Profibus L2 UL FT4 
Applications :
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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.
Construction :
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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 8.0 mm ± 0.4 mm Outer Jacket Color Violet
Electrical Data :
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Characteristic Impedance@ -20Hz 150 Ω ± 10 Ω Conductor Resistance 55.0 Ohm/km max. Insulation Resistance 1.00 GOhm x km min. Mutual Capacitance@1KHz 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 16.0 MHz < 45.0 dB/km
Technical Data :
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Weight approximately 66.0 kg/km Min. Bending Radius for Laying 15 x OD mm Operating Temperature Range, min. -40 °C Operating Temperature Range, max. +70 °C