M6N3G 3*300

Description

Description

Standards

  • International
    IEC 60228; IEC 60332-1-2; IEC 60502-2

1-SCOPE

This specification covers three core armoured cables, to IEC 60502-2 Specifications.
 

2. CONSTRUCTION

2.1 Conductor

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

2.2 Insulation

Extruded inner semi conductive layer, XLPE insulation and  extruded outer semi conductive layer .

 

2.3 Metallic Screen Layer

Copper tape on each core

 

2.4 Separation Sheath

PVC .

 

2.5 Armour

Two layers of galvanized steel tape .
 

2.5 Sheath

PVC .
 

3. TESTS

All tests required by IEC 60502-2 either on Raw material or on finished products.

TEST AT WORKS according to IEC 60502-2 for armored cables

Routine Tests

 -          Max. DC conductors resistance at 20°C acc. to IEC 60228 & IEC 60502-2 parag.16.1 & 16.2

 -          High voltage test acc. to IEC 60502-2  parag. 16.1 & 16.4

 -          Max. partial discharge test  at 1.73 Uo acc. to IEC 60502-2  parag.16.1 & 16.3

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 60502-2           Parag.  17.5.2

            Separation sheath         :           according to IEC 60502-2           Parag.  17.5.3

            Armouring                     :           according to IEC 60502-2          Parag.  17.7

            Oversheath                   :           according to IEC 60502-2           Parag.  17.5.3

-           Hot Set Test                  :           according to IEC 60502-2           Parag.  17.10

These tests will be carried out on one length 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 60502-2.

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

Tests certificates will be provided by Liban Cables

MV layers