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