4C X 300 Sq.mm

Description

Description

Standards

  • International
    IEC 60332-1; IEC 60502-1

Scope

 This specification covers multi-core, XLPE insulated cables for use on the KAHRAMMA low voltage Distribution System .  These cables are complying with IEC 60502-1 and Kahramaa Standard specification No.EP-MS-P4/S3-040 issue : 3

 

Design

1. Conductor

Plain annealed high-conductivity Stranded ,Compacted Copper Class 2 conforming to IEC 60228.

2. Insulation

Extruded XLPE conforming to IEC 60502-1.

3.Innersheathing or Bedding

Extruded PVC suitable for the operating conditions and conforming to IEC 60502-1

5. Armour

Single layer of Galvanized Steel Wire Armour (SWA) + Tinned Copper Wires (TCWA) with Non-conducting Water Blocking Tape above and below the armour layer The conductivity of the copper wires alone is at least 50% of that of any phase conductor, at their respective normal working temperatures.

6. Outer Sheath

Polyvinyl Chloride 'PVC' Type ST2

 - Flame retardant : IEC60332-1

 - Colour :  Black

 

Marking

KAHRAMAA 600/1000V LV XLPE 4 X 300 Sq. mm² IEC 60502-1  MADE IN QATAR QICC-Nexans  Years Meters

 

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Copper
Conductor flexibility
Stranded class 2
Conductor shape
Sector-shaped
Insulation
XLPE (Cross-linked Polyethylene)
Inner sheath
PVC
Armour type
Galvanized steel wire + tin copper wire
Outer sheath
PVC
Colour
Black
Core identification
Red,Yellow,Blue,Black

Dimensional characteristics

Dimensional characteristics

Number of cores
4
Conductor cross-section
300 mm²
Approximate weight
14900 kg/km
Nominal outer diameter
68.3 mm

Electrical characteristics

Electrical characteristics

Rated Voltage Uo/U (Um)
0,6/1 kV
Max. DC resistance of the conductor at 20°C
0.06 Ohm/km
Armour DC resistance at 20°C
0.14 Ohm/km
Permissible current rating in open air
546 A
Permissible current rating when buried
358 A
Permissible short circuit current
17.372 A
Permissible short circuit current conductor 1s
42.9 kA
Permissible short circuit current screen 1s
7.94 kA

Mechanical characteristics

Mechanical characteristics

Mechanical resistance to impacts
Good

Usage characteristics

Usage characteristics

Max. conductor temperature in service
90 °C
Short-circuit max. conductor temperature
250 °C
Ambient air temperature
45 °C
Ambient ground temperature
35 °C
Bending factor when installed
8 (xD)
Flame retardant
IEC 60332-1
Max. pulling force during laying
50 N/mm2

Resources

Resources

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