMETERS


Conductor

FFX100 05mZ-U/K

No. of Cores × Cross-sectional Area

Conductor Class

Nominal Insulation Thickness

Min. Overall Diameter

Max. Overall Diameter

Approx. Weight

No.×mm²

 

mm

mm

mm

kg/km

1×0.5

1

0.6

2.9

3.4

13.5

1×0.75

1

0.6

3.1

3.6

16.5

1×1.0

1

0.6

3.2

3.8

19.7

1×0.5

5

0.6

3.1

3.6

14.2

1×0.75

5

0.6

3.2

3.8

17.7

1×1.0

5

0.6

3.4

3.9

20.7

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)


Conductor cross-sectional area

Single-phase a.c.

Three-phase a.c.

mm²

A

A

0.5

3

3

0.75

6

6

1.0

10

10

Note: These values apply to the majority of cases. further information should be sought in unusual cases eg.:
When high ambient temperatures are involved, ie. above 30°C
Where long lengths are used
Where ventilation is restricted
Where the cords are used for other purposes, ego internal wiring of apparatus.

Voltage Drop (Per Amp Per Meter)


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

Cables spaced*

Cables touching, Trefoil

Cables touching, flat

Cables spaced*, flat

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

0.5

101

101

101

101

87

87

87

87

0.75

68

68

68

68

59

59

59

59

1.0

50

50

50

50

44

44

44

44

Note: *Spacings larger than one cable diameter will result in a large voltage drop.