Draka - Product catalogue - Firetuf FTL-SIFER - London Underground Fire Resistant Single Core Cable

Firetuf FTL-SIFER -   London Underground Fire Resistant Single Core Cable Firetuf FT L-Sifer is a fire resistant, zero halogen and low smoke (OHLS®) single core cable designed to maintain circuit integrity during a fire and  is  approved by LUL for above and below ground use. L-Sifer is ideally suited to drawing into conduit or trunking installations that provide adequate  mechanical protection and it forms the key part of a wiring system for evacuation and fire fighting applications.  Construction   Conductors: Stranded plain annealed copper wire (class 2) to BS EN 60228 Insulation: Comprises mica-glass fire resistant tape covered by an extruded layer  of cross-linked Zero Halogen, Low Smoke (OHLS®) compound Physical Characteristics Voltage rating (Uo/U) : 600/1000V Operating temp: -25°C to +90°C (the cable should not be installed when either the ambient or cable  temperature is below 0°C) Min, bending radius: 8 x overall diameter of cable Current rating: Refer to tables 4E1A & 4E1B in BS7671 Performance characteristics General performance: Complies with LU specification 1-085 Circuit integrity: BS 6387 categories C, W and Z (when tested in steel conduit). Exceeds IEC 60331-21  3 hours at 750°C (test temperature is increased  to 950°C, equivalent to BS 6387 category C) Flame propagation: LU 1-085 BS EN 60332-1-2 BS EN 60332-3- Smoke emission:  LU 1-085 BS EN 61034-2 Acid gas emission: LU 1-085 BS EN 50267-2-1 In accordance with LU 1-085 A range of insulation colours are available including green/yellow

Single core L-SIFER Prysmian Group, Chickenhall Lane, Eastleigh, SO50 6YU Sales Telephone 01332 345431 Dr ak aFTLSIFER18 112013 www.drakauk.com Nominal  area of  conductor  mm² Insulation  thickness mm Mean  diameter  (upper limit) mm Approx.  weight of  cable kg/km Maximum  conductor  resistance @  20°C Ω /km 1.5 0.7 3.6 30 12.10 2.5 0.8 4.3 40 7.41 4 0.8 4.8 55 4.61 6 0.8 5.4 80 3.08 10 1.0 6.8 125 1.83 16 1.0 7.6 180 1.15 25 1.2 9.3 280 0.727 35 1.2 10.4 370 0.524 50 1.4 12.1 505 0.387 70 1.4 13.7 700 0.268 95 1.6 15.7 960 0.193 120 1.6 17.1 1185 0.153 150 1.8 19.0 1465 0.124