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TYPE C3 Railway Signalling Cable

 

Applications :

  • 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 installation in ducts.

Standards :

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

 

Construction :

  • Conductors : Tinned stranded copper, class 5 according to IEC 60228 & BS6360.
  • Insulation : EPR Type GP4 to BS7655.
  • Screen : Aluminium tape.
  • Drain wire: 2.5 mm2 flexible tinned copper.
  • Sheath : HDPCP Type RS2 to BS7655.

Electrical Characteristics at 20 °C :

  • Nominal Conductor Cross Section mm2 2.5
    Maximum DC Conductor Resistance Ω/km 8.21
    Minimum Noise Reduction dB 60
    Voltage Rating KV 0.65/1.1
    Nominal Insulation Thickness mm 1.05

Mechanical and Thermal Properties :

  • Minimum Bending Radius : 6xOD (static); 15xOD (dynamic).
  • Operating Temperature : -25°C to +85°C (during operation) ; -10°C to +85°C (during installation).

Dimensions and Weight :

 

Cable Code No. of cores& Nominal
Conductor Cross Sectional Area
No.×mm²		 No. & Nominal
Diameter of Strands
No/mm		 Nominal Sheath
Thickness
mm		 Overall Diameter
Min/Max
mm		 Nominal Weight
kg/km
Type C3
RS/C3-3G(St)5G-1P2.5S 1×2×2.5 50/0.25 3.8 15.0/20.0 390

   Routine test voltage: 2.5kV for 5 minutes.

 

 
 
Impact Resistant
Highly Flexible
Oil Resistant
  
Weather Resistant
Rated Voltage
Laid In Ducts