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Fire Resistant Power Cable BS6387

Fire performance cables maintain circuit integrity in a fire and so are suitable for fire detection, alarm and emergency lighting systems.

Cable Uses:

  • Fire Alarms
  • Fire Detection
  • Hospitals
  • Large Buildings
  • Railway Stations
  • Schools
  • Shopping Centres
  • Sprinkler Pumps

Fire Standards

Cables for power and control building services that are required to operate in the event of fire. Unless protected by other means, armoured cables are to be preferred for such applications. Cables should meet the fire resistance requirement of BS 6387 Category CWZ and low fire hazard requirements of BS EN 60332-1-2, BS EN 60332-3-24, BS EN 61034-2. They should produce less than 0.5% acidic gases when tested in accordance with BS EN 60754-1.  For more information, please visit Fire Standards

Cable construction
ConductorPlain annealed copper stranded circular (4 - 35mm²) or shaped (50 – 400mm²)conductor complying with BS EN 60228 Class 2
InsulationPrimary insulation: Mineral ceramic (Mica/Glass) fire resistant tape
Secondary insulation: 90°C cross – linked insulation
BeddingThermoplastic LSZH bedding compound
ArmourSingle layer of galvanised steel wires
SheathRobust thermoplastic LSZH sheath

General Standards

BS6387, Categories C, W & Z, Specification for performance requirements for cables required to maintain circuit integrity under fire conditions

IEC60331: Tests for electric cables under fire conditions – circuit integrity

BS EN 61034:2005: Measurement of smoke density of cables burned under defined conditions. Test procedure and requirements

BS6724: Electric cables. Thermosetting insulated, armoured cables for voltages of 600/1000V and 1900/3300V, having low emission of smoke and corrosive gases when affected by fire BS7846: Electric cables. 600/1000 V armoured fire-resistant cables having thermosetting insulation and low emission of smoke and corrosive gases when affected by fire

BS EN 50266:2001: Common test methods for cables under fire conditions. Test for vertical flame spread of vertically-mounted bunched wires or cables

Fire Resistance BS6387 Categories C, W & Z:

