600/1000V Mica+XLPE Insulated, LSZH Sheathed Power Cables to BS 8573 (2-5 Cores)

FFX400 1mRZ1-R (CU/MGT+XLPE/LSZH 600/1000V Class 2)

FFX400 1mRZ1-R (CU/MGT+XLPE/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 8573:2012

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

600/1000 V

Cable Construction

Conductor : Annealed copper conductor, stranded according to BS EN 60228 class 2.
Fire Barrier : Mica glass tape.
Insulation : Thermosetting 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.
Inner Covering Option : The optional inner covering, where used, shall consist of an extruded layer of synthetic polymeric material. It shall surround the single core and the laid-up two, three, four or five cores, giving the assembly a practically circular shape.
Outer Sheath : Extruded layer of polymeric material LTS 4 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.
  Alternatively, green-and-yellow, blue, brown.
4-core Blue, brown black and grey.
  Alternatively, green-and-yellow, brown, black, 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

circular copper conductors OD≤25mm : 4 × Overall Diameter

circular copper conductors OD﹥25mm : 6 × Overall Diameter

shaped copper conductors : 8 × Overall Diameter

CONSTRUCTION PARAMETERS

Conductor FFX400 1mRZ1-R
No. of Cores × Cross-sectional Area Conductor Class Nominal Insulation Thickness Nominal Inner Covering Thickness Nominal Sheath Thickness Approx. Overall Diameter Approx. Weight
no.×mm²   mm mm mm mm kg/km
2 cores
2×1.5a 2 0.7 0.4 1.8 11.6 139
2×2.5a 2 0.7 0.4 1.8 12.4 167
2×4a 2 0.7 0.4 1.8 13.5 211
2×6a 2 0.7 0.4 1.8 14.6 265
2×10a 2 0.7 0.6 1.8 16.5 370
2×16a 2 0.7 0.6 1.8 18.6 515
2×25a 2 0.9 0.8 1.8 22.0 756
2×35a 2 0.9 0.8 1.8 24.3 983
2×50a 2 1.0 1.0 1.8 27.4 1281
2×70a 2 1.1 1.0 1.8 31.4 1771
2×95a 2 1.1 1.2 1.9 35.4 2379
2×120a 2 1.2 1.2 2.0 39.2 2971
2×25b 2 0.9 0.6 1.8 18.1 695
2×35b 2 0.9 0.6 1.8 19.9 917
2×50b 2 1.0 0.8 1.8 22.6 1209
2×70b 2 1.1 0.8 1.8 25.5 1684
2×95b 2 1.1 1.0 1.9 28.2 2273
2×120b 2 1.2 1.0 2.0 31.0 2844
3 cores
3×1.5a 2 0.7 0.4 1.8 12.2 152
3×2.5a 2 0.7 0.4 1.8 13.1 192
3×4a 2 0.7 0.4 1.8 14.3 253
3×6a 2 0.7 0.4 1.8 15.5 329
3×10a 2 0.7 0.6 1.8 17.5 479
3×16a 2 0.7 0.6 1.8 19.8 687
3×25a 2 0.9 0.8 1.8 23.5 1033
3×35a 2 0.9 0.8 1.8 26.0 1364
3×50a 2 1.0 1.0 1.8 29.3 1798
3×70a 2 1.1 1.2 1.9 33.8 2532
3×95a 2 1.1 1.2 2.0 38.3 3421
3×120a 2 1.2 1.2 2.1 42.4 4284
3×25b 2 0.9 0.6 1.8 20.7 1001
3×35b 2 0.9 0.8 1.8 23.3 1334
3×50b 2 1.0 0.8 1.8 25.9 1757
3×70b 2 1.1 1.0 1.9 29.8 2479
3×95b 2 1.1 1.2 2.0 33.2 3351
3×120b 2 1.2 1.2 2.1 36.0 4191
4 cores
4×1.5a 2 0.7 0.4 1.8 13.2 183
4×2.5a 2 0.7 0.4 1.8 14.2 234
4×4a 2 0.7 0.4 1.8 15.5 313
4×6a 2 0.7 0.6 1.8 16.9 412
4×10a 2 0.7 0.6 1.8 19.2 608
4×16a 2 0.7 0.6 1.8 21.7 881
4×25a 2 0.9 0.8 1.8 25.8 1335
4×35a 2 0.9 1.0 1.8 28.6 1773
4×50a 2 1.0 1.0 1.8 32.3 2344
4×70a 2 1.1 1.2 2.0 37.5 3329
4×95a 2 1.1 1.2 2.1 42.3 4505
4×120a 2 1.2 1.2 2.3 47.1 5667
4×25b 2 0.9 0.8 1.8 23.3 1305
4×35b 2 0.9 0.8 1.8 25.9 1740
4×50b 2 1.0 1.0 1.8 29.4 2307
4×70b 2 1.1 1.2 2.0 33.5 3271
4×95b 2 1.1 1.2 2.1 36.9 4424
4×120b 2 1.2 1.2 2.3 40.9 5565
5 cores
5×1.5a 2 0.7 0.4 1.8 13.5 218
5×2.5a 2 0.7 0.4 1.8 14.5 281
5×4a 2 0.7 0.6 1.8 16.9 378
5×10a 2 0.7 0.6 1.8 20.2 700
5×16a 2 0.7 0.8 1.8 24.3 1042
5×25a 2 0.9 1.0 1.8 27.3 1594
5×35a 2 0.9 1.0 1.8 30.9 2132
5×50a 2 1.0 1.2 1.9 34.6 2855
5×70a 2 1.1 1.2 2.1 38.4 4055
5×95a 2 1.1 1.4 2.2 43.7 5503
5×120a 2 1.2 1.4 2.4 46.9 6916

a Circular or compacted circular stranded conductors (class 2).

b Shaped stranded conductor (class 2).

ELECTRICAL PROPERTIES

Conductor operating temperature : 90°C

Ambient temperature : 30°C

Current-Carrying Capacities (Amp) according to BS 7671:2008 table 4E2A

Conductor cross-sectional area Ref. Method A (enclosed in conduit in thermally insulating wall etc.) Ref. Method B (enclosed in conduit on a wall or in trunking etc.) Ref. Method C (clipped direct) Ref. Method E (in free air or on a perforated cable tray tec. horizontal or vertical)
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 two-core cable*, single-phase a.c. or d.c. 1 three- or four-core cable*, three-phase a.c.
mm² A A A A A A A A
1.5 18.5 16.5 22 19.5 24 22 26 23
2.5 25 22 30 26 33 30 36 32
4 33 30 40 35 45 40 49 42
6 42 38 51 44 58 52 63 54
10 57 51 69 60 80 71 86 75
16 76 68 91 80 107 96 115 100
25 99 89 119 105 138 119 149 127
35 121 109 146 128 171 147 185 158
50 145 130 175 154 209 179 225 192
70 183 164 221 194 269 229 289 246
95 220 197 265 233 328 278 352 298
120 253 227 305 268 382 322 410 346

Note: *With or without a protective conductor.

Voltage Drop (Per Amp Per Meter) according to BS 7671:2008 table 4E2B

Conductor cross-sectional area Two-core cable, d.c. Two-core cable, single-phase a.c. Three- or four-core cable, three-phase a.c.
1 mm² 2 mV/A/m 3 mV/A/m 4 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