Cable distributive low-pair KRVPM

Technical characteristics

• cables distributive low-steam rooms are made according to ST of limited liability partnership 143-1930-10-16-18-2012;
• maximum permissible working temperature in the conditions of the fixed installation from-15 ºС to +65 ºС;
• relative humidity of air at a temperature of 35 ºС - to 98%;
• the electric resistance to a direct current of a conducting vein counted for length of 1 km and temperature 20 ºС for a vein with a diameter of 0,4 mm - no more than 150 Ohms; 0,5 mm - no more than 96 Ohms; 0,8 mm - no more than 36,6 Ohms;
• the electric resistance of isolation to a direct current counted for length of 1 km and temperature 20 ºС — not less than 150 megohms;
• ohmic asymmetry of veins in working couple — no more than 3,0%;
• the electric volume of couples by 0,1 km at a frequency of 0,8 kHz - no more than 5,6 nf;
• transitional attenuation on the near end for cables to pair twist on length of 100 m at a frequency of 1 MHz - not less than 60 DB; 4 MHz - not less than 53 DB; 10 MHz - not less than 47 DB; 16 MHz - not less than 44 DB; 20 MHz - not less than 42 DB; 62,5 MHz - not less than 35 DB; 100 MHz - not less than 32 DB;
• test tension between veins of a direct current - 1000 V;
• the minimum radius of a bend — not less than 10 multiple values of the smallest external size of a cable.

Structure of a cable

• conducting vein from a copper wire of the MM brand;
• isolation of veins from polyethylene of low pressure;
• two isolated veins are twisted in symmetric couple, the twisted couples or single veins are twisted in the core;
• coloring of isolation of veins according to ST of limited liability partnership 143-1930-10-16-18-2012;
• production of the core of a cable from not twisted couples or single veins is allowed;
• cable cover from the plastic compound PVC which is not extending burning;
• color of a cover - white, gray, black. ^*

* By request of the consumer color of a cover of a cable can be any!

Application of a distributive cable

Cables are intended to pair twist for stationary laying in buildings and constructions, for use in telecommunication networks and for connection of devices in computer networks. Cables are used in the private range to 16 MHz (3 Cat), at a working alternating voltage no more than 145 Century. Cables with a diameter of TPZh of 0,5 mm are used in the frequency range to 100 MHz (5 Cat), at a working alternating voltage no more than 145 Century. Cables are intended to unpaired twist for stationary laying in buildings and constructions, for use in the fire and security alarm system, connections of sensors of instrumentation and automated control systems.

Table of the geometrical sizes and mass of a cable