3C X 70 mm2

Description

Description

Standards

  • International
    IEC 60332-3-22 Cat.A; IEC 60502-1

Scope

The Cables covered in this specification are used for electricity supply in low voltage installation system. They are well adapted to underground use in industrial applications where chemical and mechanical protections are needed (refinery areas, chemical plants...).

 

Design

 

1. Conductor

Plain annealed high-conductivity Stranded Copper Class 2 conforming to BS EN 60228

 

2. Insulation

XLPE

 

3. Filling or Bedding

 Extruded PVC

 

4. Armour

Single layer of Galvanised Steel Wires (GSWA)

 

5. Outer Sheath

Flame Retardant PVC

 - Flame retardant : IEC60332-3-22 CAT A

 - Colour :  Black

 

Marking (by Embossing/Engraving)

NO.OF CORES X Sq.mm CU/XLPE/PVC/GSWA/PVC FR 600/1000 V  IEC 60502-1 IEC 60332-3-22 MADE IN QATAR QICC-NEXANS Years  Meters

 

 

 

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Copper
Conductor flexibility
Stranded class 2
Conductor shape
Circular
Insulation
XLPE
Core identification
Red,Blue,Yellow
Inner sheath
PVC
Armour type
Galvanized steel wires
Outer sheath
Flame retardant PVC
Colour
Black

Dimensional characteristics

Dimensional characteristics

Number of cores
3
Conductor cross-section
70 mm²
Approximate weight
3385 kg/km
Nominal outer diameter
35.4 mm

Electrical characteristics

Electrical characteristics

Rated Voltage Uo/U (Um)
0,6/1 kV
Max. DC resistance of the conductor at 20°C
0.268 Ohm/km
Permissible current rating in open air
251 A
Permissible current rating when buried
188 A
Thermal soil resistivity dry zone
2.5 °K.m/W

Usage characteristics

Usage characteristics

Max. conductor temperature in service
90 °C
Short-circuit max. conductor temperature
250 °C
Bending factor when laying
12 (xD)
Ambient air temperature
30 °C
Ambient ground temperature
20 °C
Laying depth, center of system
700 mm
Max. pulling force during laying
50 N/mm2
Resistant to termites
Yes

Resources

Resources

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