PRC ship cables with rubber insulation

Marine cable with copper conductors with rubber insulation, in a sheath made of oil - resistant rubber that does not spread combustion.

Manufactured in accordance with GOST 7866.1 - 76.
It is used in power and lighting networks, in control circuits, signaling and inter - device connections for alternating voltage up to 690 V with frequency up to 400 Hz or direct voltage of 1200 V; for fixed installation indoors

Brand design

1. Conductor - copper, round, multi - wire; 3 class of flexibility according to GOST 22483 - with a section from 1 to 4 mm2; 2 class of flexibility according to GOST 22483 - with a section from 6 to 400 mm2.

2. Separating layer - it is allowed to apply synthetic films over current - carrying conductors (under the insulation) of cables.
3. Insulation - insulating rubber.
4. Twisting - insulated conductors of cables are twisted into a cable in concentric twists in different directions, it is allowed to twist insulated conductors in concentric twists in one direction. Insulated conductors of two - core cables with a cross - section up to 4 mm2 inclusive are allowed to be placed in parallel. Each line of cables with a conductor cross - section up to 2.5 mm2 inclusive has a counting conductor and a direction conductor.
When twisting insulated conductors into a cable, it is allowed to use a rubber cord as a filling. The letter "C" is added to the designation of brands of cables with a distinctive marking of each core (digital or color).
5. Separating layer - for the insulation of single - core cables and the outer layer

Specifications

Type of climatic modification OM according to GOST 15150.

Operating temperature range: from - 40 ° С to 45 ° С.
Relative humidity at 35 ° C: up to 100% .
Laying and installation of cables without preheating should be carried out at a temperature: not lower than - 15 ° С.
Bending radius when installing fixed cables: at least 5 outer diameters.
Bending radius when installing cables in hard - to - reach places: at least 3 outer diameters with no more than two bends in one place.
Vibration and single shock resistant cables.
The cables are seawater resistant.
Cables are flame retardant when laid alone.
The cables are resistant to intermittent exposure to lubricating oils and diesel fuel.
The cables withstand the AC voltage test: 2500 V.
Electrical resistance of insulation calculated per 1 km of length and temperature 20 ° С: not less than 100 megohms.
Long - term permissible temperature on the conductor: no more than 65 ° C.
Rack cables at a temperature of + (25 ± 10) ° С to bends with the number of cores:
up to 7 inclusive: at least 10 bending cycles;
over 7: at least 5 bending cycles with a bending diameter equal to five cable diameters and a bending angle of ± (180 ± 10) °.
Cables are resistant to short - circuit currents with a duration of no more than 1 s, causing an increase in temperature on the current - carrying conductor: up to 200 ° C.
Construction length of cables: not less than 125 m.
Minimum service life: 25 years.
Warranty period of operation: 5 years from the date of putting the cable into operation.