Belden 3079ALS Armoured PROFIBUS Cable

The Belden 3079ALS is a low smoke zero halogen steel wire armoured instrumentation and computer cable for data applications such as Profibus.

Cable Construction

Conductor: AWG22 solid bare Copper
Cable Insulation Material: Foam skinned polyethylene
Nominal Insulation Thickness: 0.05mm
Insulation Colour: Red and green
Cable Filler Material: FR-Polypropylene
Cable Filler Diameter: 2.54mm
Cable Filler Colour: White
Foil material: Aluminium / polyester Z-Fold (r)
Foil thickness: 25 / 50 μm
Braiding Material: AWG36 tinned Cu
Braiding Coverage: 65%
Sheath Material: FRNC
Sheath Colour: Chrome (like RAL 7037)
Sheath Thickness: 1.10 ± 0.10 mm
Sheath Diameter: 8.00 ± 0.20 mm
Armoured Material: Single Stee lWire 0.90mm
Armoured Optical Coverage: > 95%
Sheath Material: FRNC
Sheath Colour: Black
Sheath Thickness : 1.30 ± 0.10 mm
Sheath Diameter: 12.40 ± 0.10 mm

Cable Marking : Colour code 2159: black sheath with text ‘BELDEN V 3079ALS 1PR 22AWG SHIELDED LSNH SWA LSNH IEC 332-3C’

Mechanical Properties

Flame Resistance: IEC 60332-3C
Oil Resistance: ASTMD741
Radiation Resistance: IEC544 (CERN)
Application specification: BS 7655 section 6.1 table 1, LTS 3
Halogen content according to IEC754-1 Zero
Corrosivity of fire gasses according to IEC754-2 Conductivity ≤ 100 μS/cm
Corrosivity of fire gasses according to IEC754-2 pH value ≥ 3.5
Installation Temperature: -15 to +80 °C
Operating Temperature (moving installation): -15 to +80 °C
Operating Temperature (fixed installation): -45 to +80 °C
Temperature Range Storage: -45 to +80 °C
Minimum Bending Radius: 15 x cable diameter

Electrical Properties

Nominal resistance conductor: 52 Ω/km
Nominal capacitance conductor to conductor @ 1kHz: 27.9 pF/m
Capacitance unbalance @ 1kHz: < 1000 pF/km
Impedance (3 – 20 MHz): 150 ± 15 Ω
Nominal velocity of propagation: 78 %
Maximum attenuation @ 0.2 MHz: 0.9 dB/100m
Maximum attenuation @ 4 MHz: 2.2 dB/100m
Maximum attenuation @ 16 MHz: 4.5 dB/100m
Test voltage conductor-conductor 2500 VDC, 3 seconds
Test voltage conductor-screen 2500 VDC, 3 seconds
Voltage rating 300 V RMS

Ordering Information

Choice of 500m reel or 1000m reel, ±20% variance

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