IEC60331: 750 deg C for 3 hours

Flame Propagation BS EN 50266 parts 1 and 3, IEC 60332-3, BS EN 60332:2004

Smoke Emission IEC 61034, BS EN 61034:2005

Corrosive Acid Gas BS EN 50267-2-1:1999, IEC 60754-1

Cable configuration
No of coresSize sq.mmInsulation thickness [mm]Diameter of armour wire [mm]Approx. diameter under armourOverall diameterWeight [kg/km]Max conductor resistance at 20°C [ohms/km]Current DC or single phase AC clipped direct [amps]Current rating DC or single phase AC free air ampsVolt drop DC mV/A/mVolt drop single phase AC [mV/A/m]
21.50.60.910.414.842012.127293131
22.50.70.911.513.85007.4136391919
240.70.912.617.25804.6149521212
260.70.913.818.46603.0862667.97.9
2100.70.915.720.58301.8385904.74.7
2160.71.2516.121.610001.151101152.92.9
2250.91.616.322.011000.7271461521.851.9
2350.91.618.42515500.5241801881.351.35
2501.01.620.627.418500.3872192280.981.0
2701.11.623.630.624500.2682792910.670.69
2951.12.026.734.733500.1933383540.490.52
21201.22.029.537.739000.1533924100.390.42
21501.42.532.540.946500.1244514720.310.35
21851.62.536.536.559500.09915155390.250.29
22401.72.540.650.673500.07546076360.1950.24
23001.82.544.955.187000.06016987320.1550.21
24002.02.550.060.6107500.04707878470.1200.19
31.50.60.910.915.542612.10.20232527
32.50.70.912.216.85407.410.35313316
340.70.913.4186404.610.57424410
360.70.914.719.37403.080.8653566.8
3100.71.2516.722.210801.831.473784.0
3160.71.2517.222.913101.152.294992.5
3250.91.620.627.218000.7273.61241311.65
3350.91.622.929.722000.5245.01541621.15
3501.01.623.430.224500.3877.11871970.87
3701.12.026.933.932000.26810.02382510.60
3951.12.030.538.744500.19313.62893040.45
31201.22.033.742.153000.15317.23353530.37
31501.42.537.647.267000.12421.43864060.30
31851.62.541.751.580800.099126.54414630.26
32401.72.546.656.899500.075434.35205460.21
33001.82.551.561.9120500.060142.95996280.185
34002.02.557.768.3148000.047057.26737280.165
41.50.60.911.916.552012.10.20232527
42.50.70.913.418.06207.410.35313316
440.70.914.819.47304.610.57424410
460.70.916.221.79903.080.8653566.8
4100.71.2518.624.112601.831.473784.0
4160.71.2519.124.816401.152.294992.5
4250.91.622.929.521500.7273.61241311.65
4350.91.625.532.326500.5245.01541621.15
4501.01.626.933.931000.3877.11871970.87
4701.12.031.439.644000.26810.02382510.60
4951.12.035.243.656500.19313.62893040.45
41201.22.539.449.072500.15317.23353530.37
41501.42.543.553.385500.12421.43864060.30
41851.62.548.385.8103000.099126.54414630.26
42401.72.554.564.9129000.075434.35205460.21
43001.82.559.970.7155500.060142.95996280.185
44002.03.1567.380.0202500.047057.26737280.165
51.50.60.9-11.024012.1038313131
52.50.70.9-12.03007.4149411919
540.70.9-13.03604.6165551212
560.70.9-14.04403.0881707.907.90
5100.70.9-16.05801.83109954.704.70
5160.70.9-19.08601.151411262.902.90
5250.91.25-22.010500.7271831641.851.90
5350.91.6-26.014500.5242192021.351.35
5501.01.6-25.017000.3872592440.981.00
5701.11.6-28.022500.2683173060.670.69
5951.12.0-32.030500.1933813780.490.52
51201.22.0-35.036500.1534334370.390.42
51501.42.0-39.043500.1244854990.310.35
51851.62.5-44.056500.09915475760.250.29
52401.72.5-47.069500.07546326800.1950.24
53001.82.5-52.083500.06017087750.1550.21
54002.02.5-58.0110300.04707998920.1200.190
71.50.60.9-16.252012.127293131
72.50.70.9-18.06507.4136391919
121.50.60.9-20.986012.127293131
122.50.70.9-24.411307.4136391919
191.50.60.9-24.1113012.127293131
192.50.70.9-29.217107.4136391919

Accessories are available upon request, please contact a member of our sales team 0121 508 6890

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Fire Alarm & Emergency Standard 300/500V

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SR 114H – 300/500 V (solid)

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Fire Alarm & Emergency Enhanced 300/500V

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SR 114E – 300/500 V (solid)

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Fire Resistant LAN 300/500V

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FIRE RESISTANT LAN CABLE

Cat 5e STP

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Data Enhanced 300/500V

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Data Enhanced 300/500 V

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Mineral Insulated Fire Performance

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FIRECEL MI are intended to be installed in critical safety circuits which are used to operate under fire conditions in severe applications where the mechanical cables performances are primarily required.

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Fibre Optic Fire Performance

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SLO-000-**-M1-A1-FR
SLO-000-**-M1-A3-FR
SLO-000-**-M1-A5-FR
SLO-000-**-M1-A7-FR

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Single Core Fire Performance 450/750V

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SR 112 – Single Core Mica/XLPE Insulation
SR 112X – Twin Core Mica/XLPE Insulation
R-mXLSZH 450/750 V (600/1000 V for protected installation)

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Fire Performance Mains Cable Standard 600/1000V

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Fire performance cables maintain circuit integrity in a fire and so are suitable for fire detection, alarm and emergency lighting systems.

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Fire Performance Mains Cable Enhanced 600/1000V

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BS7846 – F120 (Enhanced)

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