Cáp Điều Khiển BELDEN ( 9841 ) 1 x 2 x 24AWG | Control RS485

BELDEN 9841
Low Capacitance Computer Cable for EIA RS-485 Applications
UL AWM Style No. 2919

Smar – RS-485

General Description:

24 AWG stranded (7×32) TC conductors, polyethylene insulation, twisted pairs, overall Beldfoil® (100%
coverage) + TC braid shield (90% coverage), 24 AWG stranded TC drain wire, PVC jacket.

Physical Characteristics (Overall)
Conductor
AWG:

# Pairs AWG Stranding Conductor Material
1 24 7×32 TC – Tinned Copper

Total Number of Conductors:  2

Insulation
Insulation Material:

Insulation Material Wall Thickness (in.)
PE – Polyethylene 0.023

Outer Shield
Outer Shield Material:

Layer # Outer Shield Trade Name Type Outer Shield Material Coverage (%)
1 Beldfoil® (w/ shorting fold) Tape Aluminum Foil-Polyester Tape 100
2 Braid TC – Tinned Copper 90

Outer Shield Drain Wire AWG:

AWG Stranding Drain Wire Conductor Material
24 7x#32 TC – Tinned Copper

Outer Jacket
Outer Jacket Material:

Outer Jacket Material Nom. Wall Thickness (in.)
PVC – Polyvinyl Chloride 0.035

Overall Cable
Overall Cabling Fillers: Fibrous Polypropylene
Overall Cabling Lay Length & Direction:

Length (in.) Direction Twists (twist/ft)
2.5 Left Hand 4.800

Overall Nominal Diameter: 0.232 in.

Pair
Pair Color Code Chart:

Color
White/Blue and Blue/White

Mechanical Characteristics (Overall)

  • Operating Temperature Range: -30°C To +80°C
  • Bulk Cable Weight: 36 lbs/1000 ft.
  • Max. Recommended Pulling Tension: 72.300 lbs.
  • Min. Bend Radius/Minor Axis: 2.500 in.

Applicable Specifications and Agency Compliance (Overall)

Applicable Standards & Environmental Programs

  • NEC/(UL) Specification: CM
  • NEC Articles: 800
  • CEC/C(UL) Specification: CM
  • AWM Specification: UL Style 2919 (30 V 80°C)
  • EU Directive 2011/65/EU (ROHS II): Yes
  • EU CE Mark: Yes
  • EU Directive 2000/53/EC (ELV): Yes
  • EU Directive 2002/95/EC (RoHS): Yes
  • EU RoHS Compliance Date (mm/dd/yyyy): 01/01/2004
  • EU Directive 2002/96/EC (WEEE): Yes
  • EU Directive 2003/11/EC (BFR): Yes
  • CA Prop 65 (CJ for Wire & Cable): Yes
  • MII Order #39 (China RoHS): Yes
  • Flame Test
  • UL Flame Test: UL1685 UL Loading
  • CSA Flame Test: FT1
  • Suitability
  • Suitability – Indoor: Yes
  • Plenum/Non-Plenum
  • Plenum (Y/N): No
  • Plenum Number: 82841, 89841

Electrical Characteristics (Overall)
Nom. Characteristic Impedance:

Impedance (Ohm)
120

Nom. Capacitance Conductor to Conductor:

Capacitance (pF/ft)
12.8

Nom. Capacitance Cond. to Other Conductor & Shield:

Capacitance (pF/ft)
23

Nominal Velocity of Propagation:

VP (%)
66

Nominal Delay:

Delay (ns/ft)
1.6

Nom. Conductor DC Resistance:

DCR @ 20°C (Ohm/1000 ft)
24

Nominal Outer Shield DC Resistance:

DCR @ 20°C (Ohm/1000 ft)
3.4

Nom. Attenuation:

Freq. (MHz) Attenuation (dB/100 ft.)
1 0.6

Max. Operating Voltage – UL:

Voltage Description
300 V RMS Type CM
30 V RMS AWM2919

Max. Recommended Current:

Description Current
10C temperature rise 2.1 Amps per conductor @ 25°C ambient

Put Ups and Colors:

Item # Putup Ship Weight Color Notes Item Desc
9841 060100  100 FT 4.300 LB CHROME    1 PR #24 PE SH PVC 
9841 0601000  1,000 FT 40.000 LB CHROME  1 PR #24 PE SH PVC 
9841 06010000  10,000 FT 380.000 LB CHROME  1 PR #24 PE SH PVC 
9841 060500  500 FT 20.000 LB CHROME  1 PR #24 PE SH PVC 
9841 0605000  5,000 FT 200.000 LB CHROME    1 PR #24 PE SH PVC 

DATA SHEET

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