TYPE E1 & E2 Railway Signalling Cable

Application

The TYPE E1 & E2 Railway Signalling Cable 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
LSZH or EPR Type GP4 to BS 7655.

Outer Sheath
LSZH.

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 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