Product Hierarchy
Product Hierarchy

9841LW - RS485, 1 Pr #24 Str TC, PO Ins, OS+TC Brd, LSZH Jkt, Cca


RS-485, 1 Pair 24AWG (7x32) Tinned Copper, PO Insulation, Overall Beldfoil®+Tinned Copper Braid(90%) Shield, LSZH Outer Jacket, CPR Cca

Product Overview

Suitable Applications: Data link standard: RS-485, compatible with RS-422 and RS-232 Protocols: Modbus RTU, CANopen, BACNET MS/TP, DMX512 Signal types: Digital; Low Voltage Analog (4-20ma, 0-10v, ...); Low Voltage Digital Control (24v, …); Line Level Audio; Systems: serial communication (RS-485 standard) comprising of PLCs, VFDs, HMIs, motors, RTU, SCADA, etc.; Panel Wiring ; Audio & Lighting Environnent: Noisy, long distances

Construction Details

Conductor
ElementNo. of ElementsSizeStrandingMaterial
Pair(s)124 AWG7x32TC - Tinned Copper
Insulation
ElementMaterialNom. ThicknessNom. Insulation DiameterColor Code
Pair(s)PE - Polyethylene0.56 mm (0.022 in)1.73 mm (0.0681 in)White/Blue & Blue/White
Outer Shield
Shield TypeMaterialCoverageDrainwire Type
TapeBi-Laminate (Alum+Poly)100%24 AWG (7x32) TC
BraidTinned Copper (TC)90%
Outer Jacket
MaterialNom. ThicknessNom. Diameter
LSZH - Low Smoke Zero Halogen (Flame Retardant)1.10 mm (0.0433 in)6.50 mm (0.256 in)
Overall Cable Diameter (Nominal): 6.50 mm (0.256 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)42 pF/m (13 pF/ft)75.5 pF/m120 Ohm66%2.1 Amps per Conductor
Nom. Outer Shield DCR: 11.0 Ohm/km (3.35 Ohm/1000ft)
High Frequency (Nominal/Typical)
ElementFrequency [MHz]Nom. Insertion Loss (Attenuation)
Pair(s)11.97 dB/100m (0.600 dB/100ft)
Voltage
Voltage Rating
300 V

Mechanical Characteristics

Temperature
OperatingInstallationStorage
-45°C To +80°C-15°C To +80°C-45°C To +80°C
Bend Radius
Stationary Min.Installation Min.
32 mm (1.3 in)65 mm (2.6 in)
Max. Pull Tension: 328 N (73.7 lbf)
Bulk Cable Weight: 61 kg/km (41 lbs/1000ft)

Standards and Compliance

Environmental Suitability: Indoor - Euroclass Cca, Indoor, Non-Halogenated, Sunlight Resistance, Oil Resistance
Flammability / Reaction to Fire: IEC 60332-1-2
CPR Compliance: CPR Euroclass: Cca-s1,d1,a1; CPR UKCA Class: Cca-s1,d1,a1
ISO/IEC Compliance: IEC 61034-2 - Smoke Density Min Transmittance = 80%
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, EU Directive 2011/65/EU (RoHS 2)
UK Regulation Compliance: UKCA Mark
Other Standard Compliance(s): DMX-512

History

Update and Revision: Revision Number: 0.90 Revision Date: 07-04-2025

Part Numbers

Variants
Item #ColorPutup TypeLengthEAN
9841LW.001000
9841LW.00305
9841LW.00500ChromeReel500 m8719605187925
Date: 2005-01-01
Belden-NPI-RS-485-Product-Bulletin-2022-04.pdf
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