Railway signal cable
- cpfl:
This product is suitable for the control circuit of transmission of railway signal, audio signal or …
Description
This product is suitable for the control circuit of transmission of railway signal, audio signal or automatic signal device with rated voltage ac 500V or dc 1000V and below, among which the comprehensive sheath and aluminum sheath railway signal cable have certain shielding performance, suitable for laying in electrified section or other areas with strong electric interference. |
| 1 use characteristics 1.1 the ambient temperature of the cable is -40℃~+60℃. 1.2 the long-term operating temperature of the cable conductor shall not exceed +70℃. 1.3 ambient temperature of cable laying: PVC sheathed cable shall be no less than 0℃; Polyethylene sheathed cable shall not be lower than -20℃. 1.4 allowable bending radius of cables: non-armored cables shall not be less than 10 times of the outer diameter of cables; The armored cable shall not be less than 15 times the outer diameter of the cable. 1.5 the ideal shielding coefficient of integrated sheathed railway signal cable is less than or equal to 0.8; The ideal shielding coefficient of aluminum sheathed railway signal cable is less than 0.3 |
| Model, name and specification |
| model | The name of the | Laying range | Specification (core) |
| PTYV | Polyethylene insulated polyvinyl chloride sheathed railway signal cable | Laid in soil, trough, tube, can withstand general mechanical external forces. | 4, 6, 8, 9, 12, 14, 16, 19, 21, 24, 28, 30, 33, 37, 42, 44, 48, 52, 56, 61 |
| PTYY | Polyethylene insulated polyethylene sheathed railway signal cable | ||
| PTY22 | Polyethylene insulated steel tape armored PVC sheathed railway signal cable | Lay in soil, trough, tube, can bear larger mechanical external force | |
| PTY23 | Polyethylene insulated steel tape armored polyethylene sheathed railway signal cable | ||
| PTYA22 | Polyethylene insulated sheathed steel tape armored PVC sheathed railway signal cable | ||
| PTYA23 | Polyethylene insulated sheathed steel tape armored polyethylene sheathed railway signal cable | ||
| PTYL22 | Polyethylene insulated aluminum sheathed steel tape armored PVC sheathed railway signal cable | ||
| PTYL23 | Polyethylene insulated aluminum sheathed steel tape armored polyethylene sheathed railway signal cable |
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