Product Hierarchy
Product Hierarchy

4341FDW - OSDP RS485, 2PR #18 Str TC, PO ins, OS, LSZH Jkt, Cca


OSDP RS-485, 2 Pair AWG 18 Tinned Copper - Stranded, Polyolefin (PO, PE, PP) insulation, Foil + drainwire shielding, LSZH / FRNC jacket ,Cca

Product Overview

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

Construction Details

Conductor
ElementNo. of ElementsSizeStrandingMaterial
Pair(s)218 AWG7x26TC - Tinned Copper
Insulation
ElementMaterialNom. ThicknessNom. Insulation DiameterColor Code
Pair(s)PE - Polyethylene (Foam)0.90 mm (0.035 in)3.0 mm (0.12 in)White & Orange, Orange & White, White & Blue, Blue & 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)1.2 mm (0.047 in)12.7 mm (0.500 in)
Overall Cable Diameter (Nominal): 12.7 mm (0.500 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)21 Ohm/km (6.4 Ohm/1000ft)36 pF/m (11 pF/ft)65 pF/m120 Ohm78%4.0 Amps per Conductor
High Frequency (Nominal/Typical)
ElementFrequency [MHz]Nom. Insertion Loss (Attenuation)
Pair(s)11.30 dB/100m (0.396 dB/100ft)
Voltage
Voltage Rating
300 V

Mechanical Characteristics

Temperature
OperatingInstallationStorage
-45°C To +70°C-15°C To +70°C-45°C To +70°C
Bend Radius
Stationary Min.Installation Min.
62 mm (2.4 in)125 mm (4.92 in)
Max. Pull Tension: 700 N (160 lbf)
Bulk Cable Weight: 118 kg/km (79.3 lbs/1000ft)

Standards and Compliance

Environmental Suitability: Indoor - Euroclass Cca, Indoor, Non-Halogenated, Sunlight Resistance
Flammability / Reaction to Fire: IEC 60332-1-2
CPR Compliance: CPR Euroclass: Cca-s1,d1,a1
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, IEC 61034-2 - Smoke Density Min. Transmittance = 60%
European Directive Compliance: EU CE Mark
UK Regulation Compliance: UKCA Mark

History

Update and Revision: Revision Number: 0.29 Revision Date: 12-24-2025
PDF_913604.pdf
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