TYPE E1 & E2 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 E1 & E2 Railway Signalling Cable Railway Cable
Conductors Tinned stranded copper, according to IEC 60228 class 2& BS 6360.
Insulation LSZH or EPR Type GP4 to BS 7655.
Sheath LSZH.

Electrical Characteristics at 20℃

Nominal Conductor Cross Section mm^2 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. & Nominal Diameter of Strands Nominal Sheath Thickness Overall Diameter Min/Max Nominal Weight
No.×mm^2 No/mm mm mm kg/km
Type E1
RS/E1-3GH-1G2.5 1×2.5 50/0.25 3.8 11.2/14.0 200
Type E2
RS/E2-3GH-2G2.5 2×2.5 50/0.25 3.8 14.9/18.8 380
RS/E2-3GH-4G2.5 4×2.5 50/0.25 3.8 16.4/20.9 470
RS/E2-3GH-7G2.5 7×2.5 50/0.25 3.8 18.7/23.7 625
RS/E2-3GH-10G2.5 10×2.5 50/0.25 3.8 22.5/28.6 940
RS/E2-3GH-12G2.5 12×2.5 50/0.25 3.8 23.2/29.3 980
RS/E2-3GH-16G2.5 16×2.5 50/0.25 3.8 25.3/32.0 1200
RS/E2-3GH-1P2.5S 1×2×2.5 50/0.25 3.8 15.0/20.0 341

Routine test voltage: 2.5kV for 5 minutes