Product Overview
This Fire Resistant Tight Buffered Distribution Fiber Optic Cable is used for interconnection of distribution boxes and end devices, where continued functionality is required during a fire situation. The cables are very suitable for various indoor and outdoor applications, including routing between buildings within ducts and inside building up to riser shafts.
Standards:
-
Basic design to Telcordia GR409‑CORE
-
TIA/EIA 568B.3
-
ICEA‑S‑83‑596
Physical & Thermal Properties:
-
Temperature range during operation (fixed state): -20°C to +60°C
-
Temperature range during installation (mobile state): 0°C to +50°C
-
Minimum bending radius:
-
Unarmoured: 10 × outer diameter
-
Armoured: 20 × outer diameter
-
Voltage Rating: 60V
Specifications
| Property | Details |
|---|---|
| Voltage Level | Low Voltage (60V) |
| LSZH (Low Smoke Zero Halogen) | ✓ |
| Fire Resistance | ✓ (continued functionality during fire) |
| Application | Indoor/outdoor, ducts, riser shafts, between buildings |
Construction
-
Optical fibers: Singlemode and multimode tight fibers, with tight buffer coating.
-
Fire Barrier: The tight buffered fibers are wrapped with fire blocking fiber glass yarns.
-
Inner Sheath (optional): Thermoplastic LSZH compound.
-
Ripcord (optional): Located under the outer sheath to facilitate jacket removal.
-
Armouring (optional):
-
STA: Corrugated steel tape armour
-
SWB: Steel wire braid
-
-
Outer Sheath: Thermoplastic LSZH compound.
Technical Parameters – Construction Data
| Number of Fibers | Nominal Overall Diameter (mm) | Max Tensile Strength (N) | Minimum Bending Radius (mm) | Approx. Weight (kg/km) |
|---|---|---|---|---|
| 2 | 7.6 | 250 | 76 | 55 |
| 4 | 7.8 | 250 | 78 | 67 |
| 6 | 8.6 | 400 | 86 | 77 |
| 8 | 8.8 | 400 | 88 | 81 |
| 12 | 9.3 | 400 | 93 | 90 |