K20 & L120 LSZH Armoured F/FTP Cat6 Cables

Application

The cables are designed for high speed data transmissions, and are suitable for installations in cable trays or on hooks.

Standard

  • RATP CAT6-K20 (for K20 cable)
  • FRANCE TELECOM S31-10/20 & NF C 93.531-6/7 (for L120 cable)

Cable Construction

K20 & L120 LSZH Armoured F/FTP Cat6 Cables K20 Railway Cable
Conductors Class 1 AWG23 solid copper conductor (for K20 cable); 0.6mm annealed copper conductor (for L120 cable).
Insulation Solid polyethylene (for K20 cable); Foam skin (cellular PE + solid PE) (for L120 cable).
Cabling Element Two conductors are twisted together to form a pair (for K20 cable); Four conductors are twisted together to form a quad (for L120 cable).
Core Wrapping (for L120 cable) Non-hygroscopic plastic tape with overlapping.
Individual Screen (for K20 cable) Alu/polyester shield on each pair.
Overall Screen Alu/polyester shield.
Drain Wire Tinned copper drain wire, 0.5mm nominal diameter.
Inner Sheath (for K20 cable) LSZH.
Armour (for K20 cable) Galvanized steel braid armour.
Outer Sheath LSZH.

Optional

Armoured L120 Cables: Tinned copper braid armoured cables can be offered upon request.

Electrical Characteristics at 20℃

Nominal Conductor Diameter mm 0.56 (K20) 0.6 (L120)
AWG 23 23
Maximum Conductor Resistance Ω/km 146.4 133.2
Minimum Insulation Resistance @500 V DC MΩ/km 500 5000
Characteristics Impedance @100MHz Ω 100 120+15
Maximum Capacitance Unbalance
Real/earth pF/km 1600 300
Maximum Average Attenuation
@1MHz dB/100m 2.0 2.0
@4MHz dB/100m 3.8 3.8
@10MHz dB/100m 6.0 6.0
@16MHz dB/100m 7.6 7.6
@25MHz dB/100m 9.5 9.5
@31.25MHz dB/100m 10.7 10.7
@62.5MHz dB/100m 15.4 15.4
@100MHz dB/100m 19.8 19.8
@250MHz dB/100m 32.9 32.9
Minimum NEXT Pair to Pair
@1MHz dB 77.3 77.3
@4MHz dB 68.3 68.3
@10MHz dB 62.3 62.3
@16MHz dB 59.2 59.2
@25MHz dB 56.3 56.3
@31.25MHz dB 54.9 54.9
@62.5MHz dB 50.4 50.4
@100MHz dB 47.3 47.3
@250MHz dB 41.3 41.3
Minimum ELFEXT Pair to Pair
@1MHz dB 68.8 68.8
@4MHz dB 56.8 56.8
@10MHz dB 48.8 48.8
@16MHz dB 44.7 44.7
@25MHz dB 40.8 40.8
@31.25MHz dB 38.9 38.9
@62.5MHz dB 32.8 32.8
@100MHz dB 28.8 28.8
@250MHz dB 20.8 20.8

Mechanical and Thermal Properties

  • Minimum Bending Radius: 12×OD (static); 24×OD (dynamic)
  • Temperature Range: -40℃ to +60℃ (during operation); -10℃ +60℃ (during installation)

Dimensions and Weight

K20 cables

Cable Code No. of pairs Nominal Sheath Thickness Nominal Overall Diameter Nominal Weight
Inner Outer
    mm mm mm kg/km
0.56mm conductor, 1.45mm Insulated Wire
RD/K20-F/FTPCat6-2Y(St)H(SWB)H-PIMF-4P0.56 4 1.0 1.0 11.7 156

L120 cables

Cable Code No. of pairs Nominal Sheath Thickness Nominal Overall Diameter Nominal Weight
    mm mm kg/km
0.6mm conductor, 1.34mm Insulated Wire
RD/L120-F/FTPCat6-02YHH-4P0.6 4(2Q) 1.8 8.5 x 6* 60
RD/L120-F/FTPCat6-02YHH-8P0.6 8(2 x 4p) 1.8 18 x 6** 120
RD/L120-F/FTPCat6-02YHH-12P0.6 12(3 x 4p) 1.8 16 235
RD/L120-F/FTPCat6-02YHH-32P0.6 32(4 x 4Q) 1.8 19 360
RD/L120-F/FTPCat6-02YHH-64P0.6 64(8 x 4Q) 1.8 30 675
RD/L120-F/FTPCat6-02YHH-128P0.6 128(4SU x 4Q) 1.8 40 1250