K23 LSZH Subway Signalling Cables for Metro/Local Trains/Tramlines

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

  • NF F 55-623

Cable Construction

K23 LSZH Subway Signalling Cables Railway Cable
Conductors Copper wire, 0.6, 0.8, 1.0 or 1.2 mm nominal diameter.
Insulation Solid polyethylene.
Cabling Element Four conductors are twisted to form a star quad. For 1 & 4 pair cables, conductors shall be twisted in pairs.
Stranding Quads are stranded in helically laid concentric layers or units to form the cable core.
Core Wrapping Plastic tape(s) with overlapping.
Moisture Barrier One laminated sheath made of aluminium tape coated with PE-Copolymer on at least one side is applied with longitudinally overlap.
Inner Sheath LSZH fi re retardant compound.
Armour Two helically applied steel tapes.
Outer Sheath LSZH fire retardant compound.

Electrical Characteristics at 20℃

Nominal Conductor Diameter mm 0.6 0.8 1.0 1.2
Maximum Average DC Conductor Resistance Ω/km 64.0 36.0 23.0 16.0
Minimum Insulation Resistance @500 V DC (3min) MΩ.km 5000 5000 5000 5000
Maximum Mutual Capacitance @1000Hz (AC) nF/km 57.5 57.5 57.5 57.5
Maximum Capacitance Unbalance @800Hz
K1 (side to side) pF/500m 435 435 435 435
K9-12 (quad to quad) pF/500m 220 220 220 220
Operating Voltages V 200 400 500 750
Maximum Permissible Current A 0.35 0.63 1.0 1.4
Dielectric Strength (DC voltage 1min)
Conductor to Conductor V 1500 2000 3000 3000
Conductor to Screen V 1500 1500 1500 1500

Mechanical and Thermal Properties

  • Minimum Bending Radius: 8×OD (static); 16×OD (dynamic)
  • Temperature Range: -40℃ to +60℃ (during operation); -20℃ to +50℃ (during installation)

Dimensions and Weight

Cable Code Number of Pairs Spare pairs Minimum Sheath Thickness Maximum Overall Diameter Nominal Weight
Inner Outer
      mm mm mm kg/km
0.6mm Conductor, 0.96mm Insulated Wire (6/10)
RS/K23-2Y(L)HBH-2P0.6 2 - 1.0 1.0 10.5 130
RS/K23-2Y(L)HBH-4P0.6 4 - 1.0 1.0 14.0 171
RS/K23-2Y(L)HBH-8P0.6 8 - 1.0 1.0 16.5 215
RS/K23-2Y(L)HBH-14P0.6 14 - 1.0 1.2 17.5 290
RS/K23-2Y(L)HBH-20P0.6 20 - 1.0 1.2 18.5 350
RS/K23-2Y(L)HBH-28P0.6 28 - 1.0 1.4 21.0 441
RS/K23-2Y(L)HBH-38P0.6 38 - 1.0 1.4 21.5 533
RS/K23-2Y(L)HBH-56P0.6 56 - 1.0 1.4 23.0 700
RS/K23-2Y(L)HBH-84P0.6 84 - 1.0 1.6 28.0 970
RS/K23-2Y(L)HBH-112P0.6 112 - 1.0 1.6 30.5 1190
RS/K23-2Y(L)HBH-168P0.6 168 2 1.0 1.8 38.0 1847
RS/K23-2Y(L)HBH-224P0.6 224 2 1.0 2.0 44.0 2675
RS/K23-2Y(L)HBH-280P0.6 280 2 1.0 2.0 51.0 3185
RS/K23-2Y(L)HBH-336P0.6 336 4 1.0 2.0 57.0 3680
RS/K23-2Y(L)HBH-392P0.6 392 4 1.0 2.0 58.5 4168
RS/K23-2Y(L)HBH-448P0.6 448 4 1.0 2.2 67.0 4647
RS/K23-2Y(L)HBH-784P0.6 784 4 1.0 2.2 90.5 7406
RS/K23-2Y(L)HBH-896P0.6 896 6 1.0 2.2 102.5 8315
0.8mm Conductor, 1.27 mm Insulated Wire (8/10)
RS/K23-2Y(L)HBH-2P0.8 2 - 1.0 1.0 11.5 155
RS/K23-2Y(L)HBH-4P0.8 4 - 1.0 1.0 15.5 216
RS/K23-2Y(L)HBH-8P0.8 8 - 1.0 1.2 17.5 298
RS/K23-2Y(L)HBH-14P0.8 14 - 1.0 1.4 20.5 412
RS/K23-2Y(L)HBH-20P0.8 20 - 1.0 1.4 23.0 512
RS/K23-2Y(L)HBH-28P0.8 28 - 1.0 1.4 24.5 637
RS/K23-2Y(L)HBH-38P0.8 38 - 1.0 1.6 26.5 805
RS/K23-2Y(L)HBH-56P0.8 56 - 1.0 1.6 32.0 1096
RS/K23-2Y(L)HBH-84P0.8 84 - 1.0 1.8 39.0 1504
RS/K23-2Y(L)HBH-112P0.8 112 - 1.0 1.8 40.5 1880
1.0mm Conductor, 1.8mm Insulated Wire (10/10)
RS/K23-2Y(L)HBH-2P1 2 - 1.0 1.0 12.0 195
RS/K23-2Y(L)HBH-4P1 4 - 1.0 1.2 17.5 298
RS/K23-2Y(L)HBH-8P1 8 - 1.0 1.4 20.5 431
RS/K23-2Y(L)HBH-14P1 14 - 1.0 1.4 23.5 587
RS/K23-2Y(L)HBH-20P1 20 - 1.0 1.6 25.0 762
RS/K23-2Y(L)HBH-28P1 28 - 1.0 1.6 29.0 981
RS/K23-2Y(L)HBH-38P1 38 - 1.0 1.6 31.5 1243
RS/K23-2Y(L)HBH-56P1 56 - 1.0 1.8 38.5 1683
RS/K23-2Y(L)HBH-84P1 84 - 1.0 2.0 46.5 2340
RS/K23-2Y(L)HBH-112P1 112 - 1.0 2.0 51.5 2944
1.2mm Conductor, 2.0mm Insulated Wire (12/10)
RS/K23-2Y(L)HBH-1P1.2 1 - 1.0 1.2 14.0 188
RS/K23-2Y(L)HBH-2P1.2 2 - 1.0 1.2 14.5 230
RS/K23-2Y(L)HBH-4P1.2 4 - 1.0 1.4 20.0 357
RS/K23-2Y(L)HBH-8P1.2 8 - 1.0 1.4 24.0 509
RS/K23-2Y(L)HBH-14P1.2 14 - 1.0 1.4 25.0 710
RS/K23-2Y(L)HBH-20P1.2 20 - 1.0 1.6 29.0 950
RS/K23-2Y(L)HBH-28P1.2 28 - 1.0 1.6 31.5 1213
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