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  HomeProuductsBS 6724 Standards Cables

BS 6724 Standards Armoured Power Cables, 1900/3300V
Single-core cables with circular stranded copper conductor

Application

These cables are used for power and control circuits, they can offer excellent protection through the use of a heavy galvanized steel wire armour. The GSWA makes them suitable for use inside and outside buildings or for direct burial in the ground. For installation where fire, smoke emission and toxic fumes create a potential threat to life and equipment.

Construction

Conductor Solid Aluminum or Annealed Copper conductor, circular or shaped, Class 2 to BS EN60228.
Insulation XLPE (Cross-Linked Polyethylene) Type GP 8 conforming to BS 7655-1.3 or type GP 6 conforming to BS 7655-1.2.
Colour Code 1 Core : Brown or Blue
2 Cores: Brown, Blue
3 Cores: Brown, Black, Grey
4 Cores: Blue, Brown, Black, Grey
5 Cores: Green/Yellow, Blue, Brown, Black, Grey
Above 5 Cores: White Cores with black numbers
Bedding The bedding shall consist of an extruded layer of polymeric material consistent with the operating temperature of the cable.
Armour Single Core: AWA (Aluminum Wire Armour)
Multi Core: GSWA (Galvanized Steel Wire Armour)
  Multi Core: SWA (Steel Wire Armour)
Outer Sheath LSOH (Low Smoke Zero Halogen),conforming to BS 7655-6.1.

Technical Information

Voltage rating 1900/3300V
Temperature rating 0°C to +90°C
Bending radius 1.5mm² to 16mm²: 6 x overall diameter
25mm² and above: 8 x overall diameter
Flame retardant BS EN 60332-1-2 ; BS EN 60332-3-24:2009
Halogen free BS EN 60754-1
Smoke density BS EN 61034-2

Single-core 1900/3300 V cables with circular stranded copper conductor

Nominal Cross-sectional Area Strand Type Nominal Insulation Thickness Nominal Bedding Thickness Nominal Alum Wire Armor dia. Nominal Sheath Thickness Approx. Overall Diameter Aprrox Weight
mm² No./mm mm mm mm mm mm kg/km
1x50 19/1.78 2 0.8 1.25 1.6 20.6 790
1x70 19/2.14 2 0.8 1.25 1.6 22.4 1040
1x95 19/2.52 2 0.8 1.25 1.6 24.3 1330
1x120 37/2.03 2 1 1.6 1.7 27.2 1680
1x150 37/2.25 2 1 1.6 1.7 28.8 1970
1x185 37/2.52 2 1 1.6 1.8 30.8 2370
1x240 61/2.25 2 1 1.6 1.8 33.5 2960
1x300 61/2.52 2 1 1.6 1.9 36.1 3610
1x400 61/2.85 2 1.2 2 2 40.5 4600
1x500 61/3.20 2.2 1.2 2 2.1 44.2 5680
1x630 127/2.52 2.4 1.2 2 2.2 48.8 7160
1x800 127/2.85 2.6 1.4 2.5 2.4 55.4 9150
1x1000 127/3.20 2.8 1.4 2.5 2.5 60.6 11270