Product
Ferroviaire_Lignes urbaines_Câbles de télécommunications_CAT 6 K20

Cat6 K20

Data transmission
Urban railways

Benefits

  • Halogen-free
  • Fire performance K20 (RATP) compliant
  • Protected against rodents
     

Applications

  • Category 6 cable for very high speed data transmission (1Gbit Ethernet)
  • Installed in cable trays, ducts or on hooks in infrastructures such as metros, tunnels and underground networks

General characteristics

schéma coupe Cat6 K20

  1. Conductor type: bare solid red copper wire, Ø 0.560mm (23AWG)
  2. Type of insulation: coloured cellular polyethylene, Ø 1.45mm
  3. Type of assembly: pairs, individual screen on each pair: aluminium/polyester tape
  4. General shielding: aluminium/polyester tape + continuity wire
  5. Sheath type: LSOH, zero halogen
  6. Armour: galvanised steel braid
  7. Sheath type: LSOH (without halogen), black jacket

 

Mechanical
  • Bending radius: 
    • Dynamic (at installation): ≥ 276mm, 24 x Ø, 
    • Static (installed): ≥ 138mm, 12 x Ø
  • Temperature range: 
    • (while operating) -20°C to +60°C, 
    • (during installation) 0°C to +50°C, 
    • (transport and storage) 0°C to +50°C
  • Fire resistance: Euroclass B2ca-s1a, d1, a1
  • Smoke opacity 27m³ chamber: NF EN 61034, transmittance ≥ 80% 
Environmental
  • Transmission characteristics at 20°C:
    • Frequency (MHz)  4  20  100  500
    • Max. attenuation (dB/100m) 3.6  8  18.1  41.2
    • Next (dB)  90  90  85  74
    • Return Loss (dB)  26  26  24  18
Electrical
  • Conductor loop resistance ≤146.4Ω/km
  • Resistance unbalance ≤ 2% 
  • Dielectric strength: direct current 1kV for 1 minute
  • Insulation resistance (500V) ≥ 5000MΩ.km
  • Characteristic impedance at 100MHz: 100 ± 5Ω

Range

 

 

 

Composition

Diameter 
of core 
(mm2)

External
diameter
(mm2)

Weight
(kg/km)

Max. installation voltage (N)

Length
(m)

Reel

U4148

4p

0,56

11,5

160

1400

1000

B

U4149

2 x 4p

0,56

12,3x21,4

300

1400

500

B

 

Norms and standards

General standards
  • 100 ohms K20 RATP specification
  • RATP approved 

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