TYPE A1, A2 & A3 Railway Signalling Cable
APPLICATIONThe 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.STANDARDNR/PS/SIG/00005(former…
TYPE A1, A2 & A3Railway Signalling Cable.pdf Contact us

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

  • Electrical Characteristics at 20℃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).

Nominal Conductor Cross Sectionmm0.751.15
Maximum Conductor DC ResistanceΩ/km24.817.3
Voltage RatingKV0.65/1.1
Nominal Insulation Thicknessmm0.850.85

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 CodeNo. of cores& Nominal
Conductor Cross
Sectional Area
No.×mm
No. & Nominal
Diameter of Strands
No/mm
Nominal Sheath
Thickness
mm
Overall Diameter
Min/Max
mm
Nominal
Weight
kg/km
Type A1(without sheath)
BRAIL A1-H-1G0.75(BL)1x0.75(blue)7/0.37-2.7/3.216
BRAIL A1-H-1G0.75(BR)1x0.75(brown)7/0.37-2.7/3.216
BRAIL A1-H-1G0.75(RD)1x0.75(red)7/0.37-2.7/3.216
BRAIL A1-H-1G0.75(OR)1x0.75(orange)7/0.37-2.7/3.216
BRAIL A1-H-1G0.75(GR)1x0.75(green)7/0.37-2.7/3.216
BRAIL A1-H-1G0.75(VI)1x0.75(violet)7/0.37-2.7/3.216
BRAIL A1-H-1G0.751x0.75(black)7/0.37-2.7/3.216
BRAIL A1-H-1G1.151x1.15(black)16/0.30-2.9/3.621
Type A2(with sheath)
BRAIL A2-3GH-1G0.751x0.757/0.370.74.0/5.030
BRAIL A2-3GH-1G1.151x1.1516/0.300.74.3/5.335
Type A3(with sheath)
BRAIL A3-3GH-2G0.752x0.757/0.370.96.7/8.867
BRAIL A3-3GH-4G0.754x0.757/0.371.08.0/10.4108
BRAIL A3-3GH-6G0.756x0.757/0.371.19.7/12.5160
BRAIL A3-3GH-10G0.7510x0.757/0.371.212.6/16.1259
BRAIL A3-3GH-14G0.7514x0.757/0.371.313.8/17.7495
BRAIL A3-3GH-36G0.7536x0.757/0.371.621.6/26.9752
BRAIL A3-3GH-48G0.7548x0.757/0.371.624.3/30.7963