For RS485 serial data connections in industrial and building control systems specifying a low smoke zero halogen sheath. This 120 ohm family combines tinned copper conductors, foam PE or foam skin PE insulation and four screening arrangements for different signal wiring layouts.
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 |
Conductors : Tinned copper wire, stranded according to IEC 60228 class 2 or class5.
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.
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.
Conductors : Tinned copper wire, stranded according to IEC 60228 class 2 or class5.
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 : Aluminium/polyester tape+copper wire braid.
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.
Conductors : Tinned copper wire, stranded according to IEC 60228 class 2 or class5.
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.
Individual Screen : Individual aluminium/polyester tape.
Overall Screen : Copper wire braid.
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.
Conductors : Tinned copper wire, stranded according to IEC 60228 class 2 or class5.
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 : Copper wire braid.
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 - +90°C
Temperature range during installation (mobile state) : -5°C - +60°C
Minimum bending radius : 8 x 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 | Nominal Cross Sectional Area | No./Nominal Diameter of Strands | Nominal Insulation Thickness | Nominal Sheath Thickness | Approx. Overall Diameter | Approx. Weight |
|---|---|---|---|---|---|---|
| No. | mm² | No/mm | mm | mm | mm | kg/km |
| 1 | 0.22 | 7/0.2 | 0.7 | 1.1 | 5.7 | 45 |
| 2 | 0.22 | 7/0.2 | 0.7 | 1.1 | 9.0 | 80 |
| 4 | 0.22 | 7/0.2 | 0.7 | 1.1 | 10.3 | 112 |
| 1 | 0.50 | 16/0.2 | 0.7 | 1.1 | 6.2 | 57 |
| 2 | 0.50 | 16/0.2 | 0.7 | 1.1 | 10.1 | 103 |
| 4 | 0.50 | 16/0.2 | 0.7 | 1.1 | 11.7 | 153 |
| 1 | 0.75 | 24/0.2 | 0.7 | 1.1 | 6.7 | 66 |
| 2 | 0.75 | 24/0.2 | 0.7 | 1.1 | 10.9 | 123 |
| 4 | 0.75 | 24/0.2 | 0.7 | 1.1 | 12.7 | 187 |
| 1 | 1.00 | 30/0.2 | 0.7 | 1.1 | 6.8 | 72 |
| 2 | 1.00 | 30/0.2 | 0.7 | 1.1 | 11.2 | 131 |
| 4 | 1.00 | 30/0.2 | 0.7 | 1.1 | 13.0 | 203 |
| No.of Pair | Nominal Cross Sectional Area | No./Nominal Diameter of Strands | Nominal Insulation Thickness | Nominal Sheath Thickness | Approx. Overall Diameter | Approx. Weight |
|---|---|---|---|---|---|---|
| No. | mm² | No/mm | mm | mm | mm | kg/km |
| 1 | 0.22 | 7/0.2 | 0.7 | 1.1 | 6.2 | 60 |
| 2 | 0.22 | 7/0.2 | 0.7 | 1.1 | 9.4 | 105 |
| 4 | 0.22 | 7/0.2 | 0.7 | 1.1 | 10.8 | 142 |
| 1 | 0.50 | 16/0.2 | 0.7 | 1.1 | 6.7 | 74 |
| 2 | 0.50 | 16/0.2 | 0.7 | 1.1 | 10.6 | 133 |
| 4 | 0.50 | 16/0.2 | 0.7 | 1.1 | 12.1 | 187 |
