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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
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
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