PTYA23 Railway Signal CableApplicable to control circuits for transmitting railway signals, audio signals, or automatic signal devices with rated voltage of AC 500V or DC 1000V and below. The comprehensive sheathed and aluminum sheathed railway signal cables have certain shielding performance and are suitable for laying in electrified sections or other areas with strong electrical interference.

Usage characteristics

1. The operating temperature range for cables is -40 ℃ to+60 ℃.

2. The long-term operating temperature of cable conductors should not exceed+70 ℃.

3. Environmental temperature for cable laying: PVC outer sheath cables should not be lower than 0 ℃; Polyethylene sheathed cables should not be lower than -20 ℃.

4. The allowable bending radius of cables: Non armored cables should not be less than 10 times the outer diameter of the cable; Armored cables should not be less than 15 times the outer diameter of the cable.

5. The ideal shielding coefficient of the comprehensive sheathed railway signal cable is less than 0.8; The ideal shielding coefficient of aluminum sheathed railway signal cables is less than 0.3