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HALOGEN-FREE FIRE RESISTANT (CI) INSTRUMENTATION CABLES, EN 50288-7SINGLE & MULTI-PAIR, SILICONE INSULATED, COLLECTIVE SCREENED, HFFR SHEATHED These cables are used for transmission of analoge and digital signals in instrument and control systems at chemistry and petrochemistry industry plants, power plants, natural gas and petroluem plants, etc... These cables are used on the basis of a fixed operating mode, can continue with the supply of a power under the existing fire conditions and in the environments which have no corrosive gases are emitted in the event of fire. In case of fire, these cables inhibit the propagation of the flames whereby the development of smoke is extremely low. Instrumentation cables are not allowed for direct connection to a low impedance sources, e.g. public mains electricity supply. With blue sheath it is suitable for intrinsically safe systems. These cables are not recommended for direct burial. They are for indoor and outdoor installation, in dry and wet locations; on racks, trays, in conduits. Sheath colour: RAL 9005, Black or RAL 5015, Blue Conductor: Plain copper wire, stranded, IEC 60228 Sınıf 2, TS/DIN EN 60228 Sınıf 2 Insulation: Special silicone rubber compound Core identification: Black / Blue cores numbered 1-1, 2-2,…, Upon request ; Colour coded according to IEC 60189-2, Other core configurations manufactured upon request. Pair: Two conductors twisted to a pair Lay-up: Pairs laid up in layers of optimum pitch Separator: Polyester tape Screen: AL-PES tape over stranded tinned copper drain, wire 0,50 mm2 Outer sheath: HFFR compound, EN 50290-2-27 L / R (ratio) (max.): 0,50mm2 : 25 µH/Ω, 0,75mm2 : 25 µH/Ω, 1,0mm2 : 25 µH/Ω1,30mm2 : 40 µH/Ω, 1,5mm2 : 40 µH/Ω Standard: TS/DIN EN 50288-7, (Designed according to) Conductor resistance: 0,50mm2 : 36,7 Ω/km, 0,75mm2 : 25,0 Ω/km, 1,0mm2 : 18,5 Ω/km, 1,3mm2 : 14,2 Ω/km, 1,5mm2 : 12,3 Ω/km Insulation resistance: Min. 5000 MΩ.km Capacitance unbalance: (1 kHz) : max. 500 pF/500 m Rated voltage: 500V Test voltage: Urms core-core : 2000 V, Urms core-screen : 2000 V Temperature range: operation : - 30 oC ~ + 90 oC, ınstallation : - 5 oC ~ + 50 oC Min. bending radius: 7,5 x D Halogen-free properties test: IEC60754-1/2 & TS/DIN EN 50267-2 Circuit integrity (CI): IEC 60331 , VDE 0472-814, BS 6387 Cat. CWZ Flame test: IEC 60332-1 & TS/DIN EN 60332-1, IEC 60332-3 & TS/DIN EN 50266-2-4 Smoke density test: IEC 61034-2 & TS/DIN EN 61034-2