Belden 3105A Multi-Pair Cable


3105A RS-485, 1 Pr, 22AWG, Str TC, PE Ins, OS+TC Brd, PVC Jkt, CM, PLTC, Sun Res, Oil Resistant
RS-485, 120 Ohm, 1 pair 22AWG (7×30) tinned copper Datalene® insulaton, Overall Foil + 65% Tinned Copper Braid, PVC jacket, CM, PLTC, SUN RES and oil-resistant

SKU: 3105A Categories: ,


Product Overview
Suitable Applications harsh environment, IIoT, factory or process automation, video, audio, data communication, etc.
Construction Details
Element Number of Element AWG Stranding Material
Pair(s) 1 22 7×30 TC – Tinned Copper
Element Material Thickness Nom. Insulation Diameter Color Code Notes
Pair(s) PE – Polyethylene (Foam) 0.029 in 0.087 White/Blue Stripe & Blue/White Stripe HDPE
Outer Shield Material
Shield Type Material Coverage Drainwire Type
Tape + Braid Bi-Laminate (Alum+Poly) + Tinned Copper (TC) 100% + 65% 22 AWG (7×30) TC
Outer Jacket Material
Material Thickness Nom. Diameter
PVC – Polyvinyl Chloride 0.041 in 0.281 in
Cable Diameter (Nominal) 0.281 in
Electrical Characteristics
Element Nom. Conductor DCR Nom. Capacitance Cond-to-Cond Nom. Capacitance Cond-to-Other (Conds + Shield) Characteristic Impedence Nom. Velocity of Prop. Max. Current
Pair(s) 14.7 Ohm/1000ft 11 pF/ft 20.9 pF/ft 120 Ohm 78% 2.7 Amps per Conductor at 25ºC
Nom. Outer Shield DCR 2.8 Ohm/1000ft
High Frequency (Nominal/Typical)
Element Frequency [MHz] Nom. Insertion Loss
Pair(s) 1 MHz 0.5 dB/100ft
UL Voltage Rating
300 V (CM, PLTC)
Mechanical Characteristics
UL Rating Operating
60°C -20°C to +60°C
Bend Radius
Stationary Min. Installation Min.
6.0 in 6.0 in
Max. Pull Tension 200 lbs
Bulk Cable Weight 43 lbs/1000ft
Standards and Compliance
Environmental Suitability Indoor, Sunlight Resistance, Oil Resistance
Flammability / Fire Resistance UL1685 UL Loading, FT1, IEC 60332-1-2
NEC / UL Compliance Article 725, Article 800, CM, PLTC
CEC / C(UL) Compliance CM
CPR Euroclass Eca
European Directive Compliance EU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE)
APAC Compliance China RoHS II (GB/T 26572-2011)


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