K24 LSZH Subway Signalling Cables

Application

The cables are designed for remote control and teletransmission in underground railway networks. The cables can be laid in channel, cable tray, or on hook supports, along suburban railway lines electrifi ed at maximum 1500V DC.

Standard

  • AFNOR NF F 55-624

Cable Construction

K24 LSZH Subway Signalling Cables Railway Cable
Conductors Solid copper conductor, 0.5/0.6/0.9 mm nominal diameter.
Insulation Polyethylene insulation.
Cabling Element Each two conductors are twisted together to form a pair.
Stranding For cables less than 15 pairs, pairs are helically stranded in concentric layers to form the cable core. For cables from 21 to 112 pairs, pairs are stranded in concentric layers or bundles to form the cables core.
Core Wrapping One or more synthetic long ribbons or tapes are arranged on the cable core.
Screen Aluminium/Polyester tape.
Drain Wire A tinned copper drain wire, 0.5mm nominal diameter.
Sheath Fire retardant LSZH.
Optional Armoured Cables: For armoured cable, one or more tape(s) is (are) helically applied with overlap on the screen to form a bedding, and double steel tapes armour with a halogen-free fi re retardant outer sheath are applied on the bedding.

Electrical Characteristics at 20℃

Nominal Conductor Diameter mm 0.5 0.6 0.9
Minimum Insulation Resistance MΩ.km 5000 5000 5000
Maximum Operating Voltage V 200 200 400
Maximum Permissible Current A 0.25 0.35 0.80

Mechanical and Thermal Properties

  • Minimum Bending Radius: 7.5×OD (unarmoured); 10×OD (armoured)
  • Temperature Range: -40℃ to +60℃ (during operation); -20℃ to +50℃ (during installation)

Dimensions and Weight

Unarmoured K24 Cables A-2Y(L)H n×2×0.5/0.6/0.9

Cable Code Number of Pairs Nominal Sheath Thickness Nominal Overall Diameter Nominal Weight
  (n) mm mm kg/km
0.5mm Conductor, 0.9mm Insulated Wire
RS/K24-2Y(L)H-2P0.5 2 1.0 6.0 55
RS/K24-2Y(L)H-3P0.5 3 1.0 6.5 65
RS/K24-2Y(L)H-5P0.5 5 1.0 7.0 80
RS/K24-2Y(L)H-7P0.5 7 1.0 8.0 95
RS/K24-2Y(L)H-10P0.5 10 1.0 9.0 120
RS/K24-2Y(L)H-15P0.5 15 1.2 10.5 150
RS/K24-2Y(L)H-21P0.5 21 1.2 12.5 185
0.6mm Conductor, 0.96mm Insulated Wire
RS/K24-2Y(L)H-2P0.6 2 1.0 6.5 65
RS/K24-2Y(L)H-3P0.6 3 1.0 7.0 70
RS/K24-2Y(L)H-5P0.6 5 1.0 8.0 90
RS/K24-2Y(L)H-7P0.6 7 1.0 8.5 110
RS/K24-2Y(L)H-10P0.6 10 1.2 10.0 140
RS/K24-2Y(L)H-15P0.6 15 1.2 11.5 175
RS/K24-2Y(L)H-21P0.6 21 1.2 13.5 225
0.9mm Conductor, 1.5mm Insulated Wire
RS/K24-2Y(L)H-2P0.9 2 1.0 8.5 95
RS/K24-2Y(L)H-3P0.9 3 1.0 9.0 110
RS/K24-2Y(L)H-5P0.9 5 1.0 10.5 150
RS/K24-2Y(L)H-7P0.9 7 1.2 12.0 185
RS/K24-2Y(L)H-10P0.9 10 1.2 13.5 245
RS/K24-2Y(L)H-15P0.9 15 1.4 15.0 340
RS/K24-2Y(L)H-21P0.9 21 1.4 19.0 435

Armoured K24 Cables A-2Y(L)HBH n×2×0.5/0.6/0.9

Cable Code Number of Pairs Nominal Sheath Thickness Nominal Overall Diameter Nominal Weight
Inner Outer
  (n) mm mm mm kg/km
RS/K24-2Y(L)HBH-2P0.5 2 1.0 1.0 10.0 195
RS/K24-2Y(L)HBH-3P0.5 3 1.0 1.0 10.5 205
RS/K24-2Y(L)HBH-5P0.5 5 1.0 1.0 11.0 230
RS/K24-2Y(L)HBH-7P0.5 7 1.0 1.0 12.0 255
RS/K24-2Y(L)HBH-10P0.5 10 1.0 1.0 13.0 295
RS/K24-2Y(L)HBH-15P0.5 15 1.0 1.2 14.5 345
RS/K24-2Y(L)HBH-21P0.5 21 1.0 1.2 16.5 400
0.6mm Conductor, 0.96mm Insulated Wire
RS/K24-2Y(L)HBH-2P0.6 2 1.0 1.0 10.5 200
RS/K24-2Y(L)HBH-3P0.6 3 1.0 1.0 11.0 210
RS/K24-2Y(L)HBH-5P0.6 5 1.0 1.0 12.0 245
RS/K24-2Y(L)HBH-7P0.6 7 1.0 1.0 12.5 285
RS/K24-2Y(L)HBH-10P0.6 10 1.0 1.2 14.0 330
RS/K24-2Y(L)HBH-15P0.6 15 1.0 1.2 15.5 385
RS/K24-2Y(L)HBH-21P0.6 21 1.0 1.2 18.0 450
0.9mm Conductor, 1.5mm Insulated Wire
RS/K24-2Y(L)HBH-2P0.9 2 1.0 1.0 12.5 260
RS/K24-2Y(L)HBH-3P0.9 3 1.0 1.0 13.5 285
RS/K24-2Y(L)HBH-5P0.9 5 1.0 1.0 14.5 345
RS/K24-2Y(L)HBH-7P0.9 7 1.0 1.2 16.0 395
RS/K24-2Y(L)HBH-10P0.9 10 1.0 1.2 18.0 485
RS/K24-2Y(L)HBH-15P0.9 15 1.0 1.4 19.5 610
RS/K24-2Y(L)HBH-21P0.9 21 1.0 1.4 24.0 735
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