EX 3*70SM

Description

Description

Standards

  • Product
    IEC 60228; IEC 60502-1
  • Test
    IEC 60332-1-2

Scope

This specification covers XLPE insulated, circular or shaped, multicore unarmoured cables, rated at 0.6/1 KV according to IEC 60502-1 for use indoors, outdoors, and in cable ducts.

Construction

2.1 Conductor

Plain, annealed electrolytic copper conductors, circular stranded, or sectoral stranded, conforming to the applicable requirements of IEC 60228.

2.2 Insulation

XLPE material, conforming to the applicable requirements of IEC 60502-1.

2.3 Assembly

Insulated conductors are laid up, filled where necessary with non-hygroscopic material.

2.4 Sheath

Special fire retardant PVC based thermoplastic material, conforming to the applicable requirements of IEC 60502-1.

2.5 TESTS

Conforming to the applicable requirements of IEC 60502-1 either on Raw materials or on finished products.

Test at works

Routine Tests

 -          Max. DC conductors resistance at 20°C acc. to IEC 60228 & IEC 60502-1 parag. 15.1 & 15.2

 -          Voltage test acc. to IEC 60502-1  parag.15.1& 15.3

Liban Cables will carry out these tests on all the lengths and tests certificates will be provided.

 

Sample Tests

 -          Check of the build - up and color coding of the cable

 -          Check of dimensions

            Insulation          :           according to IEC 60502-1                       Parag.  16.5.2

            Oversheath       :           according to IEC 60502-1                       Parag.  16.5.3

 -          Hot Set Test      :           according to IEC 60502-1                       Parag.  16.9

 

These tests will be carried out on one length during  of each size during each inspection .

Tests certificates will be provided by Liban Cables

 

Type Tests

Mechanical characteristics on insulation and sheaths material (tensile strength and elongation at break) in accordance with IEC 60502-1.

Fire retardance test according to IEC 60332-3.

These tests will be carried out on one length of the order

Tests certificates will be provided by Liban Cables

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Copper
Conductor shape
Shaped
Number of conductors
3
Insulation
XLPE
Outer sheath
Special PVC compound

Dimensional characteristics

Dimensional characteristics

Conductor cross-section
70 mm²
Nominal insulation thickness
1.1 mm
Nominal outer sheath thickness
1.9 mm
Nominal outer diameter
30.0 mm
Approximate weight
2282 kg/km

Electrical characteristics

Electrical characteristics

Max. DC resistance of the conductor at 20°C
0.268 Ohm/km
Permissible current rating in open air
242 A
Permissible current rating when buried
252 A
Test voltage
3500 V
Rated Voltage Uo/U (Um)
0,6/1 kV

Usage characteristics

Usage characteristics

Operating temperature, range
-15 ... 55 °C
Installation temperature, range
-5 ... 50 °C
Ambient air temperature
30 °C
Short-circuit max. conductor temperature
250 °C
Flame retardant
IEC 60332-1-2
Fire retardant
IEC 60332-3

Resources

Resources

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