High-voltage heat-resistant wires with copper conductors with insulation made of organosilicon rubber of PPST-M mark, operation at alternating voltage of 3000 V AC frequency up to 100 Hz or 4000 V DC. The wires are designed to work in electrical networks, including rolling stock of railway transport in the temperature range from minus 60 to plus 180 ° C, manufactured for the needs of the national economy Type of climatic version O, placement category 2 according to GOST 15150.
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