Part No.
1HRS/189
British Rail Reference No.
6/165703
Usage
Railways
Description
Network Rail Coax 75 ohm 1.83mm/11.7mm
Inner Conductor
Annealed Bare Copper Diam. 1.83mm
Insulation
Low Density Polyethylene |
Outer Conductor
Longitudinally Corrugated Copper Tape
Wrapping
Polyester Tape
Inner Sheath
Low Density Polyethylene, Black
Moisture Barrier
Longitudinally Aluminium/Polyethylene Tape
0.15/0.05mm Bonded to the Outer Jacket
Outer Sheath
Low Density Polyethylene, Colour Black
Marking
"NETWORK RAIL COAX" embossed |
Electrical and Physical Details |
Insulation Resistance
> 5000 Mohm x km at 20°C
Nominal Impedance
75 ± 2 ohms
Nominal Capacitance
68 pF/m |
Weight
442.5 kg/km
Minimum Bending Radius
210mm
Working Temperature
-40°C to +90°C |
Nominal Attenuation at 20°C db/100m
1MHz 10MHz 50MHz 100MHz 400MHz 1000MHz 2000MHz 3000MHz
0.35 1.15 2.80 4.1 9.50 17.6 29 40
Approval
This cable has been approved bt Network Rail
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