Plastic insulated and PVC sheathed railway signal cables
PTYAH PTYA PZYA PTYV PTYY PTY22 PTY23 (PZY02 PZY03 PZY23 PZY22) 1/0.8mm 2-48 cores are applicable to railway signal contact, fire signal, telegram and other automatic device system of rated voltage AC or DC and below.
Polyvinyl chloride insulated sheathed steel tape armored PVC sheathed railway signal cable
PTYA23 PTYA22 PTY23 PTY22 PTYAH23 PZYA23 PZYA22 PZY23 PZY22 0.8mm (1/1.0MM) 4-61 cores are applicable to the AC rated voltage 500V or DC voltage and the following transmission audio signals and the fixed laying of the railway signal and the control line of the group automatic assembly. It can transmit the general automatic signal of the Railway letter group, and it can also be used. Transmission frequency shift automatic block and business calls and other audio signals.

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