Railway Digital Signal Cable Wire for Building

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Shanghai
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TT or LC
Min Order Qty:
1000 m
Supply Capability:
1000000 m/month

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Product Description:

Railway Digital Signal Cable

 

Product Description

Application

Cable is available for railway signal system connecting equipments and control facilities, could carry out the transportation of control information and electronic at 1MHz (analog signal), 2Mbit/s(digital signal), rated AC voltage 750V or DC 1100V and below.

 

Executive Standard

  TB/T3100-2004

Operational Performances:

  Ambient temperature of cable is -40~ +60°C,installation temperature no less than-10°C

  Long-term working temperature no more than +70°C,

  Cable allowed bending radius: 10 times of O.D. for non-armored cable, 15 times of O.D. for armored cable.

 

 

Model and Structure

Model

Name

Installation   requirements

Structure(Core   No.)

SPTYW   03

Skin-foam-skin   physical foaming PO insulated PE nutter sheathed digital signal cable

Pipeline,   hanging

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

SPTYW23

Skin-foam-skin   physical foaming PO insulated double steel tape armored PE outer sheathed   digital signal cable

Direct   bury, pipeline, hanging

SPTYWA23

Skin-foam-skin   physical foaming PO insulated synthesis sheathed PE nutter double steel tape   armored sheathed digital signal cable

SPTYWL23

Skin-foam-skin   physical foaming PO insulated A1 sheathed double steel tape armored PE nutter   sheathed digital signal cable

Product Electrical Characteristics

No.

Item

Unit

Index

Testing method

Reduction   formula

1

1.1

1.2

DC resistance at   20°C

Single conductor   DC resistance Working pair of conductor resistance imbalance

Ω/km

%

22.5±1.0≤1

GB/T3048.4

L/1000

-

2

DC 500V 20°C

Insulation   resistance DC 500V 20°C

Single   insulation core to other insulation core

connected with   screening and metal

MΩ·km

≥10000

GB/T3048. 6

1000/L

3

3.1

3.2

50Hz 2min   Insulation dielectric strength

Within cores

All cores   connect together (or each core) double screening and

metal sheath

V  

1000

2000

GB/T3048. 8

-

4

4.1

4.2

4.3

0.8~1.0kHz   Electricity capacity

4-core group   working capacity

Double-core   group working capacity

Single   insulation core connected to earth and other insulation core capacity

nF/km

28±3

35±4

≤70

GB/T5441.2

L/1000

5

5.1

5.2

5.3

0.8~1.0kHz   Coefficient of condenser coupling K1       Average Max

    Max

K9-K12   Average Max

    Max

4-core cable K   as the max index

pF/km

≤81

330

≤119

230

GB/T5441. 3

√L/1000

√L/1000

√L/1000

√L/1000

6

6.1

6.2

6.3

0.8~1.0kHz Capacity imbalance with nutter space

ea1,ea2 Average   Max

      Max

4-core cable   index as max

A11ow 10%   plates ea1,ea2 ≤1294pF/km

pF/km

≤330

800

GB/T5441.3

L/1000

7

7.1

7.2

Attenuation near   the end of the circuit

150kHz Within   the group

      Between the group

dB/km

≥51

≥55

GB/T5441.6

-10lg(L/ 1000)

1000kHz 300M or above

        Within the group

        Between the group

dB/km

≥37

≥42

GB/T5441.6

-

8

8.1

8.2

Defence end of   the circuit

150kHz Within the   group

      Between the group

1000kHz Within   the group

      Between the group

dB/km

≥52

≥62

≥39

≥49

GB/T5441.6

-10lg(L/ 1000)

No.

Item

Unit

Index

Testing method

Reduction   formula

9

Characteristic   impedance 20°C

0.55kHz

0. 85kHz

1.7kHz

2.0kHz

2.3kHz

Ω

675±68 550±33

396±24 367±22

343±21

325±20

163±17

155±16

GB/T5441. 7

-

10

Attenuation 20°C

0.55kHz

0. 85kHz

1.7kHz

2.0kHz

2.3kHz

2.6kHz

150kHz

1000kHz

dB/km

≤0.45

≤0.55

≤0.70

≤0.75

≤0.80

≤0.83

≤3.5

≤9.0

GB/T5441.7

L/ 1000

11

Phase angle

0.55 /0.85k/1.7/2.0/2.3/2.6kHz

o

-43±4.3 -42±4.2

-39±3.9

-38±3.8 -37±3.7 -36±3.6  

GB/T5441.7

-

12

(50H z)Ideal   shielding coefficient

50V/km~200V/km

0.8 Synthesis   sheath

0.2AL

sheath

GB/T5441.9

-

  Progress                                                  

 


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