Belden Store
3109DB

Product Number: 3109DB

RS-485, 4 Pr, 22AWG, Str TC, PE Ins, OS+TC Brd, CPE Jkt, CM, PLTC, Sun Res, Dir Bur, Oil Resistant

RS-485, 120 Ohm, 4 pair 22AWG (7x30) tinned copper Datalene® insulaton, Overall Foil + 65% Tinned Copper Braid, CPE jacket, CM, PLTC, SUN RES DIR BUR and oil-resistant

Availability
Global
Status
Active

Ships from and sold by A5 IT.

Specifications

Product Overview

Suitable Applicationsdirect burial, serial communication (RS-485 standard) comprising of PLCs, VFDs, HMIs, motors, RTU, SCADA, etc. within noisy environments over long distance, outdoor such as solar, lighting, etc.

Construction Details

WaterblockingWaterblock Tape
Overall Cable Diameter (Nominal)0.481 in (12.2 mm)

Conductor

ElementPair(s)
No. of Elements4
Size22 AWG
Stranding7x30
MaterialTC - Tinned Copper

Insulation

ElementPair(s)
MaterialPE - Polyethylene (Foam)
Nom. Thickness0.023 in (0.58 mm)
Nom. Insulation Diameter0.075 in (1.9 mm)
Color CodeWhite/Blue Stripe & Blue/White Stripe, White/Orange Stripe & Orange/White Stripe, White/Green Stripe & Green/White Stripe, White/Brown Stripe & Brown/White Stripe
NotesHDPE

Outer Shield

Shield TypeMaterialCoverageDrainwire Type
TapeBi-Laminate (Alum+Poly)100%22 AWG (7x30) TC
BraidTinned Copper (TC)65%

Outer Jacket

MaterialCPE - Chlorinated Polyethylene
Nom. Thickness0.053 in (1.3 mm)
Nom. Diameter0.481 in (12.2 mm)

Electrical Characteristics

Nom Outer Shield DCR2.95 Ohm/1000ft (9.68 Ohm/km)

Electricals

ElementPair(s)
Nom. Conductor DCR14.7 Ohm/1000ft
Nom. Capacitance Cond-to-Cond11 pF/ft (36 pF/m)
Nom. Capacitance Cond-to-Other (Conds + Shield)20.9 pF/ft
Nom. Characteristic Impedence120 Ohm
Nom. Velocity of Prop.78%
Max. Current2.7 Amps per Conductor at 25oC

High Frequency (Nominal/Typical)

ElementPair(s)
Frequency [MHz]1
Nom. Insertion Loss (Attenuation)0.5 dB/100ft

Voltage

UL Voltage Rating300 V (CM, PLTC)

Mechanical Characteristics

Max. Pull Tension80 lbs (36 kg)
Bulk Cable Weight86 lbs/1000ft

Temperature

UL Temperature90°C
Operating-40°C to +90°C
Installation-20°C to +90°C

Bend Radius

Stationary Min.4.8 in (120 mm)
Installation Min.4.8 in (120 mm)

Standards and Compliance

Environmental SuitabilityIndoor, Outdoor, Sunlight Resistance, Oil Resistance
Flammability / Reaction to FireUL 1685 UL Loading, FT1, IEC 60332-1-2
NEC / UL ComplianceArticle 725, Article 800, CM, PLTC
CEC / C(UL) ComplianceCM.
European Directive ComplianceEU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE)
APAC ComplianceChina RoHS II (GB/T 26572-2011)

Product Notes

NotesOil Resistance: Passes Oil Res I & II Per UL1277, Table 10.17

History

Update and RevisionRevision Number: 0.384 Revision Date: 02-05-2026

Resources

Related multi-pair cable