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    Profibus L2 UL FT4

    • Profibus L2 UL FT4 Bus Cables

    Application and Description

    This system cable is used to interconnect L2-BUS components. This cable is an economical solution for the cell and field area. For the information exchange between different automation systems as well as for communication with the connected decentralized field units, serial field bus systems are used. The type described here is suitable for the installation in areas where the FT4 standard (special fire standard "vertical tray") according to UL/CSA applies. For this purpose the line was equipped with a special outer PVC jacket.


    • Type/Area of Application: Fixed Installation, Indoor
    • Cable Construction: 1x2x0.64 mm
    • Inner Conductor Diameter: Copper, bare (AWG 22/1)
    • Conductor Insulation: Foam-skin-PE
    • Conductor Colors: Red, green
    • Stranding Element: 2 conductors + 2 fillers stranded together
    • Shielding: Polyester foil, aluminum-lined
    • Total Shielding: Copper braid, tinned
    • Drain wire: Yes
    • Outer Jacket Material: PVC
    • Outer Diameter: 7.8 mm ± 0.4 mm
    • Outer Jacket Color: Violet

    Electrical Data

    Characteristic Impedance@3-20MHz 150 Ω ± 10 Ω
    Conductor Resistance 55.0 Ohm/km max.
    Insulation Resistance 1.00 GOhm x km min.
    Mutual Capacitance@1 KHz 30.0 nF/km nom.
    Working Voltage Max: 250 V
    Test Voltage 1.5 KV
    Attenuation 9.6 kHz < 2.5 dB/km
      38.4 kHz < 4.0 dB/km
      4.0 MHz < 22.0 dB/km
      16 MHz < 42 dB/km

    Technical Data

    Weight approximately 69.0 kg/km
    Min. Bending Radius (Laying) 15 x OD mm
    Operating Temp.Range, min. -40 °C
    Operating Temp.Range, max. +70 °C
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