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The cables are designed for RS485 data connections. It combines low capacitance insulation and screening to provide high speed, interference free and data transmission. The galvanized steel wire braid armor provides excellent protection. The LSZH sheath can reduce toxic smoke and fume emission.
Basic design adapted to EIA/TIA 485
| Flame Retardance (Single vertical wire or cable test) | IEC 60332-1-2; EN 60332-1-2 |
| Reduced Fire Propagation (Vertically-mounted bundled wires & cables test) | IEC 60332-3-24; EN 60332-3-24 |
| Halogen Free | IEC 60754-1; EN 50267-2-1 |
| No Corrosive Gas Emission | IEC 60754-2; EN 50267-2-2 |
| Minimum Smoke Emission | IEC 61034-2; EN 61034-2 |
| CPR Compliance | B2ca,Cca |
Conductors : Stranded Annealed Tinned Copper.
Insulation : Foam PE or foam skin PE.
Cabling Elements : Insulated cores are twisted to form pairs with varying lay length to minimize crosstalk.
Two pair cable had four cores laid in quad formation.
Cabling : Pairs are cabled together in concentric layers.
Overall Screen : Aluminum/polyester tape with tinned copper drain wire.
Braiding : Tinned copper wire braid.
Inner Sheath : LSZH compound. Black color.
Armor : Galvanized steel wire braid with 85% coverage.
Outer Sheath : Thermoplastic LSZH compound type LTS3 as per BS 7655-6.1 (Thermosetting LSZH compound type SW2-SW4 as per BS 7655-2.6 can be offered).
Outer Sheath Option : UV resistance, hydrocarbon resistance, oil resistance, anti-rodent and anti-termite properties can be offered as option.
Temperature range during operation (fixed state) : -20°C - +70°C
Temperature range during installation (mobile state) : -5°C - +60°C
Minimum bending radius : 15 × Overall Diameter
| 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 | Conductor Size | No./Nominal Diameter of Strands | Nominal Insulation Thickness | Approx. Overall Diameter |
|---|---|---|---|---|
| No. | no./mm | mm | mm | |
| 1 | 18 | 7/0.4 | 0.56 | 11.5 |
| 2 | 18 | 7/0.4 | 0.56 | 14.5 |
| 4 | 18 | 7/0.4 | 0.56 | 17.5 |
| 1 | 20 | 7/0.32 | 0.56 | 11.0 |
| 2 | 20 | 7/0.32 | 0.56 | 13.5 |
| 4 | 20 | 7/0.32 | 0.56 | 15.0 |
| 1 | 22 | 7/0.254 | 0.56 | 10.5 |
| 2 | 22 | 7/0.254 | 0.56 | 12.5 |
| 4 | 22 | 7/0.254 | 0.56 | 14.5 |
| 1 | 24 | 7/0.2 | 0.56 | 10.0 |
| 2 | 24 | 7/0.2 | 0.56 | 12.0 |
| 4 | 24 | 7/0.2 | 0.56 | 14.0 |
+852 6230 0392
Caledonian Cables
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