IEC 60502-2 Armoured (SWA) 3 x 185

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. They are well adapted to underground use in industrial applications where chemical and mecanical protections are needed (refinery areas, chemical plant...).

 

Design

Conductor:

Stranded bare copper (class 2)

Semi conductor

Insulation:

Cross-linked polyethylene (XLPE)

Semi conductor

Screen:

Copper tape

Bedding

An inner sheath acting as a filler with practically zero thickness

Inner sheath:

Polyvinyl chloride (PVC)

Armour:

Galvanized steel wires (SWA) or aluminium wires (AWA) for 1 core cable

Outer sheath:

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

 

Core identification

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

 

Marking

NEXANS 279 XLPE/PVC/SWA or AWA/PVC VOLTAGE Nber of cores and cross-section Cu/Alu IEC 60332-3-22(A) MM YYYY Manufacturing number + metric 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
Inner sheath
PVC
Armour type
Galvanized steel wires
Outer sheath
PVC
Protection
Yes

Dimensional characteristics

Dimensional characteristics

Number of cores
3
Conductor cross-section
185 mm²
Conductor diameter
15.85 mm
Diameter over insulation
33.05 mm
Diameter over screen
34.5 mm
Diameter over inner sheath
82.5 mm
Diameter over armour
88.8 mm
Minimum outer diameter
95.3 mm
Maximum outer diameter
105.1 mm
Approximate weight
18901 kg/km

Electrical characteristics

Electrical characteristics

Rated Voltage Uo/U (Um)
18 / 30 (36) kV

Mechanical characteristics

Mechanical characteristics

Mechanical resistance to impacts
Good

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
3 cores: 8 x outer diameter
To be doubled during laying operations

Aluminium conductors available on request.

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