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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 7846 (2-5 Cores & Multicore)
FFX400 1mRZ1MZ1-R (CU/MGT+XLPE/LSZH/SWA/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 to BS 7846
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 : Galvanized steel 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
2-core : Brown and blue.
3-core : Brown, black and grey.
4-core : Blue, brown, black and grey.
5-core : Green-and-yellow, blue, brown, black, grey.
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 : 8 x Overall Diameter
CONSTRUCTION PARAMETERS
Conductor |
FFX400 1mRZ1MZ1-R |
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|---|---|---|---|---|---|---|---|
No. of Cores × Cross-sectional Area |
Conductor Class |
Nominal Insulation Thickness |
Nominal Bedding Thickness |
Nominal Steel Wire Armour Diameter |
Nominal Sheath Thickness |
Approx. Overall Diameter |
Approx. Weight |
No.×mm² |
|
mm |
mm |
mm |
mm |
mm |
kg/km |
2 cores |
|||||||
2×1.5a |
2 |
0.6 |
0.8 |
0.9 |
1.3 |
13.5 |
345 |
2×2.5a |
2 |
0.7 |
0.8 |
0.9 |
1.4 |
14.9 |
413 |
2×4a |
2 |
0.7 |
0.8 |
0.9 |
1.4 |
16.0 |
478 |
2×4a&c |
2 |
0.7 |
0.8 |
1.25 |
1.4 |
16.7 |
581 |
2×6a |
2 |
0.7 |
0.8 |
0.9 |
1.4 |
17.2 |
555 |
2×6a&c |
2 |
0.7 |
0.8 |
1.25 |
1.4 |
17.9 |
666 |
2×10a |
2 |
0.7 |
0.8 |
0.9 |
1.5 |
19.2 |
708 |
2×10a&c |
2 |
0.7 |
0.8 |
1.25 |
1.5 |
19.9 |
832 |
2×16a |
2 |
0.7 |
0.8 |
1.25 |
1.5 |
22.0 |
1036 |
2×25a |
2 |
0.9 |
0.8 |
1.25 |
1.6 |
25.7 |
1386 |
2×25b |
2 |
0.9 |
0.8 |
1.25 |
1.6 |
23.5 |
1311 |
2×35a |
2 |
0.9 |
1.0 |
1.6 |
1.7 |
29.0 |
1918 |
2×35b |
2 |
0.9 |
1.0 |
1.6 |
1.7 |
26.5 |
1814 |
2×50b |
2 |
1.0 |
1.0 |
1.6 |
1.8 |
28.5 |
2330 |
2×70b |
2 |
1.1 |
1.0 |
1.6 |
1.9 |
32.0 |
2968 |
2×95b |
2 |
1.1 |
1.2 |
2.0 |
2.0 |
36.0 |
4085 |
2×120b |
2 |
1.2 |
1.2 |
2.0 |
2.1 |
39.0 |
4846 |
2×150b |
2 |
1.4 |
1.2 |
2.0 |
2.2 |
42.0 |
6223 |
2×185b |
2 |
