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  HomeProuductsFire Resistant Cable

BS EN 50288-7 Fire Resistant Overall Screened Instrumentation Cables (Multipair)

RE-2X(St)H...CI

Fire Resistant Overall Screened Instrumentation Cables (Multipair)

APPLICATION

The unarmoured LSZH sheathed Fire Resistant cables are generally used for indoor installation and suitable for wet and damp areas. Generally, the cables are used within industrial process manufacturing plants for communication, data and voice transmission signals and services. Also used for the interconnection of electrical equipment and instruments, the LSZH sheath can reduce toxic smoke and fume emission.

STANDARDS

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

FIRE PERFORMANCE

Circuit Integrity IEC 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
Halogen Free IEC 60754-1; EN 50267-2-1
No Corrosive Gas Emission IEC 60754-2; EN 50267-2-2
Minimum Smoke Emission IEC 61034-2; EN 61034-2

VOLTAGE RATING

300, 500V

CABLE CONSTRUCTION

Conductor: Plain or metal coated copper wire, solid, stranded or flexible according to IEC 60228 class 1, 2 and class 5.
Fire Barrier: Mica glass tape.
Insulation: Extruded XLPE compound according to EN 50290-2-29. LSZH, PE, PP compound can be offered as options.
Pairs: Two insulated conductors uniformly twisted together with a lay not exceeding 100mm (≤1.5mm2) or 150mm (for 2.5mm2).
Binder tape: PETP transparent tape.
Overall Screen: Aluminium/polyester tape is applied over the laid up pairs with metallic side down in contact with tinned copper drain wire, 0.5mm².
Outer Sheath: Thermoplastic 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 Option: UV resistance, hydrocarbon resistance, oil resistance, anti-rodent and anti-termite properties can be offered as option.

COLOUR CODE

Insulation Colour: Colours 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 sheath: Black. 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): 160°C
Minimum bending radius: 7.5 x Overall Diameter

Electrical Properties

300v

conductor area size mm2 0.5 0.75 1.0 1.5
Insulation thickness (nominal) mm 0.4 0.4 0.4 0.5
Insulation thickness (minimum) mm 0.26 0.26 0.26 0.35
conductor resistance (20°c) ohm/km 36.7 25.0 18.5 12.3
Minimum Insulation resistance (20°c) Mohm/km 1000
Maximum Mutual capacitance nf/km 250
capacitance Unbalance pf/500m 500
Maximum l/R (ratio) μH/Ω 25 25 25 40
operating Voltage V 300
Dielectric strength for 1 minute ac V ≥1000
Dc V ≥2000

500v

conductor area size mm2 0.5 0.75 1.0 1.5 2.5
Insulation thickness (nominal) mm 0.6 0.6 0.6 0.6 0.7
Insulation thickness (minimum) mm 0.44 0.44 0.44 0.44 0.53
conductor resistance (20°c) ohm/km 36.7 25.0 18.5 12.3 7.4
Minimum Insulation resistance (20°c) Mohm/km 1000
Maximum Mutual capacitance nf/km 250
capacitance Unbalance pf/500m 500
Maximum l/R (ratio) μH/Ω 25 25 25 40 60
operating Voltage V 500
Dielectric strength for 1 minute ac V ≥2000
Dc V ≥3000

CONSTRUCTION PARAMETERS

300V

conductor RE-2X(St)H...CI
no. of core X cross section class of conductor Nominal Insulation Thickness Nominal Sheath Thickness Nominal Overall Diameter Approx. Weight
mm2   mm mm mm kg/km
0.5mm2
1x2x0.5 2 0.6 0.9 7.4 65
2x2x0.5 2 0.4 0.9 10.8 110
3x2x0.5 2 0.4 1.0 11.7 146
4x2x0.5 2 0.4 1.0 12.9 177
5x2x0.5 2 0.4 1.1 14.3 218
8x2x0.5 2 0.4 1.1 17.0 310
10x2x0.5 2 0.4 1.1 20.0 380
12x2x0.5 2 0.4 1.2 20.9 446
16x2x0.5 2 0.4 1.2 23.3 560
20x2x0.5 2 0.4 1.3 25.5 687
24x2x0.5 2 0.4 1.3 29.3 815
0.75mm2
1x2x0.75 2 0.4 0.9 7.7 73
2x2x0.75 2 0.4 1.0 11.6 133
3x2x0.75 2 0.4 1.0 12.3 168
4x2x0.75 2 0.4 1.1 13.8 215
5x2x0.75 2 0.4 1.1 15.1 255
8x2x0.75 2 0.4 1.1 17.9 366
10x2x0.75 2 0.4 1.2 21.4 463
12x2x0.75 2 0.4 1.2 22.2 529
16x2x0.75 2 0.4 1.3 24.9 685
20x2x0.75 2 0.4 1.4 27.3 840
24x2x0.75 2 0.4 1.4 31.2 997
1.0mm2
1x2x1.0 2 0.6 0.9 8.2 84
2x2x1.0 2 0.4 1.0 12.3 155
3x2x1.0 2 0.4 1.1 13.3 206
4x2x1.0 2 0.4 1.1 14.6 254
5x2x1.0 2 0.4 1.1 16.0 303
8x2x1.0 2 0.4 1.2 19.3 452
10x2x1.0 2 0.4 1.2 22.8 557
12x2x1.0 2 0.4 1.3 23.8 654
16x2x1.0 2 0.4 1.4 26.7 847
20x2x1.0 2 0.4 1.4 29.0 1021
24x2x1.0 2 0.4 1.5 33.5 1234
1.5mm2
1x2x1.5 2 0.5 0.9 9.1 104
2x2x1.5 2 0.5 1.1 14.0 203
3x2x1.5 2 0.5 1.1 14.9 263
4x2x1.5 2 0.5 1.2 16.7 338
5x2x1.5 2 0.5 1.2 18.3 404
8x2x1.5 2 0.5 1.3 22.0 605
10x2x1.5 2 0.5 1.4 26.3 762
12x2x1.5 2 0.5 1.4 27.2 876
16x2x1.5 2 0.5 1.5 30.6 1137
20x2x1.5 2 0.5 1.6 33.4 1395
24x2x1.5 2 0.5 1.7 38.5 1683
Note: The parameters listed above are nominal values as per cable standards. Actual values may vary due to material and manufacturing process variations. For precise specifications or customized requirements, please contact us for further information.

