Telephone cable fitted with solid polyethylene insulation of conductors, and shield made of alum- polymer tape, in polyethylene sheath with hydrophobic filling.

APPLICATION:

Installation in telephone ducts, conduits and wells; installation along building walls; hanging on overhead communication lines in high humidity conditions.

CONSTRUCTION:

Conductor - Flexible copper wire

Insulation - Insulating high-pressure polyethylene (HPPe)

Filler - Hydrophobinol

Wrapping - Mylar film and/or bag paper

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 +50°C;

Max tensile load of cable during installation - 50N/mm2 of total cross-section of conductor;

Minimum service life under normal operating conditions - 25 years;

Primary application - installation in high humidity conditions in conduits, tunnels, wells, telephone ducts and installation on building walls or hanging on overhead communication lines;

Installation temperature - not below -10°C;

Installation bends - at least 10 sheath diameters.

ELECTRICAL CHARACTERISTICS:

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 - 5000;

Operating capacity, millimicrofarad, per 1 km length:

50+/-5

PRIMARY MANUFACTURED ASSORTMENT

Type of ТРРерЗ

Diameter of conductor, mm

Number of pairs in cable

0,40

10*2, 20*2, 30*2, 50*2, 100*2, 200*2

0,50

DELIVERY FORM:

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.