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

  • FFX300 1mRZ1MAZ1-R
  • Caledonian Fire Resistant Power Cables

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
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)
Touching Touching Spaced by on cable diameter
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.
Horizontal Vertical Horizontal Vertical Horizontal Vertical
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)
2 cables, single-phase a.c. 3 or 4 cables, three-phase a.c.
Touching Spaced* Trefoil and touching Flat and touching Flat and spaced*
1 2 3 4 5 6 7
mm² mV/A/m mV/A/m mV/A/m mV/A/m mV/A/m
    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

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