1.6 |
1.4 |
2.5 |
2.4 |
48.0 |
7479 |
2×240b |
2 |
1.7 |
1.4 |
2.5 |
2.5 |
52.0 |
9137 |
2×300b |
2 |
1.8 |
1.6 |
2.5 |
2.6 |
57.0 |
10937 |
2×400b |
2 |
2.0 |
1.6 |
2.5 |
2.8 |
62.0 |
13316 |
3 cores |
|||||||
3×1.5a |
2 |
0.6 |
0.8 |
0.9 |
1.3 |
14.1 |
384 |
3×2.5a |
2 |
0.7 |
0.8 |
0.9 |
1.4 |
15.6 |
467 |
3×4a |
2 |
0.7 |
0.8 |
0.9 |
1.4 |
16.8 |
551 |
3×4a&c |
2 |
0.7 |
0.8 |
1.25 |
1.4 |
17.5 |
659 |
3×6a |
2 |
0.7 |
0.8 |
0.9 |
1.4 |
18.0 |
652 |
3×6a&c |
2 |
0.7 |
0.8 |
1.25 |
1.4 |
18.7 |
768 |
3×10a |
2 |
0.7 |
0.8 |
1.25 |
1.5 |
20.9 |
985 |
3×16a |
2 |
0.7 |
0.8 |
1.25 |
1.6 |
23.4 |
1269 |
3×25a |
2 |
0.9 |
1.0 |
1.6 |
1.7 |
28.4 |
1953 |
3×25b |
2 |
0.9 |
1.0 |
1.6 |
1.7 |
26.5 |
1874 |
3×35a |
2 |
0.9 |
1.0 |
1.6 |
1.8 |
31.0 |
2393 |
3×35b |
2 |
0.9 |
1.0 |
1.6 |
1.8 |
28.5 |
2286 |
3×50b |
2 |
1.0 |
1.0 |
1.6 |
1.8 |
32.0 |
2952 |
3×70b |
2 |
1.1 |
1.0 |
1.6 |
1.9 |
35.0 |
3852 |
3×95b |
2 |
1.1 |
1.2 |
2.0 |
2.1 |
40.0 |
5312 |
3×120b |
2 |
1.2 |
1.2 |
2.0 |
2.2 |
44.0 |
6364 |
3×150b |
2 |
1.4 |
1.4 |
2.5 |
2.3 |
49.0 |
8113 |
3×185b |
2 |
1.6 |
1.4 |
2.5 |
2.4 |
53.0 |
9706 |
3×240b |
2 |
1.7 |
1.4 |
2.5 |
2.6 |
58.0 |
12045 |
3×300b |
2 |
1.8 |
1.6 |
2.5 |
2.7 |
63.0 |
14536 |
3×400b |
2 |
2.0 |
1.6 |
2.5 |
2.9 |
70.0 |
17866 |
4 cores |
|||||||
4×1.5a |
2 |
0.6 |
0.8 |
0.9 |
1.3 |
15.1 |
433 |
4×2.5a |
2 |
0.7 |
0.8 |
0.9 |
1.4 |
16.7 |
532 |
4×4a |
2 |
0.7 |
0.8 |
0.9 |
1.4 |
18.1 |
637 |
4×4a&c |
2 |
0.7 |
0.8 |
1.25 |
1.4 |
18.8 |
856 |
4×6a |
2 |
0.7 |
0.8 |
1.25 |
1.5 |
20.3 |
901 |
4×10a |
2 |
0.7 |
0.8 |
1.25 |
1.5 |
22.6 |
1159 |
4×16a |
2 |
0.7 |
0.8 |
1.25 |
1.6 |
25.3 |
1516 |
4×25a |
2 |
0.9 |
1.0 |
1.6 |
1.7 |
30.8 |
2341 |
4×25b |
2 |
0.9 |
1.0 |
1.6 |
1.7 |
29.5 |
2286 |
4×35a |
2 |
0.9 |
1.0 |
1.6 |
1.8 |
33.7 |
2898 |
4×35b |
2 |
0.9 |
1.0 |
1.6 |
1.8 |
32.0 |
2824 |
4×50b |
2 |
1.0 |
1.0 |
1.6 |
1.9 |
35.0 |
3628 |
4×70b |
2 |
1.1 |
1.2 |
2.0 |
2.1 |
41.0 |
5188 |
