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Firetox Flame Retardant Cables

LSZH Flame Retardant Armored RS 485 Databus Cables


 

APPLICATION:

LSZH Flame Retardant  Armored RS 485 Databus 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.

STANDARDS:

Basic design adapted to EIA/TIA 485

 

LSZH Flame Retardant RS 485 Databus Cables

FIRE PERFORMANCE:

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

CABLE CONSTRUCTION:

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.

PHYSICAL AND THERMAL PROPERTIES:

Temperature range during operation (fixed state): -20°C - +70°C

Temperature range during installation (mobile state): -5°C - +60°C

Minimum bending radius: 15 x Overall Diameter

ELECTRICAL PROPERTIES:

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

CONSTRUCTION PARAMETERS:

RE-02Y(St)HGSWBH

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

Note: The parameters listed above are nominal values as per cable standards. Actual values may vary due to material and manufacturing process variations. For precise specifications or customized requirements, please contact us for further information