Cable for the field buses, 1x2x22 AWG SFTP, in PVC and polyethylene jackets

1 – Jacket
2 – Inner jacket
3 – Shield-foil
4 – Shield-braid
5 – Solid twisted pair
6 – Main load-bearing element
The industrial communications cable designed for application within field buses at the process level, compatible with the bus ProfiBus. The cable includes one twisted pair and two load-bearing elements. The cable is encased in the double aluminum foil and copper sheath shield, covered with the double fire-resistant PVC and polyethylene jacket.

Conducting material: annealed soft electrolytic copper wire, monolithic.
Core insulation: cellular polyolefin
Sheath: multilayer aluminum foil and tinned copper wire sheath
Inner jacket: light-stabilized fire-resistant PVC-compound
Jacket: polyethylene compound

Technical characteristics
Conductor (core) diameter 0.64 mm (22 AWG)
Insulated conductor diameter 2.55 mm (0.10")
Inner jacket thickness 0.8 mm (0.03")
The outer jacket thickness 1.2 mm (0.05")
Cable outer diameter 9.4 mm (0.37")
Cable weight 90 kg/km (319.32 lbs/mile)
Bend radius 150 mm (5.9")
Operation temperature -40°C – +80°C (-40°F – +176°F)

Electrical characteristics:
Direct-current resistance at 20°C (68°F) 55 Ohm/km (88.51 Ohm/mile)
Electric capacity at 31.25 kHz 28 pF/m (8.53 pF/ft)
Wave impedance at 1-20 MHz 150 ± 15 Ohm
Operating voltage 250 V
Attenuation coefficient at 16 MHz 42 dB/km (67.59 dB/mile)
PB-S-PVC/PE Cable for the field buses, 1x2x22 AWG SFTP, in PVC and polyethylene jackets
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