4×95b |
2 |
1.1 |
1.2 |
2.0 |
2.2 |
45.0 |
6585 |
4×120b |
2 |
1.2 |
1.4 |
2.5 |
2.3 |
50.0 |
8520 |
4×150b |
2 |
1.4 |
1.4 |
2.5 |
2.4 |
55.0 |
10071 |
4×185b |
2 |
1.6 |
1.4 |
2.5 |
2.6 |
60.0 |
12149 |
4×240b |
2 |
1.7 |
1.6 |
2.5 |
2.7 |
66.0 |
15217 |
4×300b |
2 |
1.8 |
1.6 |
2.5 |
2.9 |
70.0 |
18373 |
4×400b |
2 |
2.0 |
1.8 |
3.15 |
3.2 |
81.0 |
23960 |
5 cores |
|||||||
5×1.5 |
2 |
0.6 |
0.8 |
0.9 |
1.4 |
16.3 |
495 |
5×2.5 |
2 |
0.7 |
0.8 |
0.9 |
1.4 |
18.0 |
603 |
5×4 |
2 |
0.7 |
0.8 |
0.9 |
1.5 |
19.7 |
739 |
5×4b |
2 |
0.7 |
0.8 |
1.25 |
1.5 |
20.4 |
869 |
5×6 |
2 |
0.7 |
0.8 |
1.25 |
1.5 |
21.9 |
1031 |
5×10 |
2 |
0.7 |
0.8 |
1.25 |
1.6 |
24.6 |
1356 |
5×16 |
2 |
0.7 |
1.0 |
1.6 |
1.7 |
28.7 |
2010 |
5×25 |
2 |
0.9 |
1.0 |
1.6 |
1.8 |
33.6 |
2762 |
5×35 |
2 |
0.9 |
1.0 |
1.6 |
1.9 |
36.9 |
3440 |
5×50 |
2 |
1.0 |
1.2 |
2.0 |
2.0 |
42.4 |
4700 |
5×70 |
2 |
1.1 |
1.2 |
2.0 |
2.2 |
48.2 |
6186 |
Multicore |
|||||||
7×1.5 |
2 |
0.6 |
0.8 |
0.9 |
1.4 |
17.5 |
574 |
7×1.5c |
2 |
0.6 |
0.8 |
1.25 |
1.4 |
18.2 |
687 |
7×2.5 |
2 |
0.7 |
0.8 |
0.9 |
1.4 |
19.3 |
711 |
7×2.5c |
2 |
0.7 |
0.8 |
1.25 |
1.4 |
20.0 |
837 |
7×4 |
2 |
0.7 |
0.8 |
1.25 |
1.5 |
21.8 |
1024 |
12×1.5 |
2 |
0.6 |
0.8 |
1.25 |
1.6 |
22.7 |
968 |
12×2.5 |
2 |
0.7 |
0.8 |
1.25 |
1.6 |
25.5 |
1218 |
12×4 |
2 |
0.7 |
0.8 |
1.25 |
1.5 |
28.8 |
1725 |
19×1.5 |
2 |
0.6 |
1.0 |
1.6 |
1.6 |
26.1 |
1255 |
19×2.5 |
2 |
0.7 |
0.8 |
1.6 |
1.7 |
30.5 |
1844 |
19×4 |
2 |
0.7 |
1.0 |
1.6 |
1.7 |
33.2 |
2285 |
27×1.5 |
2 |
0.6 |
1.0 |
1.6 |
1.7 |
31.7 |
1856 |
27×2.5 |
2 |
0.6 |
1.0 |
1.6 |
1.7 |
35.7 |
2367 |
27×4 |
2 |
0.7 |
1.0 |
1.6 |
1.9 |
39.2 |
2993 |
37×1.5 |
2 |
0.7 |
1.0 |
1.6 |
1.7 |
34.9 |
2223 |
37×2.5 |
2 |
0.7 |
1.0 |
1.6 |
1.7 |
39.4 |
2878 |
37×4 |
2 |
0.7 |
1.2 |
2.0 |
2.0 |
44.8 |
4109 |
a Circular or compacted circular stranded conductor (Class 2).
b Shaped stranded conductor (Class 2).
c Cables with alternative armour wire size.
