Product Hierarchy
Product Hierarchy

9843NH - RS485, 3 Pr #24 Str TC, PE Ins, OS+TC Brd, LSZH Jkt, Dca


RS485 3-Pair, 24 AWG stranded (7x32) TC conductors, polyethylene insulation, twisted pairs, overall Beldfoil® (100% coverage) + TC braid shield (90% coverage), 24 AWG stranded TC drain wire, LSZH jacket, Flame resistance IEC 60332-3C

Product Overview

Suitable Applications: RS-485, POS; Computer communications; Low Voltage Analog Signals (4-20ma, 0-10v, ...); Low Voltage Digital Control (24v, …); Line Level Audio; Panel Wiring; serial communication (RS-485 standard) comprising of PLCs, VFDs, HMIs, motors, RTU, SCADA, etc. within noisy environments over long distance, etc.

Construction Details

Conductor
ElementNo. of ElementsSizeStrandingMaterial
Pair(s)324 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, White/Orange & Orange/White, White/Green & Green/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)0.9 mm (0.035 in)9.1 mm (0.36 in)
Overall Cable Diameter (Nominal): 9.10 mm (0.358 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%1.54 Amps per Conductor
Nom. Outer Shield DCR: 7.7 Ohm/km (2.3 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.
45 mm (1.8 in)91 mm (3.6 in)
Max. Pull Tension: 470 N (110 lbf)
Bulk Cable Weight: 95 kg/km (64 lbs/1000ft)

Standards and Compliance

Environmental Suitability: Indoor - Euroclass Dca, Indoor, Non-Halogenated, Sunlight Resistance, Oil Resistance
Flammability / Reaction to Fire: IEC 60332-1-2, IEC 60332-3-24
CPR Compliance: CPR Euroclass: Dca-s2,d2,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
Other Standard Compliance(s): DMX-512

History

Update and Revision: Revision Number: 0.231 Revision Date: 04-08-2025

Part Numbers

Variants
Item #ColorPutup TypeLengthEAN
9843NH.00305ChromeReel305 m8719605023360
9843NH.00500ChromeReel500 m8719605023377
9843NH.001000ChromeReel1,000 m8719605023353
Date: 2005-01-01
Belden Cables, Wires and Accessories for Industrial Applications_Original_87238-1.pdf
Belden-NPI-RS-485-Product-Bulletin-2022-04.pdf
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