Product Number: 4543FDW

OSDP RS485, 4 Pr #22 Str TC, PO Ins, OS, LSZH Jkt, Cca

OSDP RS-485, 4 Pair 22AWG (7x30) Tinned Copper, PO Insulation, Overall Beldfoil®+Tinned Copper drainwire, LSZH Outer Jacket, CPR Cca

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4543FDW
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Specifications

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Suitable Applications

Instrumentation and computer cable. For OSDP EIA RS-485 transmissions applications

Conductor

Element No. of Elements Size Stranding Material
Pair(s) 4 22 AWG 7x30 TC - Tinned Copper

Insulation

Element Material Nom. Thickness Nom. Insulation Diameter Color Code
Pair(s) PE - Polyethylene (Foam) 0.6 mm (0.024 in) 1.95 mm (0.0768 in) White/Blue & Blue/White, White/Orange & Orange/White, White/Green & Green/White, White/Brown & Brown/White

Outer Shield

Shield Type Material Coverage Drainwire Type
Tape Bi-Laminate (Alum+Poly) 100% 22 AWG (7x30) TC

Outer Jacket

Material Nom. Thickness Nom. Diameter
LSZH - Low Smoke Zero Halogen (Flame Retardant) 1.1 mm (0.043 in) 10.20 mm (0.4016 in)

Overall Cable Diameter (Nominal)

10.2 mm (0.402 in)

Electricals

Element Nom. Conductor DCR Nom. Capacitance Cond-to-Cond Nom. Capacitance Cond-to-Other (Conds + Shield) Nom. Characteristic Impedence Nom. Velocity of Prop. Max. Current
Pair(s) 78.7 Ohm/km (24.0 Ohm/1000ft) 40 pF/m (12 pF/ft) 78 pF/m 120 Ohm 78% 2.0 Amps per Conductor

High Frequency (Nominal/Typical)

Element Frequency [MHz] Nom. Insertion Loss (Attenuation)
Pair(s) 1 1.64 dB/100m (0.500 dB/100ft)

Voltage

Voltage Rating
300 V

Temperature

Operating Installation Storage
-45°C To +70°C -15°C To +70°C -45°C To +70°C

Bend Radius

Stationary Min. Installation Min.
51 mm (2.0 in) 102 mm (4.02 in)

Max. Pull Tension

600 N (130 lbf)

Bulk Cable Weight

90 kg/km (60 lbs/1000ft)

Environmental Suitability

Indoor - Euroclass Cca, Indoor, Non-Halogenated, Sunlight Resistance

Flammability / Reaction to Fire

IEC 60332-1-2

CPR Compliance

CPR Euroclass: Cca-s1a,d1,a1

ISO/IEC Compliance

IEC 61034-2 - Smoke Density Min Transmittance = 60%

CENELEC Compliance

EN 50290-2-20

European Halogen Free Standards

IEC 62821-1 Halogen Free Compliance = Yes, IEC 60754-1 - Halogen Amount = Zero, IEC 60754-2 - Halogen Acid Gas Amount - Max. Conductivity = 2.5 µS/mm, IEC 60754-2 - Halogen Acid Gas Amount - Min. pH = 4.3

European Directive Compliance

EU CE Mark

UK Regulation Compliance

UKCA Mark

Notes

This is a preliminary Technical Design Specification (TDS) which is subject to modification throughout the prototyping phase. The minimum business quantity to offer is 3km for the first order. This product will have Orange as standard color and 305mt or 500mt as standard put-ups. Additional options for colors and put-ups are available on special request. The estimated production lead time for the first order will be similar to the production lead time of 4541FDW plus extra 6-7 weeks. Please liaise with your Belden representative for confirmation.

Update and Revision

Revision Number: 0.18 Revision Date: 05-07-2025

Update and Revision

Revision Number: 0.18 Revision Date: 05-07-2025


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