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Transportation Cables>
Railway traffic cable, PJ, moisture barrier, armored

 
 


Applications
 

 

·       Traffic control and communication cable for railway applications

·       Direct burial or installation in ducts

 

Standards

  ·     IEC-60708

 
Construction

Conductor

Bare copper wire, 0.9 mm

Insulation

Solid polyethylene, nominal thickness 0.55 mm

Twisting

In different lay lengths

Cable lay up

Pairs twisted in concentric layers (≤ 25 pairs) or in units (> 25 pairs)

Filling

Petroleum jelly, drip point 85°C

Cable core wrap

Layers of water swellable material and PETP-Foil

Moisture barrier

Copolymer coated 0.15 mm thick aluminum tape, with sealed overlapping edges

Inner jacket

Black polyethylene

Armor

Corrugated steel tape, 0.15 mm thick

Outer jacket

UV-protected (carbon black) polyethylene

Ripcords

Two at 180° to each other under the inner jacket and under armor

 

Mechanical Properties

Minimum bending radius

 

≥ 20 x outer cable diameter

Temperature Range

During operation

-30° to 70°C

 

During installation

-10° to 50°C

 

  Electrical Properties ( @ 20 ° C)

DC Loop resistance

£ 57 W/km

Resistance unbalance – Ind. pair

£ 5%

Resistance unbalance - average

£ 1.5%

Insulation resistance

³ 1600 MW*km

Mutual capacitance @ 1000 Hz - average

51.6±2.5 nF/km

Capacitance unbalance - pair to pair

£ 255 pF/km

Capacitance unbalance - pair to screen

£ 984 pF/km

Far-end crosstalk at 150 kHz

³ 67.8 dB/km

Attenuation at 900 Hz

£ 0.78 dB/km

Test voltage @ 50 Hz, 1 min

 

 

Pair-to-pair

4500 V

Core-to-screen

15,000 V

Core-to-armor

20,000 V

 

Cable Codes and Technical Parameters

 

Number of Pairs

DCC Cable Code

DCC PN

Nominal Diameter (mm)

Nominal Weight (kg/km)

25

25*2*0.9-B-SO-APRP-G

TCO24300

30

1100

50

50*2*0.9-B-SO-APRP-G

TCO24310

39

1660

100

100*2*0.9-B-SO-APRP-G

TCO24315

46

2740

 

DCC Cables reserves the right to alter the products described in this data sheet without prior notice

 SO-9-APRP-G-001

 020110-A

42e  11.6.09

 

 

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