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BS 7846

Enhanced Electron Beam Cross Linked Unarmoured Fire Resistant Cables – FRX 100+

  • Metro Rail, Airport, Schools, Shopping malls, Cinemas, High-rise Buildings and fire prone areas.
  • Indoor and Outdoor uses.

  • Conductor : Plain annealed Copper solid or stranded circular conductor complying with BS 6360 class 5
  • Tape : Mica
  • Insulation : EBXL-XLPE
  • Outer Sheath : EBXL-ZHLS

  • Temperature Range : -15°C to +120°C
  • Rated Voltage (Uo/U) : 600/1000V
  • Test Voltage : 3.5kV/5 min
  • Bending Radius : Upto 8 of Cable X OD
  • Specification : Generally BS 7846 & BS 6387

  • Flammability : IEC 60332-1 & IEC 60332-3 Categories A, B & C
  • Resistance to Fire : CWZ of BS : 6387, IEC 60331 & F-2 of BS : 7846
  • Smoke Emission : IEC 61034 –  2
  • Acid Gas Content : IEC 60754 -1 & 2, BS EN 50267 – 1 & 2
  • Special Features :
  • a) Maintains Circuit Integrity for 3 hours under fire condition.
  • b) Zero Halogen, Low Smoke and Resistance to flame propagation.
  • c) Siechem FRX 100+ meets BS 7846 Cat F2 and meets Test requirements as per BS 6387 CWZ, at an enhanced voltage of 600/1000V.
  • d) Siechem FRX 100+ also meets 60 minute rating (PH60) to BS EN 50200 and a 30 minute rating to BS 8434-1. These tests demonstrate that FRX 100+ also meets the requirements for use in “Standard” installations in accordance with BS 5839-1 : 2002 for fire detection and alarm systems, and Cables with inherently high resistance to attack by fire in accordance with BS 5266-1 : 2005 for emergency lighting.

Part Number Area Approximate Overall Diameter Approximate Cable Weight Maximum Conductor Resistance at 20°C Current Rating for 120°C Operating Temperature (Calculated for 40°C Ambient Air Temperature) Voltage Drop DC Voltage Drop Single Phase AC Short Circuit Rating (1 sec) of Conductor
Direct in Ground In Duct In Air
mm2 mm Kg/km Ohms/km Amps Amps Amps mV/A/m mV/A/m KA
Single Core
71813XXYY* 1.5 5.6 50 13.3 35 31 29 31 31 0.21
71816XXYY 2.5 6.2 66 7.98 47 40 39 19 19 0.36
71819XXYY 4 6.8 85 4.95 60 53 52 12 12 0.57
71823XXYY 6 7.4 110 3.30 74 66 66 7.9 7.9 0.86
71827XXYY 10 8.8 170 1.91 95 88 92 4.7 4.7 1.42
71828XXYY 16 10.0 237 1.21 126 113 124 2.9 2.9 2.27
71830XXYY 25 11.8 352 0.78 172 146 169 1.85 1.9 3.37
71832XXYY 35 13.2 464 0.554 203 173 200 1.35 1.35 5.00
71834XXYY 50 15.2 644 0.386 242 204 259 0.99 1.05 7.15
71837XXYY 70 17.1 862 0.272 290 250 320 0.68 0.75 10.00
71838XXYY 95 19.3 1144 0.206 343 299 386 0.49 0.58 13.57
71841XXYY 120 19.9 1398 0.161 389 338 437 0.39 0.48 17.15
71842XXYY 150 23.3 1740 0.129 437 381 501 0.32 0.43 21.45
71844XXYY 185 25.9 2148 0.106 476 428 582 0.25 0.37 26.45
71846XXYY 240 29.1 2750 0.0801 539 498 663 0.19 0.33 34.32
71848XXYY 300 30.9 3367 0.0641 585 560 741 0.155 0.31 42.92
71849XXYY 400 35.1 4415 0.0486 624 637 858 0.120 0.29 57.22
71850XXYY 500 38.8 5480 0.0384 672 715 923 0.093 0.28 71.52

 

Note : XX* & YY* : Please add last two digits in the part number as per the colour code given hereunder replacing XX & YY while ordering
Red – 01 Yellow – 02 Blue – 03 Black – 04 Green – 05 Yellow-Green – 06 Grey – 07 Brown – 08 White – 09 Orange – 10 Violet – 11
Chocolate – 12 Tan – 13 Charcoal – 14 LT Blue – 15 DK Grey – 16 LT Green – 17 DK Green – 18 DK Blue – 19 Purple – 20 Pink – 21

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