Railway Digital Signal Cable Wire for Building

Railway Digital Signal Cable Wire for Building

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Loading Port:: Shanghai

Payment Terms:: TT or LC

Min Order Qty:: 1000 m

Supply Capability:: 1000000 m/month

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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)
7 7.1 7.2	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

Q: Four lines only reached a phase line, at the other end all charged, I use the digital pen! In addition, I often check the cable when the cable current through the dot digital pen voltage symbols sometimes have time to disappear, in other bare wires when the test keys are normal! What is this going on! Ask the heroes to give the younger brother a complete point of the answer! More: This is too difficult to give you a way to just try: with a fine wire rope, that is, lift the clothes on the stick so thick, the end of a bend, with a tape wrapped around the head, try can not wear, wear When the possibility of rotating wire rope, if you can go through the success of the half, the key is to use the wire through the more difficult, can only use the cord, hard-line 100% make life difficult.

Q: I would like to ask my new workshop power consumption of about 500KW, injection molding machine, 60KW . 40KW . 20KW . the other 20KW, how much should the wire? Respectively how to use lines and switches more: There must be no room for consultation I did not have to do for seven years lazy they want to do nothing irresponsible

Q: Rt, the charger did not change, has been no problem before, today just plugged into the charger, the results appear as if the problem, before the out of this problem, and now only ipad power off after the power can not be charged, and ipad start , Then immediately prompted the title, can not charge more: The proportion of the cross-sectional area of the cable through the embedded pipe is 20%

Q: Do not know why not mislead. The The The The The Fire resistance is IECGBBS6387. GB is the general principle of flame retardant and fire resistant wire and cable, quoted the above criteria...........................: Directly to find Dell customer service bar, the general warranty period are free replacement, unless the insurance of the. You can extend the warranty period, it seems you like to do the experiment.

Q: IPhone mobile phone data cable can not charge the power, the above shows the cable or accessories not certified can not work with the iPhone,: Wiring room refers to the distribution of the weak floor of the room, the weak point refers to the building weak vertical pipe

Q: Cable a fire line power and why the other did not pick up the line with a pen test also have electricity? Answer detailed point: Megohmmeter, such as measuring insulation normal, that is, induction power, the other line after grounding, the pen measured no electricity.

Q: Wire and cable CCC product consistency is what: PVC line, the market is better with plastic, plastic, . Wantong, etc., if only home improvement, then the brand requirements do not need so high. Small brands are the same, we see the quality. Network cable, then preferred Ann or TCL.

Q: What are the varieties of wire and cable (detailed point): The meaning of the letter: W refers to the halogen-free, D refers to the low smoke, Z refers to the flame retardant WDZ is halogen-free low smoke flame retardant jacket power cable. WDZC refers to halogen-free low smoke C-class flame retardant

Q: This cable or accessory has not been certified and may not be able to work with this iphone reliably: The operation of the hydraulic pipe is very simple to see it will engage in their own, embedded more simple, and then get the construction site in accordance with the requirements of the drawings put away, tied with tie wire on the OK Mouth up the pipe to use cement bag to prevent good, to prevent the infusion of concrete, so buried even if the end

Q: What is the warranty period for wire and cable?: Wire and cable warranty period is 30 years of national warranty period. But the specific warranty period according to the type of wire and cable and the use of conditions and temperature and applicable methods to determine. General cable maintenance period is about 15 years, but to ensure that the normal use of the environment, such as the amount of temperature is below 70 degrees, but you are more than 70 working environment to use, of course, may not be used for a year. Therefore, the most important thing is to follow the instructions to use.

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