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BS EN 50288-7 Fire Resistant Multicore Instrumentation Cable, Overall Screened, SWA
Armoured fire resistant multicore instrumentation cable with mica glass tape, XLPE insulation, an overall foil screen and LSZH sheaths. Galvanised steel wire armour provides mechanical protection. Separate 300V and 500V versions.
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APPLICATION

For industrial instrument and equipment connections where mechanical protection and a fire resistant design are specified. This multicore cable combines mica glass tape, an overall foil screen, LSZH sheaths and galvanised steel wire armour.

STANDARDS

Basic design to BS EN 50288-7 (formerly BS 5308)

FIRE PERFORMANCE

Circuit IntegrityIEC 60331-21; BS 6387 CWZ (Optional); BS EN 50200 (PH30/PH60/PH120)
Flame Retardance (Single Vertical Wire or cable test)IEC 60332-1-2; EN 60332-1-2
Reduced Fire Propagation (Vertically-mounted bundled wires & cables test)IEC 60332-3-24; EN 60332-3-24
Halogen FreeIEC 60754-1; EN 50267-2-1
No Corrosive Gas EmissionIEC 60754-2; EN 50267-2-2
Minimum Smoke EmissionIEC 61034-2; EN 61034-2

VOLTAGE RATING

300, 500V

CABLE CONSTRUCTION

ConductorPlain or metal coated copper wire, solid, stranded or flexible according to IEC 60228 class 1, 2 and class 5.
Fire BarrierMica glass tape.
InsulationExtruded XLPE compound according to EN 50290-2-29. LSZH, PE, PP compound can be offered as options.
Overall ScreenAluminium/polyester tape is applied over the laid up cores with metallic side down in contact with tinned copper drain wire, 0.5mm². Copper braid screen or aluminium/polyester tape combination with copper braid screen can be offered as option.
Inner SheathThermoplastic LSZH compound.
ArmouringGalvanised steel wire.
Outer SheathThermoplastic LSZH compound type LTS3 as per BS 7655-6.1 (Thermosetting LSZH compound type SW2-SW4 as per BS 7655-2.6 can be offered).
Outer Sheath OptionUV resistance, hydrocarbon resistance, oil resistance, anti-rodent and anti-termite properties can be offered as option.

COLOUR CODE

Insulation ColourColours and/or additional ring markings and/or symbols achieved by the use of coloured insulation or by a coloured surface using extrusion, printing or painting.
Outer SheathBlack. Other colours can be offered upon request.

PHYSICAL AND THERMAL PROPERTIES

Temperature range during operation-30°C - +90°C
Temperature range fixed installation-5°C - +50°C
Maximum short circuit temperature (5 Seconds)250°C
Minimum bending radius10 x Overall Diameter

ELECTRICAL PROPERTIES

300V

Conductor area sizemm²0.50.751.01.5
Insulation thickness (Nominal)mm0.40.40.40.5
Insulation thickness (Minimum)mm0.260.260.260.35
Conductor resistance (20°C)ohm/km36.725.018.512.3
Minimum Insulation resistance (20°C)Mohm/km1000
Maximum Mutual capacitancenf/km250
Capacitance Unbalancepf/500m500
Maximum l/R (ratio)μH/Ω25252540
Operating VoltageV300
Dielectric strength for 1 minuteACV≥1000
DCV≥2000

500v

Conductor area sizemm²0.50.751.01.52.5
Insulation thickness (nominal)mm0.60.60.60.60.7
Insulation thickness (minimum)mm0.440.440.440.440.53
Conductor resistance (20°C)ohm/km36.725.018.512.37.4
Minimum Insulation resistance (20°C)Mohm/km1000
Maximum Mutual capacitancenf/km250
Capacitance Unbalancepf/500m500
Maximum l/R (ratio)μH/Ω2525254060
Operating VoltageV500
Dielectric strength for 1 minuteACV≥2000
DCV≥3000

CONSTRUCTION PARAMETERS

300V

ConductorRE-2X(St)HSWAH...CI
No. of Core X Cross SectionClass of ConductorNominal Insulation ThicknessNominal Inner Sheath
Thickness		Nominal Armour Wire DiameterNominal Outer Sheath ThicknessApprox. Overall DiameterApprox. Weight
mm²　mmmmmmmmmmkg/km
0.5mm²
2x0.520.40.90.91.311.8287
3x0.520.40.90.91.312.2312
4x0.520.40.90.91.312.9346
5x0.520.40.90.91.313.7383
8x0.520.41.00.91.415.7491
10x0.520.41.00.91.417.6579
12x0.520.41.00.91.418.0616
14x0.520.41.00.91.418.7663
16x0.520.41.00.91.419.4713
20x0.520.41.11.251.521.8960
24x0.520.41.11.251.524.01103
27x0.520.41.11.251.524.51155
30x0.520.41.21.251.525.41239
37x0.520.41.21.251.627.11403
40x0.520.41.21.251.627.91474
0.75mm²
2x0.7520.40.90.91.312.1304
3x0.7520.40.90.91.312.6333
4x0.7520.40.90.91.413.5380
5x0.7520.41.00.91.414.5433
8x0.7520.41.00.91.416.3536
10x0.7520.41.10.91.518.7657
12x0.7520.41.10.91.519.1702
14x0.7520.41.10.91.519.9758
16x0.7520.41.11.251.521.4945
20x0.7520.41.21.251.623.11089
24x0.7520.41.31.251.625.71273
27x0.7520.41.31.251.626.21337
30x0.7520.41.31.251.626.91414
37x0.7520.41.31.251.728.81607
40x0.7520.41.41.251.729.91712
1.0mm²
2x1.020.40.90.91.312.6326
3x1.020.40.90.91.313.0360
4x1.020.40.90.91.414.0413
5x1.020.40.90.91.415.0461
8x1.020.41.00.91.417.0591
10x1.020.41.00.91.519.3713
12x1.020.41.00.91.519.8767
14x1.020.41.01.251.521.3960
16x1.020.41.11.251.522.41052
20x1.020.41.21.251.523.01204
24x1.020.41.21.251.626.81406
27x1.020.41.21.251.627.31483
30x1.020.41.21.251.628.11574
37x1.020.41.31.251.730.31823
40x1.020.41.31.601.731.92121
1.5mm²
2x1.520.50.90.91.413.7379
3x1.520.50.90.91.414.2423
4x1.520.51.00.91.415.4491
5x1.520.51.00.91.416.4552
8x1.520.51.10.91.518.9727
10x1.520.51.11.251.522.11000
12x1.520.51.11.251.522.61075
14x1.520.51.21.251.523.81184
16x1.520.51.21.251.625.01294
20x1.520.51.31.251.626.81488
24x1.520.51.31.251.730.01741
27x1.520.51.41.251.730.71866
30x1.520.51.41.61.732.42191
37x1.520.51.41.61.834.72502
40x1.520.51.51.61.835.92663