| 1 | 0.75 | 24/0.2 | 0.7 | 1.1 | 7.1 | 85 |
| 2 | 0.75 | 24/0.2 | 0.7 | 1.1 | 11.4 | 155 |
| 4 | 0.75 | 24/0.2 | 0.7 | 1.1 | 13.2 | 225 |
| 1 | 1.00 | 30/0.2 | 0.7 | 1.1 | 7.3 | 91 |
| 2 | 1.00 | 30/0.2 | 0.7 | 1.1 | 11.7 | 164 |
| 4 | 1.00 | 30/0.2 | 0.7 | 1.1 | 13.5 | 242 |
| No.of Pair | Nominal Cross Sectional Area | No./Nominal Diameter of Strands | Nominal Insulation Thickness | Nominal Sheath Thickness | Approx. Overall Diameter | Approx. Weight |
|---|---|---|---|---|---|---|
| No. | mm² | No/mm | mm | mm | mm | kg/km |
| 1 | 0.22 | 7/0.2 | 0.7 | 1.1 | 6.4 | 61 |
| 2 | 0.22 | 7/0.2 | 0.7 | 1.1 | 10.2 | 110 |
| 4 | 0.22 | 7/0.2 | 0.7 | 1.1 | 11.7 | 149 |
| 1 | 0.50 | 16/0.2 | 0.7 | 1.1 | 7.0 | 75 |
| 2 | 0.50 | 16/0.2 | 0.7 | 1.1 | 11.4 | 137 |
| 4 | 0.50 | 16/0.2 | 0.7 | 1.1 | 13.2 | 195 |
| 1 | 0.75 | 24/0.2 | 0.7 | 1.1 | 7.5 | 86 |
| 2 | 0.75 | 24/0.2 | 0.7 | 1.1 | 12.3 | 160 |
| 4 | 0.75 | 24/0.2 | 0.7 | 1.1 | 14.3 | 233 |
| 1 | 1.00 | 30/0.2 | 0.7 | 1.1 | 7.6 | 92 |
| 2 | 1.00 | 30/0.2 | 0.7 | 1.1 | 12.6 | 169 |
| 4 | 1.00 | 30/0.2 | 0.7 | 1.1 | 14.7 | 251 |
| No.of Pair | Nominal Cross Sectional Area | No./Nominal Diameter of Strands | Nominal Insulation Thickness | Nominal Sheath Thickness | Approx. Overall Diameter | Approx. Weight |
|---|---|---|---|---|---|---|
| No. | mm² | No/mm | mm | mm | mm | kg/km |
| 1 | 0.22 | 7/0.2 | 0.7 | 1.1 | 6.0 | 56 |
| 2 | 0.22 | 7/0.2 | 0.7 | 1.1 | 9.2 | 99 |
| 4 | 0.22 | 7/0.2 | 0.7 | 1.1 | 10.6 | 134 |
| 1 | 0.50 | 16/0.2 | 0.7 | 1.1 | 6.5 | 69 |
| 2 | 0.50 | 16/0.2 | 0.7 | 1.1 | 10.4 | 125 |
| 4 | 0.50 | 16/0.2 | 0.7 | 1.1 | 12.0 | 179 |
| 1 | 0.75 | 24/0.2 | 0.7 | 1.1 | 6.9 | 80 |
| 2 | 0.75 | 24/0.2 | 0.7 | 1.1 | 11.2 | 147 |
| 4 | 0.75 | 24/0.2 | 0.7 | 1.1 | 13.0 | 216 |
| 1 | 1.00 | 30/0.2 | 0.7 | 1.1 | 7.1 | 86 |
| 2 | 1.00 | 30/0.2 | 0.7 | 1.1 | 11.5 | 156 |
| 4 | 1.00 | 30/0.2 | 0.7 | 1.1 | 13.3 | 233 |
Overall foil, foil plus braid, individual foil plus overall braid, or overall braid constructions.
Separate dimensional tables for 1, 2 and 4 pair versions.
Select the screening family, pair count and conductor size. Use its corresponding table for cable diameter and weight, and coordinate terminations with the RS485 equipment.
BRAIL MVB RS485 Databus Cable, 300/500V, 120 Ohm, EVA Sheathed
FRL MVB RS485 Databus Cable, 300/500V, 120 Ohm, EVA Sheathed
The cable impedance is 120 ohms.
Overall foil; overall foil with braid; individual pair foil with overall braid; or overall copper braid.
The four insulated cores are laid in a quad formation.
The dimension tables list 0.22, 0.50, 0.75 and 1.00 mm² conductors in 1, 2 and 4 pair versions.
Foam PE or foam skin PE insulation is combined with a thermoplastic LSZH sheath; thermosetting LSZH is an option.
