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 TYPE C1 & C2 Railway Signalling Cable

TYPE C1 & C2 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 installation in ducts.

Standards

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

Construction

Conductors: Tinned stranded copper, class 5 according to IEC 60228 & BS 6360.

Insulation: EPR Type GP4 to BS 7655.

Core Wrapping: Plastic tape(s) with overlapping.

Sheath: HDPCP Type RS2 to BS 7655.

Electrical Characteristics at 20℃

Nominal Conductor Cross Section mm² 2.5
Maximum DC Conductor Resistance Ω/km 8.21
Voltage Rating KV 0.65/1.1
Nominal Insulation Thickness mm 1.05

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.×mm²
No. & Nominal
Diameter of Strands
No/mm
Nominal
Sheath
Thickness
mm
Overall
Diameter
Min/Max
mm
Nominal
Weight
kg/km
Type C1
RS/C1-3G5G-1G2.5 1×2.5 50/0.25 3.8 11.2/14.0 195
Type C2
RS/C2-3G5G-2G2.5 2×2.5 50/0.25 3.8 14.9/18.8 370
RS/C2-3G5G-4G2.5 4×2.5 50/0.25 3.8 16.4/20.9 460
RS/C2-3G5G-7G2.5 7×2.5 50/0.25 3.8 18.7/23.7 610
RS/C2-3G5G-10G2.5 10×2.5 50/0.25 3.8 22.5/28.6 920
RS/C2-3G5G-12G2.5 12×2.5 50/0.25 3.8 23.2/29.3 950
RS/C2-3G5G-16G2.5 16×2.5 50/0.25 3.8 25.3/32.0 1180

Routine test voltage: 2.5kV for 5 minutes