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LI2Y(St)CH (RS - 485)

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  • Long-Lasting Use

  • Trouble-Free Operation

  • Effective and Profitable

  • Flexible and Convenient

Areas of Use Cable Construction Technical Properties

Used in industrial automation systems for computer networks and electronic control systems for data transmission. Provides longer transmission lengths and larger data rates compared to  RS 232-422. HFFR versions are less flammable in case of fire, mostly self-extinguishing, have low smoke density and they do not emit poisonous and corrosive gasses during a fire.
  • Conductor 0.22 mm² Stranded Tinned Copper (7x0.20 mm AWG 24), 0.34 mm² Stranded Tinned Copper (7x0.25 mm AWG 22)
  • Insulation PE (EN 50290-2-23, VDE 0207-2YI1)
  • Core Colors DIN 47100
  • Lay-up Cores are twisted as pairs and pairs are stranded in layers
  • Separator PET Foil
  • 1. Screen Al-PET Foil (with stranded tinned copper drain wire)
  • 2. Screen Tinned Copper Wire Braid
  • Outer Sheath HFFR (EN 50290-2-27), RAL 7001 - Grey
  • Operating Voltage 300 V
  • Test Voltage 1200 V
  • Velocity of Propagation 0,66
  • Insulation Resistance >5000 M.Ωxkm
  • Capacitance (@800Hz) Core - Core: ≤45 nF/km, Core - Cores - Screen: ≤80 nF/km
  • Characteristic Impedance 120±10 Ω
  • Loop Resistance AWG 24: ≤182 Ω/km; AWG 22: ≤115 Ω/km; AWG 20: ≤72 Ω/km
  • Temperature Range -30 °C........+70 °C
  • Flame Retardancy IEC/EN 60332-1
  • Smoke Density IEC/EN 61034-1
  • Amount of Halogen Acid Gas IEC/EN 60754-1
  • Corrosive Gases Measurement IEC/EN 60754-2
  • Min. Bending Radius (Fixed) 10 x Cable Diameter