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.
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
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.
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 |