Fire Resisting Cable |
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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)

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 |
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|---|---|---|---|---|---|
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.: |
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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. |
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|---|---|---|---|---|---|---|---|---|
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) |
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Cables touching |
Cables spaced* |
Cables touching, Trefoil |
Cables touching, flat |
Cables spaced*, flat |
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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.







