RT/F3 D & S & B type Axle Counter Cable

Application

The cables are designed for transmission of signals up to 90 kHz in axle counter train detection systems.

Standard

  • RT/E/PS/00031

Cable Construction

RT/F3 D & S & B type Axle Counter Cable Railway Cable
Conductors Tinned copper, 0.9/1.4 mm nominal diameter.
Insulation Solid polyethylene.
Cabling Element Two insulated conductors are twisted together to form a pair.
Stranding Pairs are helically stranded in concentric layers.
Filling Cable core interstices are filled with a low-permitivity compound. Unfi lled cables option can be offered upon request.
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 (for S/B type) Polyethylene or LSZH fi re retardant compound.
Mechanical Protection (for S/B type) One corrugated steel tape or brass tape is longitudinally applied with overlap. Unarmoured cables option can be offered upon request.
Outer Sheath Polyethylene or LSZH fi re retardant compound. Ruggedised PE sheath compound can be offered upon request.

Type Codes

  • F1 class: Non LSZH cables.
  • F5 class: Unfi lled cables
  • D type: Unarmoured types
  • R type: Ruggedised PE sheath
  • S type: Steel tape armoured types
  • B type: Brass tape armoured types
  • E1, E2 & E3 types: 3 different induction protection levels available.

Electrical Characteristics at 20℃

Nominal Conductor Diameter mm 0.9 1.4
Nominal Conductor Cross Section mm^2 0.63 1.5
Maximum Conductor Resistance Ω/km 30.0 12.5
Minimum Insulation Resistance @500 V DC (1min) MΩ.km 5000 5000
Nominal Conductor Capacitance @800Hz/1000Hz (AC) nF/km 42+3 47+3
Dielectric Strength, conductor to screen (DC voltage 2mins) V 3000 3000
Maximum Average Attenuation
@1.0KHz dB/km 0.73 0.45
@2.4KHz dB/km 1.10 0.62
@40KHz dB/km 2.88 1.77
@90KHz dB/km 3.70 2.41
@1.024MHz dB/km 11.2 7.45
Minimum Average Near-end Crosstalk
@1.0KHz dB/km 60 60
@2.4KHz dB/km 60 60
@40KHz dB/km 50 50
@90KHz dB/km 50 50
@1.024MHz dB/km 35 35

Mechanical and Thermal Properties

  • Minimum Bending Radius: 7.5×OD (unarmoured); 10×OD (armoured)
  • Temperature Range: -30℃ to +60℃ (during operation); -10℃ to +60℃ (during installation)

Core Identification

Dimensions and Weight

A-2Y(F)(L)2Y n×2×0.9/1.4 Cables

Cable Code Number of Pairs Nominal Sheath Thickness Maximum Overall Diameter Nominal Weight
  (n) mm mm kg/km
0.9mm Conductor, 1.55mm Insulated Wire
RS/RT/F3-D-2Y(F)(L)2Y-2P0.9 2 2.4 13.2 210
RS/RT/F3-D-2Y(F)(L)2Y-10P0.9 10 2.4 21.6 530
RS/RT/F3-D-2Y(F)(L)2Y-12P0.9 12 2.4 24.8 580
RS/RT/F3-D-2Y(F)(L)2Y-19P0.9 19 2.4 31.2 800
RS/RT/F3-D-2Y(F)(L)2Y-24P0.9 24 2.4 33.8 980
1.4mm Conductor, 2.2mm Insulated Wire
RS/RT/F3-D-2Y(F)(L)2Y-2P1.4 2 2.4 23.4 320
RS/RT/F3-D-2Y(F)(L)2Y-10P1.4 10 2.4 30.0 910
RS/RT/F3-D-2Y(F)(L)2Y-12P1.4 12 2.4 32.0 1101
RS/RT/F3-D-2Y(F)(L)2Y-19P1.4 19 2.4 37.3 1450
RS/RT/F3-D-2Y(F)(L)2Y-24P1.4 24 2.4 42.3 1780

A-2Y(L)2YB2Y n×2×0.9/1.4 Cables

Cable Code Number of Pairs Nominal Sheath Thickness Maximum Overall Diameter Nominal Weight
Inner Outer
  (n) mm mm mm kg/km
0.9mm Conductor, 1.8mm Insulated Wire
RS/RT/F3-S-2Y(L)2YB2Y-2P0.9 2 2.2 2.4 22.0 399
RS/RT/F3-S-2Y(L)2YB2Y-10P0.9 10 2.2 2.4 30.4 880
RS/RT/F3-S-2Y(L)2YB2Y-12P0.9 12 2.2 2.4 33.6 963
RS/RT/F3-S-2Y(L)2YB2Y-19P0.9 19 2.2 2.4 40.0 1312
RS/RT/F3-S-2Y(L)2YB2Y-24P0.9 24 2.2 2.4 42.6 1626
1.4mm Conductor , 2.7mm Insulated Wire
RS/RT/F3-S-2Y(L)2YB2Y-2P1.4 2 2.2 2.4 32.2 608
RS/RT/F3-S-2Y(L)2YB2Y-10P1.4 10 2.2 2.4 38.8 1510
RS/RT/F3-S-2Y(L)2YB2Y-12P1.4 12 2.2 2.4 40.8 1827
RS/RT/F3-S-2Y(L)2YB2Y-19P1.4 19 2.2 2.4 46.1 2380
RS/RT/F3-S-2Y(L)2YB2Y-24P1.4 24 2.2 2.4 51.1 2954
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