UV-resistant bus cable for Profibus PA (IEC 61158-2, voltage mode, H1)

Construction

• Conductor:                   bare Cu wire
• Core insulation:             expanded PE  
• Core colours:                red and green
• Cores twisted in layers, with optimal lay lengths and blind cores in the voids                                         
• Screened with composite aluminium foil and tinned copper braid
• Outer sheath:                special PVC, flame retardant, resistant to UV radiation
• Sheath colour:               RAL 5015 black

Technical Datas

• Peak operating voltage:      max. 100 V
• Test voltage:                core/core   1000 V
                               core/screen  800 V
• Conductor resistance:        ≤ 23 Ohm/km
• Insulation resistance:       ≥ 10 MOhm x km
• Capacitance:                 ≤ 80 nF/km
• Bending radius:              single bending       > 10 x cable diameter
                               repeated bending     > 15 x cable diameter
• Temperature range:           -10°C to +70°C (UL +60°C)
• Wave impedance at 31.25 kHz: 100 ± 20 Ohm;  nominal value 100 Ohm
• Attenuation at 39 kHz:       ≤ 3 dB/km

Properties

• Flame retardant to IEC 60332-1
• Oil resistant to VDE 0472 part 803
• resistance to UV-radiation
• superior properties in case of fire
• excellent resistance to mineral oils and grease

Available special types

• as stranded conductor 1 x 2 x AWG 18/7 or 1 x 2 x AWG 18/19 or 1 x 2 x 1.5 mm²/7
• UL-listed type
• "SK" type (fast connect)