ELECTRICAL PROPERTIES
Conductor operating temperature : 90°C
Air ambient temperature : 30°C
Ground ambient temperature : 20°C
Current-Carrying Capacities (Amp) according to BS 7671:2008 table 4E4A
Conductor cross-sectional area |
Ref. Method C (clipped direct) |
Ref. Method E (in free air or on a perforated cable tray etc. horizontal or vertical) |
Ref. Method D (direct in in groud or in ducting in groud. in or around buildings) |
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1 two-core cable, single-phase a.c. or d.c. |
1 three- or four-core cable, three-phase a.c. |
1 two-core cable, single-phase a.c. or d.c. |
1 three- or four-core cable, three-phase a.c. |
1 two-core cable, single-phase a.c. or d.c. |
1 three- or four-core cable, three-phase a.c. |
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
mm² |
A |
A |
A |
A |
A |
A |
1.5 |
27 |
23 |
29 |
25 |
25 |
21 |
2.5 |
36 |
31 |
39 |
33 |
33 |
28 |
4 |
49 |
42 |
52 |
44 |
43 |
36 |
6 |
62 |
53 |
66 |
56 |
53 |
44 |
10 |
85 |
73 |
90 |
78 |
71 |
58 |
16 |
110 |
94 |
115 |
99 |
91 |
75 |
25 |
146 |
124 |
152 |
131 |
116 |
96 |
35 |
180 |
154 |
188 |
162 |
139 |
115 |
50 |
219 |
187 |
228 |
197 |
164 |
135 |
70 |
279 |
238 |
291 |
251 |
203 |
167 |
95 |
338 |
289 |
354 |
304 |
239 |
197 |
120 |
392 |
335 |
410 |
353 |
271 |
223 |
150 |
451 |
386 |
472 |
406 |
306 |
251 |
185 |
515 |
441 |
539 |
463 |
343 |
281 |
240 |
607 |
520 |
636 |
546 |
395 |
324 |
300 |
698 |
599 |
732 |
628 |
446 |
365 |
400 |
787 |
673 |
847 |
728 |
- |
- |
Voltage Drop (Per Amp Per Meter) according to BS 7671:2008 table 4E4B
Conductor cross-sectional area |
Two-core cables, d.c. |
Two-core cable, single-phase a.c. |
Three- or four-core cable, three-phase a.c. |
||||
1 |
2 |
3 |
4 |
||||
mm² |
mV/A/m |
mV/A/m |
mV/A/m |
||||
1.5 |
31 |
31 |
27 |
||||
2.5 |
19 |
19 |
16 |
||||
4 |
12 |
12 |
10 |
||||
6 |
7.9 |
7.9 |
6.8 |
||||
10 |
4.7 |
4.7 |
4.0 |
||||
16 |
2.9 |
2.9 |
2.5 |
||||
|
|
r |
x |
z |
r |
x |
z |
25 |
1.85 |
1.85 |
0.160 |
1.90 |
1.60 |
0.140 |
1.65 |
35 |
1.35 |
1.35 |
0.155 |
1.35 |
1.15 |
0.135 |
1.15 |
50 |
0.98 |
0.99 |
0.155 |
1.00 |
0.86 |
0.135 |
0.87 |
70 |
0.67 |
0.67 |
0.150 |
0.69 |
0.59 |
0.130 |
0.60 |
95 |
0.49 |
0.50 |
0.150 |
0.52 |
0.43 |
0.130 |
0.45 |
120 |
0.39 |
0.40 |
0.145 |
0.42 |
0.34 |
0.130 |
0.37 |
150 |
0.31 |
0.32 |
0.145 |
0.35 |
0.38 |
0.125 |
0.30 |
185 |
0.25 |
0.26 |
0.145 |
0.29 |
0.22 |
0.125 |
0.26 |
240 |
0.195 |
0.200 |
0.140 |
0.24 |
0.175 |
0.125 |
0.21 |
300 |
0.155 |
0.160 |
0.140 |
0.21 |
0.140 |
0.120 |
0.185 |
400 |
0.120 |
0.130 |
0.140 |
0.190 |
0.115 |
0.120 |
0.165 |
r = conductor resistance at operating temperature
x = reactance
z = impedance