F5 QFCB armoured & fire resistant optical fibre cables NEK606Applications :These steel armoured optical fibre cables are flame retardant,Website: , low smoke, halogen free and fire resistant, used for communication and emergency systems that need to be operational during fire.Standards :IEC 60794IEC 60811-2-1IEC 60331-25IEC 60332-3-24IEC 60332-3-22IEC 60754-1,2IEC 61034-1,2NEK 606:2004Fibre Element :Loose tube core design.Central Strength Element :Steel wire or fibre reinforced plastic (FRP).Bedding :Halogen free and flame retardant thermoplastic compound.Armour :Galvanized steel wire braid.Outer Sheath1 :Halogen free and flame retardant, UV-stabilized, thermoplastic compound, SHF1.Outer Sheath2 :Mud resistant and halogen-free thermoplastic compound.Electrical Characteristics :Fibre Type9/12550/12550/12562.5/125ITU-T typeG652.DG651G651-IEC11801 ClassificationOS1 & OS2OM2OM3OM1Core Diameterμm8.7±0.450±3.050±3.062.5±3.0Cladding Diameterμm125 ±1.0125 ±2.0125 ±2.0125 ±2.0Coating Diameterμm245 ±10245 ±10245 ±10245 ±10Maximum Attenuation@850 nmdB/km-3.03.03.5@1300 nmdB/km-1.51.01.5@1310 nmdB/km0.36---@1550 nmdB/km0.22---Minimum Bandwidth(OFL*)@850 nmMHz.km-5001500200@1300 nmMHz.km-500500600Maximum Chromatic Dispersion1285-1330 nmps/nm⋅km2.8---1550 nmps/nm⋅km18---Zero Dispersion Wavelengthnm1300~1324---Mechanical and Thermal Properties :Bending Radius : 20×OD (during installation); 10×OD (fixed installed).Temperature Range : -40℃ ~ +70℃.Dimensions and Weight :No. of FibresConstruction No. of tubes×No. of fibres in each tubeNumber of FillersNominal Loose Tube DiametermmNominal Overall DiametermmNominal Weightkg/km21×252.215.029041×452.215.029063×232.215.029082×442.215.0290105×212.215.0290123×432.215.0290164×422.215.0290205×412.215.0290246×402.215.0290324×822.215.0290405×812.215.0290486×802.215.0290