S4 Or S4/S8 BFOU(c) 250V NEK606 Cable

S4 or S4/S8 BFOU(c) 250V Armour& Collective Shielding fire resistant NEK606 Instrumentation cableApplications :These cables are fire resistant, flame retardant, low smoke, halogen free and mud resistant, used for instrumentation, communication, control and alarm systems.Standards :IEC 60092-376IEC 60092-351IEC 60092-359IEC 60332-1IEC 60332-3-22IEC 60754-1,2IEC 61034-1,2NEK 606:2004Conductors :Circular tinned annealed stranded copper wire to IEC 60228 class 2.Insulation :Mica tape + Halogen free EPR compound.Twinning :Colour coded cores twisted together.Collective Shielding :Pairs/triples are layed up and collectively screened by copper backed polyester tape in contact with a stranded tinned copper drain wire.      Pairs/triples are numbered with numbered tape or by numbers printed directly on the insulated conductors.Bedding :Halogen free compound.Armour :Tinned copper wire braid.Outer Sheath :Halogen free thermosetting compound, SHF2 (for TYPE S4). Halogen free MUD resistant thermosetting compound, SHF MUD (for TYPE S4/S8), coloured grey (blue for intrinsically safe).Electrical Characteristics :      Nominal Cross Section Areamm²0.751.01.52.5Nominal Conductor Diametermm1.11.31.62.0Maximum Resistant@20℃Ω/km26.319.312.98.02Mutual CapacitancenF/km75808595Nominal Inductance@1KHzMH/km0.7270.6860.6670.623Maximum L/R@1KHzμH/Ω20253555Operating VoltageV250250250250Mechanical and Thermal Properties : Bending Radius : 8×OD (during installation); 6×OD (fixed installed). Temperature Range : -20℃ ~ +90℃. Dimensions and Weight :Construction No. of elements×No. of cores in element×Cross section (mm²)Nominal Insulation Thickness mmNominal Sheath Thickness mmNominal Overall Diameter mmNominal Weight