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Yangına Dayanıklı Kablolar
LI2Y(St)CH (RS - 485)
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Areas of Use
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.
Cable Construction
- 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
Technical Properties
- 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