Product Number: 4442FDZ

OSDP RS485, 3 Pr #20 Str TC, PO Ins, OS, LSZH Jkt, Eca

OSDP RS-485, 3 Pair AWG 20 Tinned Copper - Stranded, Polyolefin (PO, PE, PP) insulation, Foil + drainwire shielding, LSZH / FRNC jacket ,Eca

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    Capability
4442FDZ
  • 4442FDZ
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Specifications

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Suitable Applications

Instrumentation and computer cable. For OSDP EIA RS-485 transmissions applications

Conductor

Element No. of Elements Size Stranding Material
Pair(s) 3 20 AWG 7x28 TC - Tinned Copper

Insulation

Element Material Nom. Thickness Nom. Insulation Diameter Color Code
Pair(s) PE - Polyethylene (Foam) 0.82 mm (0.032 in) 2.60 mm (0.102 in) White/Blue & Blue/White, White/Orange & Orange/White, White/Green & Green/White

Outer Shield

Shield Type Material Coverage Drainwire Type
Tape Bi-Laminate (Alum+Poly) 100% 22 AWG (7x30) TC

Outer Jacket

Material Nom. Thickness Nom. Diameter
LSZH - Low Smoke Zero Halogen (Flame Retardant) 1.0 mm (0.039 in) 11.7 mm (0.461 in)

Overall Cable Diameter (Nominal)

11.6 mm (0.457 in)

Electricals

Element Nom. Conductor DCR Nom. Capacitance Cond-to-Cond Nom. Capacitance Cond-to-Other (Conds + Shield) Nom. Characteristic Impedence Nom. Velocity of Prop. Max. Current
Pair(s) 36 Ohm/km (11 Ohm/1000ft) 40 pF/m (12 pF/ft) 78 pF/m 120 Ohm 78% 2.7 Amps per Conductor

High Frequency (Nominal/Typical)

Element Frequency [MHz] Nom. Insertion Loss (Attenuation)
Pair(s) 1 1.45 dB/100m (0.442 dB/100ft)

Voltage

Voltage Rating
300 V

Temperature

Operating Installation Storage
-30°C To +70°C -15°C To +70°C -30°C To +70°C

Bend Radius

Stationary Min. Installation Min.
58 mm (2.3 in) 116 mm (4.57 in)

Max. Pull Tension

650 N (150 lbf)

Bulk Cable Weight

101 kg/km (67.9 lbs/1000ft)

Environmental Suitability

Indoor - Euroclass Eca, Indoor, Non-Halogenated, Sunlight Resistance

Flammability / Reaction to Fire

IEC 60332-1-2

CPR Compliance

CPR Euroclass: Eca

ISO/IEC Compliance

IEC 61034-2 - Smoke Density Min Transmittance = 60%

CENELEC Compliance

EN 50290-2-20

European Halogen Free Standards

IEC 62821-1 Halogen Free Compliance = Yes, IEC 60754-1 - Halogen Amount = Zero, IEC 60754-2 - Halogen Acid Gas Amount - Max. Conductivity = 2.5 µS/mm, IEC 60754-2 - Halogen Acid Gas Amount - Min. pH = 4.3

European Directive Compliance

EU CE Mark

UK Regulation Compliance

UKCA Mark

Notes

This is a preliminary Technical Design Specification (TDS). The minimum business quantity to offer is 3km for the first order. This product will have Orange as standard color and 305mt as standard put-ups. Additional options for colors and put-ups are available on special request. The estimated production lead time for the first order will be similar to the production lead time of 4541FDW. Please liaise with your Belden representative for confirmation.

Update and Revision

Revision Number: 0.20 Revision Date: 05-07-2025

Update and Revision

Revision Number: 0.20 Revision Date: 05-07-2025


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