IEC 60502-2 Unarmoured 1 x 630

Description

Description

Standards

  • International
    IEC 60228; IEC 60332-3-22 Cat.A; IEC 60502-2

Applications

These power cables are used for electricity supply in medium voltage installation system where chemicals may be present.

 

Design

Conductor:

Stranded bare copper (class 2);

Semi-conductor

Insulation:

Cross-linked polyethylene (XLPE)

Semi-conductor

Screen:

Copper tape

Bedding (Optional):

An inner sheath acting as a filler with practically zero thickness

Outer sheath:

Polyvinyl chloride (PVC). Colour: red. Other colour on request.

 

Core identification

1 core: natural
3 x: black – green – brown (by tape under copper screen)
 

 

Marking

NEXANS 279 XLPE/PVC VOLTAGE Nber of cores and cross section Cu/Alu IEC 60332-3-22(A) MM YYYY manufacturing number + meter marking

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Bare copper
Type of conductor
Stranded, Class 2
Insulation
XLPE (Cross-linked Polyethylene)
Screen
Copper tape
Outer sheath
PVC
Protection
no

Dimensional characteristics

Dimensional characteristics

Number of cores
1
Conductor cross-section
630 mm²
Conductor diameter
31.4 mm
Diameter over insulation
44.4 mm
Diameter over screen
45.8 mm
Minimum outer diameter
55.6 mm
Maximum outer diameter
61.3 mm
Approximate weight
8318 kg/km

Electrical characteristics

Electrical characteristics

Rated Voltage Uo/U (Um)
12 / 20 (24) kV

Usage characteristics

Usage characteristics

Fire retardant
IEC 60332-3-22
Oil resistance
Yes
Max. conductor temperature in service
90 °C
Operating temperature, range
-20 - 60 °C
U.V resistance
Yes

Resources

Resources

Selling & delivery Information


Other fire performances IEC 60332-1 or IEC 60332-3-24(C) and enhanced hydrocarbon resistance on request.


Minimum bending radius:

1 core: 10 x outer diameter
3x: 8 x outer diameter
To be doubled during laying operations


Aluminium conductors available on request

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