Telephone cable in polyethylene sheath, fitted with solid polyethylene insulation of conductors, and shield made of alum-polymer tape.
Installation in telephone ducts, conduits and wells; installation along building walls; hanging on overhead communication lines.
Conductor - Flexible copper wire
Insulation - Insulating high-pressure polyethylene (HPPe)
Wrapping - Mylar film
Shield - Alum-polyethylene tape with tinned copper wire base Sheath - Light-stabilized high-pressure polyethylene
OPERATION AND INSTALLATION CONDITIONS:
Operating temperature - from -50°C to +60°C;
Max tensile load of cable during installation - 50N/mm2 of total cross-section of conductor;
Minimum service life under normal operating conditions - 20 years;
Primary application - installation in conduits, tunnels, wells, telephone ducts, and installation on building walls or hanging on overhead communication lines;
Installation temperature - not below -15°C;
Installation bends - at least 10 sheath diameters.
Electrical resistance of conductors per 1 km length at temperature of 20°C, Ohm:
0.32 mm in diameter - 216+/-13;
0.40 mm in diameter - 139+/-9;
0.50 mm in diameter - 90+5.9/-6.0;
0.64 mm in diameter - 55+/-3:
0.70 mm in diameter - 45+/-3;
Electrical resistance of insulation per 1 km length at temperature of 20°C, MOhm:
At least - 8000;
Operating capacity, millimicrofarad per 1 km length:
PRIMARY MANUFACTURED ASSORTMENT
Type of TPPep
Diameter of conductor, mm
Number of pairs in cable
10*2, 20*2, 30*2, 50*2, 100*2, 200*2
Cable is delivered in coils or wooden drums as per GOST 5151-79, in construction lengths based on parity, from 120 m to 500 m and more.