Product Number: 4640FDZ

OSDP RS485, 1 Pr #24 Str TC, PO Ins, OS, LSZH Jkt, Eca

OSDP RS-485, 1 Pair 24AWG (7x32) Tinned Copper, PO Insulation, Overall Beldfoil®+drainwire, LSZH Outer Jacket, CPR Eca

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    Capability
4640FDZ
  • 4640FDZ
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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) 1 24 AWG 7x32 TC - Tinned Copper

Insulation

Element Material Nom. Thickness Nom. Insulation Diameter Color Code
Pair(s) PE - Polyethylene (Foam) 0.4 mm (0.016 in) 1.40 mm (0.0551 in) White & Blue, Blue & White

Outer Shield

Shield Type Material Coverage Drainwire Type
Tape Bi-Laminate (Alum+Poly) 100% 24 AWG (7x32) TC

Outer Jacket

Material Nom. Thickness Nom. Diameter
LSZH - Low Smoke Zero Halogen (Flame Retardant) 0.6 mm (0.024 in) 4.10 mm (0.161 in)

Overall Cable Diameter (Nominal)

5.10 mm (0.201 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) 42 pF/m (13 pF/ft) 75.5 pF/m 120 Ohm 78% 2.1 Amps per Conductor

High Frequency (Nominal/Typical)

Element Frequency [MHz] Nom. Insertion Loss (Attenuation)
Pair(s) 1 1.97 dB/100m (0.600 dB/100ft)

Voltage

Voltage Rating
300 V

Temperature

Operating Installation Storage
-30°C To +70°C -15°C To +70°C -30°C To +70°C

Bend Radius

Stationary Min. Installation Min.
20 mm (0.79 in) 41 mm (1.6 in)

Max. Pull Tension

150 N (34 lbf)

Bulk Cable Weight

22 kg/km (15 lbs/1000ft)

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

Notes

This is a preliminary Technical Design Specification (TDS). The minimum business quantity to offer is 9km 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.

Update and Revision

Revision Number: 0.19 Revision Date: 07-15-2025

Update and Revision

Revision Number: 0.19 Revision Date: 07-15-2025


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