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Fire Resisting Cable |
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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
600/1000V Mica+XLPE Insulated, LSZH Sheathed, Armoured Power Cables to BS 6724 (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 6724
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 |
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|---|---|---|---|---|---|---|---|
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) |
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|---|---|---|---|---|---|---|---|---|---|---|---|
Touching |
Touching |
Spaced by on cable diameter |
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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. |
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Horizontal |
Vertical |
Horizontal |
Vertical |
Horizontal |
Vertical |
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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) |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2 cables, single-phase a.c. |
3 or 4 cables, three-phase a.c. |
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Touching |
Spaced* |
Trefoil and touching |
Flat and touching |
Flat and spaced* |
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
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mm² |
mV/A/m |
mV/A/m |
mV/A/m |
mV/A/m |
mV/A/m |
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|
|
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
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