The cables are designed for RS485 data connections. This cable combines low capacitance insulation with one of the highest levels of screening to provide high speed, interference free, data transmission where continued functionality is required during a fire situation.
| Basic design | EIA/TIA 485 |
| Halogen Free | IEC 60754-1 |
| No corrosive gas emission | IEC 60754-2 |
| Minimum Smoke Emission | IEC 61034-1/2 |
| Reduced Fire Propagation | IEC 60332-3C / NF C 32070-2.2 (C1) |
| Flame Retardance | IEC 60332-1 / NF C 32-070-2.1 (C2) |
| Fire Resistance | IEC 60331-23 / NF C 32-070-2.3(CR1) |
Conductors : tinned annealed copper wire, stranded according to IEC(EN) 60228 class 2 or class 5.
Insulation : Solid or foam PE compound
Cabling Elements : Insulated cores are twisted to form pairs with varying lay length tominimize crosstalk.
Overall screen : Aluminum/ polyester tape with tinned copper drain wire.
Fire Barrier : Fireproof Tape
Outer Sheath: Thermoplastic LSZH compound type LTS3 as per BS 7655-6.1.
| Dielectric test | 1000 V r.m.s. for 5’ (core-core) |
| 1000 V r.m.s. for 5’ (core-screen) | |
| Impedance | 120Ω |
| Capacitance | 45 nF/km conductor to conductor |
| 90 nF/km conductor to shield |
| No.of pair × | Wire Gange | Number & Nominal Diameter of Strands | Nominal Insulation Thickness | Nominal Sheath Thickness | Nominal Overall Diameter | Approx. Weight |
|---|---|---|---|---|---|---|
| AWG | No/mm | mm | mm | mm | kg/km | |
| 1 | 18 | 7/0.404 | 1.15 | 1.2 | 10.5 | 100 |
| 1 | 18 | 16/0.254 | 1.15 | 1.2 | 10.5 | 100 |