CV /CVZ Indoor Equipment Cables
Application
The cables are used as cabling wires for the relays and electronic equipments in the Traffi c Control Center and Trackside Equipment Shelter. The CV cables are suitable for use only in Optical Control Panel (OCP) wiring.
Standards
•SNCF CT 500
Construction
Conductors
Class 5 stranded tinned copper (for flexible wires CV-S & CVZ-S type), class 1 solid tinned copper (for stiff wires CV & CVZ), 0.5/1.0/2.5/6.0 mm² cross section.
Insulation
White (for CVZ type)/coloured (for CV type) unleaded PVC
Sheath
Coloured polyamide outer sheath (for CVZ & CVZ-S type).
Electrical Characteristics at 20℃
CV/CVZ
Nominal Conductor Diameter |
mm |
0.8 |
1.17 |
1.78 |
Nominal Cross Section Area |
mm² |
0.5 |
1.0 |
2.5 |
Maximum Conductor Resistance(DC) |
Ω/km |
36.1 |
17.9 |
7.56 |
Operating Voltage |
V
|
750 |
CV-S/CVZ-S
No of Strands/ Strand Diameter |
No/mm |
16/0.2 |
32/0.2 |
50/0.25 |
84/0.3 |
Nominal Cross Section Area |
mm² |
0.5 |
1.0 |
2.5 |
6 |
Maximum Conductor Resistance (DC) |
Ω/km |
40.1 |
20.0 |
8.21 |
3.39 |
Operating Voltage |
V |
750 |
Mechanical and Thermal Properties
Minimum Bending Radius (static): 4×OD (for fl exible wire); 5×OD (for stiff wire)
Minimum Bending Radius (dynamic): 8×OD (for fl exible wire); 10×OD (for stiff wire)
Operating Temperature: -15℃ to +70℃
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