KPPGNG (A) -FRHF, KPPGENG (A) -FRHF, KPBBPNG (A) -FRHF KPVBPNG (A) -FRHF

Description Construction

Applying area and purpose

Cables are designed for fixed connection to electrical devices, apparatuses, terminal assemblies of electrical switchgears for a rated alternating voltage of 660 at a frequency of up to 100 Hz or a constant voltage of up to 1000 V.

Cables are used for group laying of cable lines for power and control circuits. Cables are intended for use in large thermal power plants, petrochemical facilities, in the subway, in buildings and structures with a large stay of people, concert halls and indoor stadiums, theaters, airports, train stations, and in rooms equipped with a computer and microprocessor technology and other facilities that are subject to increased fire safety requirements. Fire-resistant cables remain operational under conditions of flame exposure for 180 minutes.

Shielded cables are used when it is necessary to protect electrical circuits from the influence of external electric fields.

Armored cables are used when there is a risk of mechanical damage during operation, if the cable is not subjected to significant tensile forces.

Fire hazard class in accordance with NATIONAL QUALITY STANDARD 31565 cables of the execution "ng (a) -frhf" - p1b.1.1.2.1.

Technical data

Rated voltage, kV

0,66

 

Ambient temperature during cable operation, ° С

from - 50

up to + 50

Long-term permissible core heating temperature during operation, ° C

+70

Minimum bending radius

cable diameters

for armored

10

for

unarmored

6

Cables are laid at a temperature (without preheating), ° С,

not less

- 15

Conductive core

Single-wire copper, class 1 according to NATIONAL QUALITY STANDARD 22483, cross section from 0.75 to 6 mm2.

Thermal barrier

Winding with glass mica tapes.

Insulation

Halogen-free polymer composition.

Twisting

The number of cores is from 4 to 61. The insulated cores of the cables are twisted, in each coil there is a counting pair.

Digital and color marking of core insulation is allowed.

Separation layer

Halogen-free polymer composition.

Screen

For cables of KPPGeng (A) -FRHF brand - copper tape winding.

Armor

For cables of the KPBbPng (A) -FRHF brand it is imposed spirally from two steel galvanized tapes.

Outer sheath or protective hose. Halogen-free polymer composition.

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