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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Q:Now the market professional installation monitoring the construction team how much money a point? , As well as cable patch panels and telephone patch panels how much money a point? Is it distance?
I think it is possible, because in our (old) substation, the cable trench is the drain, the cable erected in the cable bracket.
Q:Why this cable has not yet been certified
Electromechanical products are usually used to be assembled into parts, multiple parts and then assembled into a single product, the number of products or the number of pieces measured
Q:Building decoration wiring pipe elbow with yellow wax tube can you?
Reply 3 # shops always have the door, and the door must be adjacent to the outdoor channel. Outdoor channel is public space! So the shop should be able to find the wiring channel. You have not encountered the situation, the map stickers out to see it?
Q:What is the difference between "wire" and "cable"?
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Q:How are various wire and cable models named?
Cable type a lot, here to give an example: ZRC-YJV22-0.6 / 1KV3 * 25 +2 * 16 This model specification means: C-class flame retardant (ZRC) XLPE insulated (YJ) PVC jacket 22) steel tape armor (0.6 / 1KV) 0.6 / 1 kV (3 * 25) 3 25 square (+ 1 * 16) plus two 16 square copper conductor flame retardant copper core steel tape armored cross-linked poly Ethylene insulated PVC sheathed low voltage electric power.
Q:Home leaked, installed in the floor below the wire was blisters will have any security risks? How can the water inside the pipe to dry
Megohmmeter, such as measuring insulation normal, that is, induction power, the other line after grounding, the pen measured no electricity.
Q:What is the difference between wires and cables?
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Q:Cable YJV-3 * 70 + 2 * 35 general wear large SC tube? Ask you.
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Q:A five-hole dual-socket how to connect the wiring, the electrician line to go three lines, the switch can use a single socket did not take their own hands
There are [the top of the machine can be broken off the ball can be hit by Jiu turtle snow box video output cable and DVD video output line] into a junction box, and then through the sub-box toggle switch to select the 'set-top box' or 'DVD'; This junction box outputs a wire connection device or is connected to a TV.
Q:Wire pipe inlet air switch trip how to do?
Wire pipe water problem: In fact, this problem is very serious, then this line should be scrapped or replaced, if you continue to reluctantly use not only to bring you the safety of trouble and the insulation of the wire dropped sharply! Because there is water it will lead to internal leakage can also make the wire heat caused by wire burning and trivial trivial accident, so be sure to take the necessary replacement! Supplement: the wire out of all, with the wire to grab the absorbent gauze and the like back to the twitching, many times for the gauze to dry the water, hair dryer toward the tube to heat the tube to dry and then re-layout of the new line.

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