TYPE A1, A2 & A3 Railway Signalling Cable

Application

The cables are designed for railway signalling systems. The cables are suitable for use in d.c. circuits where the nominal voltage to earth does not exceed 1100 volts and are suitable for installation in ducts.

Standard

  • NR/PS/SIG/00005(formerly RT/E/PS/00005)

Cable Construction

TYPE A1, A2 & A3 Railway Signalling Cable Railway Cable
Conductors Tinned stranded copper, class 2 according to IEC 60228 & BS 6360.
Insulation LSZH crosslinked.
Core Wrapping Plastic tape(s) with overlapping.
Sheath LSZH (for types A2 & A3 only).

Electrical Characteristics at 20℃

Nominal Conductor Cross Section mm^2 0.75 1.15
Maximum Conductor DC Resistance Ω/km 24.8 17.3
Voltage Rating KV 0.65/1.1
Nominal Insulation Thickness mm 0.85 0.85

Mechanical and Thermal Properties

Minimum Bending Radius 6×OD (static); 15×OD (dynamic)
Temperature Range -25℃ to +85℃ (during operation); -10℃ to +85℃ (during installation)

Dimensions and Weight

Cable Code No. of cores& Nominal Conductor Cross Sectional Area No. & Nominal Diameter of Strands Nominal Sheath Thickness Overall Diameter Min/Max Nominal Weight
No.×mm^2 No/mm mm mm kg/km
Type A1(without sheath)
RS/A1-H-1G0.75(BL) 1x0.75(blue) 7/0.37 - 2.7/3.2 16
RS/A1-H-1G0.75(BR) 1x0.75(brown) 7/0.37 - 2.7/3.2 16
RS/A1-H-1G0.75(RD) 1x0.75(red) 7/0.37 - 2.7/3.2 16
RS/A1-H-1G0.75(OR) 1x0.75(orange) 7/0.37 - 2.7/3.2 16
RS/A1-H-1G0.75(GR) 1x0.75(green) 7/0.37 - 2.7/3.2 16
RS/A1-H-1G0.75(VI) 1x0.75(violet) 7/0.37 - 2.7/3.2 16
RS/A1-H-1G0.75 1x0.75(black) 7/0.37 - 2.7/3.2 16
RS/A1-H-1G1.15 1x1.15(black) 16/0.30 - 2.9/3.6 21
Type A2(with sheath)
RS/A2-3GH-1G0.75 1x0.75 7/0.37 0.7 4.0/5.0 30
RS/A2-3GH-1G1.15 1x1.15 16/0.30 0.7 4.3/5.3 35
Type A3(with sheath)
RS/A3-3GH-2G0.75 2x0.75 7/0.37 0.9 6.7/8.8 67
RS/A3-3GH-4G0.75 4x0.75 7/0.37 1.0 8.0/10.4 108
RS/A3-3GH-6G0.75 6x0.75 7/0.37 1.1 9.7/12.5 160
RS/A3-3GH-10G0.75 10x0.75 7/0.37 1.2 12.6/16.1 259
RS/A3-3GH-14G0.75 14x0.75 7/0.37 1.3 13.8/17.7 495
RS/A3-3GH-36G0.75 36x0.75 7/0.37 1.6 21.6/26.9 752
RS/A3-3GH-48G0.75 48x0.75 7/0.37 1.6 24.3/30.7 963
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