F5 QFCB Applications
These steel armoured optical fibre cables are flame retardant, low smoke, halogen free and fire resistant, used for communication and emergency systems that need to be operational during fire.
F5 QFCB Standards
| IEC 60794 | IEC 60811-2-1 |
| IIEC 60331-25 | IEC 60332-3-24 |
| IEC 60332-3-22 | IEC 60754-1,2 |
| IEC 61034-1,2 | NEK 606:2004 |
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F5 QFCB Construction
- Fibre 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.
F5 QFCB Electrical Characteristics
| Fibre Type | 9/125 | 50/125 | 50/125 | 62.5/125 | |
| ITU-T type | G652.D | G651 | G651 | – | |
| IEC11801 Classification | OS1 & OS2 | OM2 | OM3 | OM1 | |
| Core Diameter | μm | 8.7±0.4 | 50±3.0 | 50±3.0 | 62.5±3.0 |
| Cladding Diameter | μm | 125 ±1.0 | 125 ±2.0 | 125 ±2.0 | 125 ±2.0 |
| Coating Diameter | μm | 245 ±10 | 245 ±10 | 245 ±10 | 245 ±10 |
| Maximum Attenuation | |||||
| @850 nm | dB/km | – | 3.0 | 3.0 | 3.5 |
| @1300 nm | dB/km | – | 1.5 | 1.0 | 1.5 |
| @1310 nm | dB/km | 0.36 | – | – | – |
| @1550 nm | dB/km | 0.22 | – | – | – |
| Minimum Bandwidth(OFL*) | |||||
| @850 nm | MHz.km | – | 500 | 1500 | 200 |
| @1300 nm | MHz.km | – | 500 | 500 | 600 |
| Maximum Chromatic Dispersion | |||||
| 1285-1330 nm | ps/nm⋅km | 2.8 | – | – | – |
| 1550 nm | ps/nm⋅km | 18 | – | – | – |
| Zero Dispersion Wavelength | nm | 1300~1324 | – | – | – |
Mechanical and Thermal Properties
- Bending Radius : 20×OD (during installation); 10×OD (fixed installed).
- Temperature Range : -40℃ ~ +70℃.
F5 QFCB Dimensions and Weight
| No. of Fibres | Construction No. of tubes×No. of fibres in each tube | Number of Fillers | Nominal Loose Tube Diameter mm | Nominal Overall Diameter mm | Nominal Weight kg/km |
| 2 | 1×2 | 5 | 2.2 | 15.0 | 290 |
| 4 | 1×4 | 5 | 2.2 | 15.0 | 290 |
| 6 | 3×2 | 3 | 2.2 | 15.0 | 290 |
| 8 | 2×4 | 4 | 2.2 | 15.0 | 290 |
| 10 | 5×2 | 1 | 2.2 | 15.0 | 290 |
| 12 | 3×4 | 3 | 2.2 | 15.0 | 290 |
| 16 | 4×4 | 2 | 2.2 | 15.0 | 290 |
| 20 | 5×4 | 1 | 2.2 | 15.0 | 290 |
| 24 | 6×4 | 0 | 2.2 | 15.0 | 290 |
| 32 | 4×8 | 2 | 2.2 | 15.0 | 290 |
| 40 | 5×8 | 1 | 2.2 | 15.0 | 290 |
| 48 | 6×8 | 0 | 2.2 | 15.0 | 290 |
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MRE-2X(St)HCH 150/250V XLPE Insulated, LSOH (SHF1) Sheathed, Overall Screened & Armoured Flame RetardantInstrumentation & Control Cables (Multipair/Multitriple) GalleryMRE-2X(St)HCH 150/250V XLPE Insulated, LSOH (SHF1) Sheathed, Overall Screened & Armoured Flame RetardantInstrumentation & Control Cables (Multipair/Multitriple)
