Product Hierarchy
Product Hierarchy

9842NH - RS485, 2 Pr #24 Str TC, PO Ins, OS+TC Brd, LSZH Jkt, Dca

RS-485, 2 Pair 24AWG (7x32) Tinned Copper, PO Insulation, Overall Beldfoil®+Tinned Copper Braid(90%) Shield, LSZH Outer Jacket, CPR Dca

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.

Physical Characteristics (Overall)

AWGStrandingMaterialNo. of Pairs
247x32TC - Tinned Copper2
Conductor Count: 4
Total Number of Pairs: 2
MaterialNominal DiameterDiameter +/- ToleranceNominal Wall Thickness
PE - Polyethylene1.73 mm0.05 mm0.02 in
Color Chart
Pair 1White/Blue & Blue/White
Pair 2White/Orange & Orange/White
Outer Shield Material
TypeLayerMaterialMaterial Trade NameCoverage [%]Thickness of FoilDrainwire MaterialDrainwire AWGDrainwire Construction n x D
Tape1Bi-Laminate (Alum+Poly)Beldfoil® (Z-Fold®)100%9 / 23 µmTC - Tinned CopperAWG24/77x32
Braid2Tinned Copper (TC)90%
Outer Jacket Material
MaterialColorNominal DiameterNominal Wall Thickness
LSZH - Low Smoke Zero Halogen (Flame Retardant)Chrome (RAL 7037)8.65 mm0.9 mm

Construction and Dimensions

Lay DirectionTwists
Left Hand12 twist/ft
2 pairs and 2 fillers twisted to cable corePolypropylene (2x) (White, 2.87 mm)

Electrical Characteristics

Conductor DCR
Nominal Conductor DCRNominal Outer Shield DCR
78.7 Ohm/km7.2 Ohm/1000ft
Nom. Capacitance Conductor to ConductorNom. Capacitance Conductor to Other Conductor to Shield
42 pF/m75.5 pF/m
Frequency [MHz]Nominal Characteristic Impedance
1120 Ohm
High Frequency (Nominal/Typical)
Frequency [MHz]Nom. Insertion Loss
1 MHz1.97 dB/100m
Max. Delay SkewNominal DelayNominal Velocity of Propagation (VP) [%]
66 ns/100m1.54 ns/ft66%
ElementMax. Recommended Current [A]
Conductor2.1 Amps per Conductor
Voltage Rating [V]
300 V

Temperature Range

Installation Temp Range: -15°C To +80°C
Storage Temp Range: -45°C To +80°C
Operating Temp Range: -20°C To +80°C
Operating Temp Range (Flexible Install): -15°C To +80°C
Operating Temp Range (Fixed Install): -45°C To +80°C

Mechanical Characteristics

Oil Resistance: IEC 60811-404
Bulk Cable Weight: 49 lbs/1000ft
Max. Pull Tension: 395 N
Min Bend Radius During Installation: 86.5 mm
Min Bend Radius/Minor Axis: 3.25 in


CPR Euroclass: Dca-s2,d2,a1
CENELEC Compliance: EN 50290-2-27

Applicable Environmental and Other Programs

Environmental Space: Indoor - Euroclass Dca
EU Directive Compliance: EU Directive 2003/11/EC (BFR)
EU CE Mark: Yes
EU RoHS Compliance Date (yyyy-mm-dd): 2012-05-10
MII Order #39 (China RoHS): Yes


Suitability - Indoor: Yes
Suitability - Non-Halogenated: Yes
Suitability - Sunlight Resistance: Yes

Flammability, LS0H, Toxicity Testing

IEC Flammability: IEC 60332-1-2 and IEC 60332-3-24
IEC 60754-1 (EN50267-1)- Halogen Amount: Zero
IEC 60754-2 (EN50267-2)- Halogen Acid Gas Amount - Max. Conductivity: 2.5 µS/mm
IEC 60754-2 (EN50267-2)- Halogen Acid Gas Amount - Min. pH: 4.3
IEC 61034-2 (EN 61034-2) (VDE 0482-1034) - Smoke Density Min. Transmittance: 60%


Plenum (Y/N): No

Part Number

Item #ColorPutup TypeLengthUPC/EAN
9842NH.02500BlackReel500 m8719605023308
9842NH.02520BlackReel520 m8719605172129
9842NH.021000BlackReel1,000 m8719605155405
9842NH.022500BlackReel2,500 m8719605023292
9842NH.00152ChromeReel152 m8719605023230
9842NH.00305ChromeReel305 m8719605023254
9842NH 060500ChromeReel500 ft612825259572
9842NH.00500ChromeReel500 m8719605023261
9842NH 0601000ChromeReel1,000 ft612825259565
9842NH 0601000ChromeReel1,000 ft612825259565
9842NH.001000ChromeReel1,000 m8719605023223
9842NH.002500ChromeReel2,500 m8719605023247
9842NH.01305WhiteReel305 m8719605023285
9842NH.01500WhiteReel500 m8719605184795
9842NH.011000WhiteReel1,000 m8719605023278
Footnote: C - CRATE REEL PUT-UP.


Update and Revision: Revision Number: 0.435 Revision Date: 12-22-2020
Date: 2012-05-10
Belden Cables, Wires and Accessories for Industrial Applications_Original_87238-1.pdf
Digital Video Cables_Original_24089.pdf
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