500v
conductor RE-2X(St)H...CI
no. of core X cross section class of conductor Nominal Insulation Thickness Nominal Sheath Thickness Nominal Overall Diameter Approx. Weight
mm2   mm mm mm kg/km
0.5mm2
1x2x0.5 2 0.6 0.9 7.0 66
2x2x0.5 2 0.6 1.1 12.5 136
3x2x0.5 2 0.6 1.1 13.3 170
4x2x0.5 2 0.6 1.2 14.7 211
5x2x0.5 2 0.6 1.3 16.3 253
8x2x0.5 2 0.6 1.4 19.6 369
10x2x0.5 2 0.6 1.5 23.4 472
12x2x0.5 2 0.6 1.5 24.2 536
16x2x0.5 2 0.6 1.7 27.2 684
20x2x0.5 2 0.6 1.7 29.7 828
24x2x0.5 2 0.6 1.9 34.3 1014
0.75mm2
1x2x0.75 2 0.6 0.9 7.3 74
2x2x0.75 2 0.6 1.1 13.1 154
3x2x0.75 2 0.6 1.2 14.0 194
4x2x0.75 2 0.6 1.2 15.5 241
5x2x0.75 2 0.6 1.3 17.1 291
8x2x0.75 2 0.6 1.4 20.6 428
10x2x0.75 2 0.6 1.6 24.7 546
12x2x0.75 2 0.6 1.6 25.6 623
16x2x0.75 2 0.6 1.7 28.7 798
20x2x0.75 2 0.6 1.8 31.4 969
24x2x0.75 2 0.6 2.0 36.3 1186
1.0mm2
1x2x1.0 2 0.6 0.9 7.7 84
2x2x1.0 2 0.6 1.2 13.8 176
3x2x1.0 2 0.6 1.2 14.8 225
4x2x1.0 2 0.6 1.3 16.4 281
5x2x1.0 2 0.6 1.3 18.2 340
8x2x1.0 2 0.6 1.5 21.8 504
10x2x1.0 2 0.6 1.6 26.2 643
12x2x1.0 2 0.6 1.7 27.1 736
16x2x1.0 2 0.6 1.8 30.5 948
20x2x1.0 2 0.6 1.9 33.3 1153
24x2x1.0 2 0.6 2.1 38.5 1410
1.5mm2
1x2x1.5 2 0.6 1.0 8.2 98
2x2x1.5 2 0.6 1.2 14.8 208
3x2x1.5 2 0.6 1.2 15.8 269
4x2x1.5 2 0.6 1.3 17.5 338
5x2x1.5 2 0.6 1.4 19.4 411
8x2x1.5 2 0.6 1.5 23.4 614
10x2x1.5 2 0.6 1.7 28.1 784
12x2x1.5 2 0.6 1.7 29.1 902
16x2x1.5 2 0.6 1.9 32.7 1165
20x2x1.5 2 0.6 2.0 35.7 1422
24x2x1.5 2 0.6 2.2 41.4 1737
2.5mm2
1x2x2.5 2 0.7 1.0 9.2 131
2x2x2.5 2 0.7 1.3 17.0 279
3x2x2.5 2 0.7 1.3 18.2 366
4x2x2.5 2 0.7 1.4 20.2 465
5x2x2.5 2 0.7 1.5 22.4 568
8x2x2.5 2 0.7 1.7 27.1 857
10x2x2.5 2 0.7 1.9 32.5 1095
12x2x2.5 2 0.7 1.9 33.7 1264
16x2x2.5 2 0.7 2.1 37.9 1641
20x2x2.5 2 0.7 2.2 41.4 2010
24x2x2.5 2 0.7 2.4 47.9 2455
Note: The parameters listed above are nominal values as per cable standards. Actual values may vary due to material and manufacturing process variations. For precise specifications or customized requirements, please contact us for further information.