Signal Cable for railway signal and digital signal transmission

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Loading Port:
Shanghai
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TT or LC
Min Order Qty:
100 m
Supply Capability:
100000 m/month

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Product Description:

Product Introduction:

 

It  is fit for railway signal and digital signal transmission in area of  high speed heavy loading electrization or non-electrization railway with  rated voltage of A.C 750V and D.C 1100V,and for special fixed laying  serial cable of some automatic control device.

 

Characristics:The  DC resistance of the fifth-class tinned flexible cord conductor shall  be in accordance with the requirements stipulated in GB/T 3956.2、Burning  test: it shall meet the single vertical burning test stipulated in  JB/T18380.1; the uncarbonized part shall not be less than 50mm in  length.3、Oil-immersed test: after being immersed in the oil solution at 100℃  for 24h, its tensile strength variation shall not be more than 40%, and  the variation of its elongation at break shall not be more than 40%

 Specification

Type

Designation

Number of core

Standard

PTYA23

Copper core PE insulated integrated sheath steel tape armoured PE sheath railway signal cable

4、6、8、9、12、14、16、19、21、24、28、30、33、37、42、44、48、52、56、61

TB/T2476

PTYL23

Copper core PE insulated Al sheath steel tape armoured PE outer sheath railway signal cable

SPTYWA23

Copper core foamed PO insulated integrated sheath steel tape armoured PE sheath railway digital signal cable

TB/T3100

SPTYWL23

Copper core foamed PO insulated Al sheath steel tape armoured PE outer sheath railway digital signal cable

SPTYWPA23

Copper core foamed PO insulated integrated sheath steel tape armoured PE outer sheath inner shielding railway digital signal cable

8B、12A、12B、14A、14B、16A、16B、19A、19B、21A、21B、24A、24B、28A、28B、30A、30B、33A、37A、42A、44A、48A

SPTYWPL23

Copper core foamed PO insulated Al sheath steel tape armoured PE outer sheath inner shielding railway digital signal cable

Structural figure

Type, specification and Designation

Type

Designation

Number of core

Standard

PTYA23

Copper core PE insulated integrated sheath steel tape armoured PE sheath railway signal cable

4、6、8、9、12、14、16、19、21、24、28、30、33、37、42、44、48、52、56、61

TB/T2476

PTYL23

Copper core PE insulated Al sheath steel tape armoured PE outer sheath railway signal cable

SPTYWA23

Copper core foamed PO insulated integrated sheath steel tape armoured PE sheath railway digital signal cable

TB/T3100

SPTYWL23

Copper core foamed PO insulated Al sheath steel tape armoured PE outer sheath railway digital signal cable

SPTYWPA23

Copper core foamed PO insulated integrated sheath steel tape armoured PE outer sheath inner shielding railway digital signal cable

8B、12A、12B、14A、14B、16A、16B、19A、19B、21A、21B、24A、24B、28A、28B、30A、30B、33A、37A、42A、44A、48A

SPTYWPL23

Copper core foamed PO insulated Al sheath steel tape armoured PE outer sheath inner shielding railway digital signal cable

 

Technical parameter

1、PTYA23 and PTYL23 Electrical parameter

No

Item

Unit

Value

Conversion formula

1

D.C Resistance at 20℃

D.C Resistance of each conductor

conductor balance of quad pairs

 

Ω/km

%

 

≤23.5

≤1.5

 

L/1000

2

 Resistance

MΩ·km

≥3000

1000/L

3

nF/km Working capacitance

Star quad pairs working capacitance

twin pair working capacitance

Capacitance between each insulated core and others connected to earth

nF/km

 

≤50

 

≤70

≤100

L/1000

4

 Capacitance coupling

K1       Average value

 Maxium value

pF/500m

 

≤100

≤330

 

L/500

5

Capacitance imbalance to the earth

ea1、ea2      Average value

ea1、ea2       Maxium value

ea1、ea2

ea1、ea2 means the maxium value for the for core cable

pF/500m

 

 

≤300

≤1294

L/500

6

Insulation voltage test 50Hz   2min

Between the core

Between core and other earth

V

 

1000

1800

 

 

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