Product Hierarchy
Product Hierarchy

4543FDZ - OSDP RS485, 4 Pr #22 Str TC, PO Ins, OS, LSZH Jkt, Eca


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

Life Cycle Status: Capability

Product Overview

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

Construction Details

Conductor
ElementNo. of ElementsSizeStrandingMaterial
Pair(s)422 AWG7x30TC - Tinned Copper
Insulation
ElementMaterialNom. ThicknessNom. Insulation DiameterColor 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 TypeMaterialCoverageDrainwire Type
TapeBi-Laminate (Alum+Poly)100%22 AWG (7x30) TC
Outer Jacket
MaterialNom. ThicknessNom. Diameter
LSZH - Low Smoke Zero Halogen (Flame Retardant)0.8 mm (0.031 in)9.80 mm (0.386 in)
Overall Cable Diameter (Nominal): 9.80 mm (0.386 in)

Electrical Characteristics

Electricals
ElementNom. Conductor DCRNom. Capacitance Cond-to-CondNom. Capacitance Cond-to-Other (Conds + Shield)Nom. Characteristic ImpedenceNom. Velocity of Prop.Max. Current
Pair(s)78.7 Ohm/km (24.0 Ohm/1000ft)40 pF/m (12 pF/ft)78 pF/m120 Ohm78%2.0 Amps per Conductor
High Frequency (Nominal/Typical)
ElementFrequency [MHz]Nom. Insertion Loss (Attenuation)
Pair(s)11.64 dB/100m (0.500 dB/100ft)
Voltage
Voltage Rating
300 V

Mechanical Characteristics

Temperature
OperatingInstallationStorage
-30°C To +70°C-15°C To +70°C-30°C To +70°C
Bend Radius
Stationary Min.Installation Min.
49 mm (1.9 in)98 mm (3.9 in)
Max. Pull Tension: 600 N (130 lbf)
Bulk Cable Weight: 76 kg/km (51 lbs/1000ft)

Standards and Compliance

Environmental Suitability: Indoor - Euroclass Eca, Indoor, Non-Halogenated, Sunlight Resistance
Flammability / Reaction to Fire: IEC 60332-1-2
CPR Compliance: CPR Euroclass: Eca
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

Product Notes

Notes: This is a preliminary Technical Design Specification (TDS). The minimum business quantity to offer is 3km for the first order. This product will have Orange as standard color and 305mt 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. Please liaise with your Belden representative for confirmation.

History

Update and Revision: Revision Number: 0.18 Revision Date: 05-07-2025
PDF_913604.pdf
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