Product Hierarchy
Product Hierarchy

9844NH - Low Capacitance Computer Cable for EIA RS-485 Applications


4-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: Instrumentation and computer cable; For EIA RS-485 data transmission applications

Physical Characteristics (Overall)

Conductor
AWGStrandingMaterialNo. of Pairs
247x32TC - Tinned Copper4
Conductor Count: 8
Total Number of Pairs: 4
Insulation
MaterialNominal DiameterDiameter +/- Tolerance
PE - Polyethylene1.73 mm0.05 mm
Color Chart
NumberColor
Pair 1White/Blue & Blue/White
Pair 2White/Orange & Orange/White
Pair 3White/Green & Green/White
Pair 4White/Brown & Brown/White
Outer Shield Material
TypeMaterialMaterial Trade NameCoverage [%]Thickness of FoilDrainwire MaterialDrainwire AWG
TapeAlum / PolyBeldfoil® (Z-Fold®)9 / 23 µmTC - Tinned CopperAWG24/7
BraidTC - Tinned Copper90 %
Outer Jacket Material
MaterialNominal DiameterNominal Wall Thickness
LSZH - Low Smoke Zero Halogen flame retardant9.9 mm0.9 mm

Construction and Dimensions

Cabling
Description
4 pairs twisted to cable core

Electrical Characteristics

Conductor DCR
Nominal Conductor DCRNominal Outer Shield DCR
78.7 Ohm/km6.9 Ohm/km
Capacitance
Nom. Capacitance Conductor to ConductorNom. Capacitance Conductor to Other Conductor to Shield
42 pF/m75.5 pF/m
Impedance
Frequency [MHz]Nominal Characteristic Impedance
1 MHz120 Ohm
High Frequency (Nominal/Typical)
Frequency [MHz]Nom. Insertion Loss
1 MHz1.97 dB/100m
Delay
Nominal DelayNominal Velocity of Propagation (VP) [%]
520 ns/ft66 %
Current
ElementMax. Recommended Current [A]
Conductor2.1 A
Voltage
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 (Flexible Install): -15°C To +80°C
Operating Temp Range (Fixed Install): -45°C To +80°C

Mechanical Characteristics

Oil Resistance: IEC 60811-404
Max Recommended Pulling Tension: 500 N
Min Bend Radius During Installation: 99 mm

Standards

CPR Euroclass: Eca
CENELEC Compliance: EN 50290-2-27

Applicable Environmental and Other Programs

Environmental Space: Indoor - Euroclass Eca
EU RoHS Compliance Date (yyyy-mm-dd): 2005-01-01

Suitability

Suitability - Sunlight Resistance: Yes

Flammability, LS0H, Toxicity Testing

ISO/IEC Flammability: IEC 60332-1-2 and IEC 60332-3-24
Amount of Halogen acc. to IEC 60754-1 & EN50267-1: Zero

Part Number

Variants
Item #ColorPutup TypeLengthEAN
9844NH.011000BlackReel1,000 m8719605155733
9844NH.012000BlackReel2,000 m8719605145284
9844NH.00305ChromeReel305 m8719605023452
9844NH.00500ChromeReel500 m8719605023469
9844NH.001000ChromeReel1,000 m8719605023445

History

Update and Revision: Revision Number: 0.180 Revision Date: 04-28-2020
Date: 2005-01-01
Belden Cables, Wires and Accessories for Industrial Applications_Original_87238-1.pdf
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