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500/750V Fire Survival Mineral Insulated Multicore

500/750V Fire Survival Mineral Insulated Multicore  Railway Cables

Application

These fire survival cables are designed for installation in hazardous installations and radioactive environments.

Standards

● EME SP 14 028
● BS 6387 CWZ
● BS 5839-1 Standard
● BS 5839-1 Enhanced
● BS 7346-6
● BS EN 60702

Construction

Conductors
Solid plain copper conductors.

Insulation
Magnesium Oxide.

Outer sheath
Plain copper sheath with optional LSZH covering.

Electrical Characteristics at 20℃

Light Duty 0.5KV Grade

Nominal Conductor Diameter mm 1.13 1.39 1.77 2.25
Nominal Conductor Cross Section mm² 1.0 1.5 2.5 4.0
Maximum DC Conductor Resistance Ω/km 18.1 12.1 7.41 4.64
Voltage Rating KV 0.5
Nominal Conductor Diameter mm 1.39 1.77 2.25 2.75 3.57 4.5 5.66 6.66 7.75
Nominal Conductor Cross Section mm² 1.5 2.5 4.0 6.0 10.0 16.0 25.0 35.0 50.0
Maximum DC Conductor Resistance Ω/km 12.1 7.41 4.64 3.08 1.83 1.15 0.727 0.524 0.387
Voltage Rating KV 0.75
Nominal Conductor Diameter mm 9.32 10.98 12.33 13.7 15.18 17.33 19.37 22.37
Nominal Conductor Cross Section mm² 70.0 95.0 120.0 150.0 185.0 240.0 300.0 400.0
Maximum DC Conductor Resistance Ω/km 0.268 0.193 0.153 0.124 0.101 0.0775 0.0601 0.047
Voltage Rating KV 0.75

Mechanical and Thermal Properties

Minimum Bending Radius: 2×OD (D<7); 3×OD (7 ≤ D<12); 4×OD (12 ≤ D<15); 6×OD (D ≥ 15)
Temperature Range: -80℃ to +105℃

Dimensions And Weight

Light Duty 0.5KV Grade

Cable Code No. of cores&
Nominal Conductor
Cross Sectional Area
No.×mm²
Cross Sectional
Area of Copper
Sheath
mm²
Nominal Overall
Diameter
mm
Nominal Weight
kg/km
With
LSZH
Covering
Without
LSZH
Covering
With
LSZH
Covering
Without
LSZH
Covering
RF14028L-MICC-300/500V-2G1 2×1.0 5.4 6.4 5.1 126 104
RF14028L-MICC-300/500V-2G1.5 2×1.5 6.3 7.0 5.7 154 136
RF14028L-MICC-300/500V-2G2.5 2×2.5 8.2 7.9 6.6 206 187
RF14028L-MICC-300/500V-2G4 2×4.0 10.7 9.2 7.7 322 248
RF14028L-MICC-300/500V-3G1 3×1.0 6.7 7.1 5.8 159 136
RF14028L-MICC-300/500V-3G1.5 3×1.5 7.8 7.7 6.4 194 176
RF14028L-MICC-300/500V-3G2.5 3×2.5 9.5 8.8 7.3 272 223
RF14028L-MICC-300/500V-4G1 4×1.0 7.7 7.6 6.3 187 162
RF14028L-MICC-300/500V-4G1.5 4×1.5 9.1 8.3 7.0 231 203
RF14028L-MICC-300/500V-4G2.5 4×2.5 11.3 9.6 8.1 336 277
RF14028L-MICC-300/500V-7G1 7×1.0 11.0 9.3 7.6 269 236
RF14028L-MICC-300/500V-7G1.5 7×1.5 11.8 9.9 8.4 351 295
RF14028L-MICC-300/500V-7G2.5 7×2.5 15.4 11.2 9.7 475 411

