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BS EN 50288-7 Fire Resistant Multicore Instrumentation Cable, Overall Screened
Fire resistant multicore instrumentation cable with mica glass tape, XLPE insulation, an overall foil screen and LSZH sheath. BS EN 50288-7 design with separate 300V and 500V versions for industrial signal connections.
Fire Resistant Overall Screened Instrumentation Cables(Multicore).pdf Contact us
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APPLICATION

For industrial instrumentation and equipment interconnections requiring a fire resistant multicore design. Mica glass tape forms the fire barrier, while an overall foil screen surrounds the insulated cores. The unarmoured LSZH construction is intended for indoor installations, including damp areas.

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.
Outer SheathHalogen free flame retardant compound to EN 50290-2-27.
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 radius7.5 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)H...CI
No. of Core X Cross SectionClass of ConductorNominal Insulation ThicknessNominal Sheath ThicknessApprox. Overall DiameterApprox. Weight
mm²　mmmmmmkg/km
0.5mm²
2x0.520.40.97.465
3x0.520.40.97.879
4x0.520.40.98.595
5x0.520.40.99.3112
8x0.520.41.011.1164
10x0.520.41.013.0200
12x0.520.41.013.4226
14x0.520.41.014.1254
16x0.520.41.014.8283
20x0.520.41.116.3348
24x0.520.41.118.5412
27x0.520.41.119.0450
30x0.520.41.219.9503
37x0.520.41.221.4598
40x0.520.41.222.2639
0.75mm²
2x0.7520.40.97.773
3x0.7520.40.98.291
4x0.7520.40.98.9110
5x0.7520.41.09.9136
8x0.7520.41.011.7192
10x0.7520.41.113.9244
12x0.7520.41.114.3276
14x0.7520.41.115.1311
16x0.7520.41.115.9347
20x0.7520.41.217.4426
24x0.7520.41.320.0517
27x0.7520.41.320.5565
30x0.7520.41.321.2616
37x0.7520.41.322.9733
40x0.7520.41.424.0800
1.0mm²
2x1.020.40.98.284
3x1.020.40.98.6106
4x1.020.40.99.4129
5x1.020.40.910.3154
8x1.020.41.012.4229
10x1.020.41.014.5281
12x1.020.41.015.0322
14x1.020.41.015.8365
16x1.020.41.116.9419
20x1.020.41.218.5516
24x1.020.41.221.1612
27x1.020.41.221.6672
30x1.020.41.222.4735
37x1.020.41.324.4896
40x1.020.41.325.3960
1.5mm²
2x1.520.50.99.1104
3x1.520.50.99.6134
4x1.520.51.010.8172
5x1.520.51.011.8205
8x1.520.51.114.1306
10x1.520.51.116.6377
12x1.520.51.117.1433
14x1.520.51.218.3503
16x1.520.51.219.3564
20x1.520.51.321.1694
24x1.520.51.324.1824
27x1.520.51.424.8922
30x1.520.51.425.81009
37x1.520.51.427.91211
40x1.520.51.529.11317

500v

ConductorRE-2X(St)H...CI
No. of Core X Cross SectionClass of ConductorNominal Insulation ThicknessNominal Sheath ThicknessApprox. Overall DiameterApprox. Weight
mm²　mmmmmmkg/km
0.5mm²
2x0.520.60.98.274
3x0.520.60.98.791
4x0.520.60.99.5109
5x0.520.60.910.3129
8x0.520.61.012.4189
10x0.520.61.014.6231
12x0.520.61.115.2272
14x0.520.61.116.0305
16x0.520.61.116.9339
20x0.520.61.218.5416
24x0.520.61.221.1492
27x0.520.61.221.6537
30x0.520.61.322.6599
37x0.520.61.324.4711
40x0.520.61.325.4760
0.75mm²
2x0.7520.60.98.582
3x0.7520.60.99.0102
4x0.7520.60.99.9125
5x0.7520.61.011.0154
8x0.7520.61.013.0218
10x0.7520.61.015.3268
12x0.7520.61.015.8305
14x0.7520.61.116.8355
16x0.7520.61.117.8396
20x0.7520.61.219.5486
24x0.7520.61.322.4590
27x0.7520.61.322.9645
30x0.7520.61.323.8703
37x0.7520.61.425.9854
40x0.7520.61.426.9914
1.0mm²
2x1.020.60.99.093
3x1.020.60.99.5118
4x1.020.61.010.6151
5x1.020.61.011.6179
8x1.020.61.013.7257
10x1.020.61.116.3325
12x1.020.61.116.9372
14x1.020.61.117.8421
16x1.020.61.219.0482
20x1.020.61.220.5579
24x1.020.61.323.7702
27x1.020.61.324.2770
30x1.020.61.325.1841
37x1.020.61.427.41023
40x1.020.61.428.41096
1.5mm²
2x1.520.60.99.5109
3x1.520.61.010.3146
4x1.520.61.011.3180
5x1.520.61.012.3215
8x1.520.61.114.8322
10x1.520.61.217.6407
12x1.520.61.218.2466
14x1.520.61.219.2529
16x1.520.61.220.2592
20x1.520.61.322.1729
24x1.520.61.425.5881
27x1.520.61.426.1969
30x1.520.61.427.11060
37x1.520.61.529.51290
40x1.520.61.530.61383
2.5mm²
2x2.520.71.010.9150
3x2.520.71.011.6195
4x2.520.71.012.7243
5x2.520.71.114.2301
8x2.520.71.217.0452
10x2.520.71.320.3570
12x2.520.71.321.0657
14x2.520.71.322.1748
16x2.520.71.423.5854
20x2.520.71.425.51034
24x2.520.71.529.41248
27x2.520.71.630.31395
30x2.520.71.631.41528
37x2.520.71.734.21859
40x2.520.71.735.51995

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


KEY FEATURES

  • Copper conductors with mica glass tape and XLPE insulation.

  • Overall aluminium/polyester screen with a tinned copper drain wire.

  • Unarmoured construction with a low smoke zero halogen outer sheath.

SELECTION NOTES

Select the 300V or 500V version, core count, conductor area and conductor class to match the circuit and termination arrangement.

RELATED PRODUCTS

FREQUENTLY ASKED QUESTIONS

How is this multicore cable screened?

One aluminium/polyester foil screen surrounds the laid-up cores and contacts a 0.5 mm² tinned copper drain wire.

What provides the fire barrier?

Mica glass tape is included in the conductor insulation system.

What is the outer sheath material?

The standard outer sheath is a halogen-free flame-retardant compound.

Which voltage versions are offered?

Separate 300V and 500V constructions are listed, each with its own electrical and dimensional tables.

What bending radius applies?

The listed minimum bending radius is 7.5 times the overall cable diameter.

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