Belden 3108A EIA Cable

The Belden 3108A multi-conductor EIA Industrial RS-485 PLTC/CM data cable has 22 AWG stranded (7 x 30) tinned copper conductors.

Cable Construction

Number of Pairs: 3
Conductor AWG: 22
Conductor Stranding: 7 x 30
Conductor Material: Tinned Copper
Conductor Diameter 0.030"
Insulation Material: Datalene ® Foam High Density Polyethylene (FHDPE)
Outer Shield Material Layer 1: 100% Beldfoil ® Aluminium Foil Polyester Tape
Outer Shield Material Layer 2: 65% Tinned Copper (TC) Braid
Outer Shield Drain Wire AWG: 22
Outer Shield Drain Wire Stranding: 7 x 30
Drain Wire Conductor Material: Tinned Copper (TC)
Outer Shield Drain Wire Diameter: 0.030"
Outer Jacket Material: Polyvinyl Chloride (PVC)
Cable Colour Code: 1: White/Blue Stripe & Blue/White Stripe
2: White/Orange Stripe & Orange/White Stripe
3: White/Green Stripe & Green/White Stripe
Overall Nominal Diameter: 0.374"

Mechanical Properties

Operating Temperature Range: -20°C To +60°C
Non-UL Temperature Rating: 60°C
Bulk Cable Weight: 85 lbs/1000 ft.
Max. Recommended Pulling Tension: 90 lbs.
Min. Bend Radius/Minor Axis: 3.750 in.
NEC/(UL) Specification: CM, PLTC Oil Res II
NEC Articles: 725,800
CEC/C(UL) Specification: CM
EU Directive 2011/65/EU (ROHS II): Yes
EU Directive 2000/53/EC (ELV): Yes
EU Directive 2002/95/EC (RoHS): Yes
EU RoHS Compliance Date (mm/dd/yyyy): 10/01/2005
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
UL Flame Test: UL1685 UL Loading
CSA Flame Test: FT1
Suitability - Indoor: Yes
Suitability - Outdoor: Yes
Plenum: No

Electrical Characteristics (Overall)

Nominal Characteristic Impedance: 120 Ohm
Nominal Inductance (Pair): 0.225 μH/ft
Nom. Capacitance Conductor to Conductor: 11.0 pF/ft)
Nom. Capacitance Cond. to Other Conductor & Shield: 20.9 pF/ft
Nominal Velocity of Propagation: 78%
Nominal Conductor DC Resistance @ 20°C: 17.7 Ohm/1000 ft
Nominal Outer Shield DC Resistance @ 20°C: 1.5 Ohm / 1000 ft
Nominal Attenuation: 1 MHz / 0.5 dB/100ft
Max. Operating Voltage: 300 V RMS
Max. Recommended Current: 2.7 Amps per conductor @ 25°C
Other Electrical Characteristic: Input Impedance/Unfitted Impedance .5 - 10 MHZ, 120 +-12 Ohms

Oil Resistance: Passes Oil Res II Per UL1277, Table 10.17. For CPE jacketed version order YR45287.

Ordering Information

Order No. Cable Length (Ft) Shipping Weight (lbs) Colour Item Description
3108A 0101000 1000 70 Black 3 PR #22 FHDPE SH PVC
3108A 0102000 2000 134 Black 3 PR #22 FHDPE SH PVC
3108A 0105000 5000 355 Black 3 PR #22 FHDPE SH PVC

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