Fire Resistant Single Core 300-500V

  • Fire resistant single core300-500V
  • fire rated control cable
  • fire resistant control cable
  • Fire resistant single core300-500V
  • fire rated control cable
  • fire resistant control cable

Fire resistant cable single core 300/500V features Mica tape twisted with copper conductor, the cable refers as Cu/MicaXLPE(PVC)/LSZH 300/500V  to basic standard BS7211. The function of mica is to prevent burning when cables catching fire. The cable can maintain the integrity of the electric circuit and continue to work for a period of time when exposed to fire. The sheath is compound material LSFH low smoking free holagen which has little smoking and no toxic gas emission which reduces the damage to the people and equipment. These cables we supplied are twisted two layers of mica tape with 80% overlap rate which achieves a good performance of fire resistance.


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Fire Resistant Single Core 300-500V Parameter

Nominal Cross Section Area

No./Nominal Diameter of Strands

Nominal Insulation Thickness

Nominal Sheath Thickness

Without Earth Conductor

mm²

No./mm

mm

mm

Nominal Overall Diameter 

mm

Approx. Weight kg/km

1.5

7/0.53

0.5

0.5

4.4

29

2.5

7/0.67

0.5

0.5

4.9

40

4

7/0.85

0.5

0.5

5.5

55


Description of Fire Resistant Single Core 300-500V

  • Rated voltage: 300/500V

  • Basic standard: BS 7211

  • Conductor: bare annealed copper wire, stranded wire to IEC(EN) 60228  class 2

  • Fire lyer: Mica glass tape

  • Insulation: PVC (XLPE)

  • Sheath: LSZH compound to BS 7655-6.1  

  • Operating temperature range (fixed state): -30°C – +90°C

  • Operating temperature range (mobile state): -20°C – +50°C

  • Min bending radius: 6 time of Overall Diameter

  • Insulation resistance:  20 MΩ x km (at 20°C)

  • Short circuit temperature:  250°C


Circuit Integrity

IEC 60331-21; BS 6387 CWZ; DIN VDE 0472-814(FE180);


CEI 20-36/2-1; SS229-1; NBN C 30-004 (cat. F3);


NF C32-070-2.3(CR1)

Flame Retardance (Single Vertical Wire Test)

EN 60332-1-2; IEC 60332-1-2; BS EN 60332-1-2;


VDE 0482-332-1 ; NBN C 30-004 (cat. F1); NF C32-070-2.1(C2);


CEI 20-35/1-2; EN 50265-2-1*; DIN VDE 0482-265-2-1*

Reduced Fire Propagation (Vertically-mounted bundled wires

EN 60332-3-24 (cat. C); IEC 60332-3-24; BS EN 60332-3-24; VDE 0482-332-3; NBN C 30-


004 (cat. F2); NF C32-070-2.2(C1); CEI 20-22/3-4; EN 50266-2-4*; DIN VDE 0482-266-2-4

Halogen Free

IEC 60754-1; EN 50267-2-1; DIN VDE 0482-267-2-1;


CEI 20-37/2-1 ; BS 6425-1*

No Corrosive Gas Emission

IEC 60754-2; EN 50267-2-2; DIN VDE 0482-267-2-2;


CEI 20-37/2-2 ; BS 6425-2*

Minimum Smoke Emission

IEC 61034-1&2; EN 61034 -1&2; DIN VDE 0482-1034-1&2;


CEI 20-37/3-1&2; EN 50268-1&2*; BS 7622-1&2*

No Toxic gases

NES 02-713; NF C 20-454



Application Of Fire Resistant Single Core 300-500V

The cables are designed for facilities where keeping and maintaining integrity of the electrical circuit is critical in power supply system.

The cables are widely used in underground tunnels, emergency lightings, fire alarm systems, control and power circuits, power stations, lifts, escalators, and high-rise buildings.



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