Cable for signalling and interlocking, with copper conductors, with polyethylene insulation, with hydrophobic filling of the core, in an aluminium jacket, with armour made of two steel bands, in a protective hose made of light-stabilised polyethylene, in a reinforced aluminium jacket, are designed for railway automation and telemechanics devices, electrical installations of signalling and automation for rated voltage up to 380 V inclusive AC frequency of 50 Hz or 700 V DC, as well as the organisation of tone circuits and technological communication in the range from 25 to 20000 Hz.
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