Heavy Duty 0.75KV Grade

Cable Code No. of cores&
Nominal Conductor
Cross Sectional Area
No.×mm²
Cross Sectional
Area of Copper
Sheath
mm²
Nominal Overall
Diameter
mm
Nominal Weight
kg/km
With
LSZH
Covering
Without
LSZH
Covering
With
LSZH
Covering
Without
LSZH
Covering
RF14028H-MICC-450/750V-1G6 1×6.0 8.0 7.7 6.2 213 173
RF14028H-MICC-450/750V-1G10 1×10.0 9.0 8.8 7.3 273 240
RF14028H-MICC-450/750V-1G16 1×16.0 12.0 9.8 8.3 361 326
RF14028H-MICC-450/750V-1G25 1×25.0 15.0 11.1 9.6 506 457
RF14028H-MICC-450/750V-1G35 1×35.0 18.0 12.2 10.7 650 585
RF14028H-MICC-450/750V-1G50 1×50.0 22.0 13.6 12.1 842 758
RF14028H-MICC-450/750V-1G70 1×70.0 27.0 15.2 13.7 1147 1016
RF14028H-MICC-450/750V-1G95 1×95.0 32.0 17.4 15.4 1520 1324
RF14028H-MICC-450/750V-1G120 1×120.0 37.0 18.8 16.8 1870 1612
RF14028H-MICC-450/750V-1G150 1×150.0 44.0 20.4 18.4 2230 1949
RF14028H-MICC-450/750V-1G185 1×185.0 54.0 23.2 20.4 2575 2370
RF14028H-MICC-450/750V-1G240 1×240.0 70.0 26.1 23.3 3312 3050
RF14028H-MICC-450/750V-1G300 1×300.0 79.0 28.8 26.0 3972 3791
RF14028H-MICC-450/750V-1G400 1×400.0 91.0 32.8 30.0 5211 5004
RF14028H-MICC-450/750V-2G1.5 2×1.5 11.0 9.4 7.9 259 237
RF14028H-MICC-450/750V-2G2.5 2×2.5 13.0 10.2 8.7 314 276
RF14028H-MICC-450/750V-2G4 2×4.0 16.0 11.3 9.8 398 355
RF14028H-MICC-450/750V-2G6 2×6.0 18.0 12.4 10.9 483 446
RF14028H-MICC-450/750V-2G10 2×10.0 24.0 14.2 12.7 697 619
RF14028H-MICC-450/750V-2G16 2×16.0 30.0 16.2 14.7 968 850
RF14028H-MICC-450/750V-2G25 2×25.0 38.0 19.1 17.1 1275 1178
RF14028H-MICC-450/750V-3G1.5 3×1.5 12.0 9.8 8.3 290 254
RF14028H-MICC-450/750V-3G2.5 3×2.5 14.0 10.8 9.3 365 323
RF14028H-MICC-450/750V-3G4 3×4.0 17.0 11.9 10.4 461 415
RF14028H-MICC-450/750V-3G6 3×6.0 20.0 13.0 11.5 590 526
RF14028H-MICC-450/750V-3G10 3×10.0 27.0 15.1 13.6 853 754
RF14028H-MICC-450/750V-3G16 3×16.0 34.0 17.1 15.6 1080 1034
RF14028H-MICC-450/750V-3G25 3×25.0 42.0 20.2 18.2 1548 1444
RF14028H-MICC-450/750V-4G1.5 4×1.5 14.0 10.6 9.1 344 305
RF14028H-MICC-450/750V-4G2.5 4×2.5 16.0 11.6 10.1 430 384
RF14028H-MICC-450/750V-4G4 4×4.0 20.0 12.9 11.4 577 507
RF14028H-MICC-450/750V-4G6 4×6.0 24.0 14.2 12.7 718 644
RF14028H-MICC-450/750V-4G10 4×10.0 30.0 16.3 14.8 1050 911
RF14028H-MICC-450/750V-4G16 4×16.0 39.0 19.3 17.3 1390 1286
RF14028H-MICC-450/750V-4G25 4×25.0 49.0 22.3 20.1 1943 1805
RF14028H-MICC-450/750V-7G1.5 7×1.5 18.0 12.3 10.8 478 432
RF14028H-MICC-450/750V-7G2.5 7×2.5 22.0 13.6 12.1 614 559
RF14028H-MICC-450/750V-12G1.5 12×1.5 28.0 15.8 14.1 772 712
RF14028H-MICC-450/750V-12G2.5 12×2.5 34.0 17.9 15.6 970 911
RF14028H-MICC-450/750V-19G1.5 19×1.5 37.0 18.9 16.6 1086 992