500v

ConductorRE-2X(St)HSWAH...CI
No. of Core X Cross SectionClass of ConductorNominal Insulation ThicknessNominal Inner Sheath ThicknessNominal Armour Wire DiameterNominal Outer Sheath ThicknessApprox. Overall DiameterApprox. Weight
mm²　mmmmmmmmmmkg/km
0.5mm²
2x0.520.60.90.91.312.6317
3x0.520.60.90.91.313.1346
4x0.520.60.90.91.414.1393
5x0.520.60.90.91.414.9437
8x0.520.61.00.91.417.0553
10x0.520.61.00.91.519.4664
12x0.520.61.10.91.520.0723
14x0.520.61.11.251.521.5908
16x0.520.61.11.251.522.4973
20x0.520.61.21.251.524.01106
24x0.520.61.21.251.626.81288
27x0.520.61.21.251.627.31350
30x0.520.61.31.251.628.31447
37x0.520.61.31.251.630.11623
40x0.520.61.31.61.732.01925
0.75mm²
2x0.7520.60.90.91.312.9335
3x0.7520.60.90.91.313.4368
4x0.7520.60.90.91.414.5420
5x0.7520.61.00.91.415.6481
8x0.7520.61.00.91.417.6598
10x0.7520.61.00.91.520.1720
12x0.7520.61.01.251.521.3900
14x0.7520.61.11.251.522.3986
16x0.7520.61.11.251.523.31059
20x0.7520.61.21.251.625.21222
24x0.7520.61.31.251.628.11431
27x0.7520.61.31.251.628.61504
30x0.7520.61.31.251.629.51592
37x0.7520.61.41.61.732.52041
40x0.7520.61.41.61.733.52143
1.0mm²
2x1.020.60.90.91.313.4357
3x1.020.60.90.91.414.1403
4x1.020.61.00.91.415.2466
5x1.020.61.00.91.416.2521
8x1.020.61.00.91.418.3655
10x1.020.61.11.251.521.8939
12x1.020.61.11.251.522.41003
14x1.020.61.11.251.523.31084
16x1.020.61.21.251.624.71200
20x1.020.61.21.251.626.31353
24x1.020.61.31.251.629.41587
27x1.020.61.31.251.730.11691
30x1.020.61.31.61.731.71995
37x1.020.61.41.61.734.02274
40x1.020.61.41.61.835.22411
1.5mm²
2x1.520.60.90.91.314.1394
3x1.520.61.00.91.414.9453
4x1.520.61.00.91.415.9513
5x1.520.61.00.91.417.0577
8x1.520.61.10.91.519.6760
10x1.520.61.21.251.523.11064
12x1.520.61.21.251.623.91157
14x1.520.61.21.251.624.91254
16x1.520.61.21.251.625.91355
20x1.520.61.31.251.728.01575
24x1.520.61.41.61.732.12052
27x1.520.61.41.61.732.72164
30x1.520.61.41.61.833.92316
37x1.520.61.51.61.836.32651
40x1.520.61.51.61.837.32793
2.5mm²
2x2.520.71.00.91.415.5474
3x2.520.71.00.91.416.2537
4x2.520.71.00.91.417.3616
5x2.520.71.10.91.519.0723
8x2.520.71.21.251.522.51090
10x2.520.71.31.251.626.01336
12x2.520.71.31.251.626.71446
14x2.520.71.31.251.728.01593
16x2.520.71.41.251.729.41751
20x2.520.71.41.61.832.32223
24x2.520.71.51.61.836.22608
27x2.520.71.61.61.937.32814
30x2.520.71.61.61.938.42998
37x2.520.71.71.61.941.23451
40x2.520.71.71.62.042.73670

Note: Other conductor sizes & core configurations are available upon request.


KEY FEATURES

  • Mica glass tape fire barrier and XLPE insulation.

  • Overall foil screen and tinned copper drain wire.

  • Steel wire armour between LSZH inner and outer sheaths.

SELECTION NOTES

Specify voltage version, core count, conductor area and class, plus the required cable length.

RELATED PRODUCTS

FREQUENTLY ASKED QUESTIONS

What type of armour is used?

Galvanised steel wire armour surrounds the inner sheath.

How are the cores screened?

An overall aluminium/polyester foil screen surrounds the laid-up cores.

What provides the fire barrier?

Mica glass tape is used with the insulated copper conductors.

Which voltage versions are listed?

300V and 500V versions have separate electrical and dimensional tables.

What is the minimum bending radius?

Use 10 times the overall cable diameter as the listed minimum.

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