Highly flexible buscable with PUR outer sheath, for use in different bussystems

For bus systems like e.g. Modbus, SUCOnet, Modulink, VariNet. Flame retardant, UL- approval, Core indet. code DIN 47100. Temperature range from -40°C bis +80°C

LD is a LAPP abbreviation for long distance

Supplementary automation components from LappMechanical and plant engineeringPower chain


Article number Article designationNumber of pairs and mm² per conductorOuter diameter [mm]Copper index (kg/km)Weight (kg/km)Base Unit

Price (base price)

For highly flexible applications
UNITRONIC® BUS LD FD P1 x 2 x 0.2561839
UNITRONIC® BUS LD FD P2 x 2 x 0.257.93365
UNITRONIC® BUS LD FD P3 x 2 x 0.2583977
For highly flexible applications - with UL/CSA CMX certification
UNITRONIC® BUS LD FD P A1 x 2 x 0.256.21839
UNITRONIC® BUS LD FD P A2 x 2 x 0.258.33365
UNITRONIC® BUS LD FD P A3 x 2 x 0.258.43977
Available from stock
In stock in Germany
Not available


  • Suitable for multiple Bus systems based on RS485 / RS422
  • PUR outer sheath, tear and notch-resistant, resistant to mineral oils and abrasion when used in power chains
  • Under consideration of the temperature range also suitable for outdoor use

Application range

  • For highly flexible applications (power chains, moving machine parts)
  • Bus cables for bus systems such as e.g. Modbus, SUCOnet P, Modulink P, VariNet-P)

Product features

  • The stated bit rates result in the following cable lengths (maximum) of one bus segment:
  • 9.6-93.75 kbit/s = 1200m
  • 187.5 kbit/s = max. 1,000 m
  • 500 kbit/s = max. 400 m
  • UV-resistant (but colour may change after some time)

Norm references / Approvals

    UL versions with certification:
    UL/CSA type CMX acc. to UL 444
    and CSA C22.2 no. 214-02
  • Flame-retardant according IEC 60332-1-2

Product Make-up

  • Extra-fine wire strand made of bare copper
  • Colour code DIN 47100
  • Core insulation: PE
  • Overall screening of braided tinned-copper strands
  • Outer sheath: PUR, violet (RAL 4001)

Classification ETIM 5

  • ETIM 5.0 Class-ID: EC000830
  • ETIM 5.0 Class-Description: Data cable

Classification ETIM 6

  • ETIM 6.0 Class-ID: EC000830
  • ETIM 6.0 Class-Description: Data cable

Mutual capacitance

  • (800 Hz) max. 60 nF/km

Peak operating voltage

  • (not for power applications) 250 V

Conductor resistance

  • (loop): max. 159.8 ohm/km

Minimum bending radius

  • Fixed installation: 6 x core diameter
    One bend at end of core:
    3 x cable diameter
  • Flexing: 15 x outer diameter

Test voltage

  • Core/core: 1500 V rms

Characteristic impedance

  • 100 - 120 Ohm

Temperature range

  • Fixed installation: -40°C to +80°C
  • Flexing: -30°C to +70°C

  • Unless specified otherwise, the shown product values are nominal values. Detailed values (e.g. tolerances) are available upon request.
  • Copper price basis: EUR 150/100 kg. Refer to catalogue appendix T17 for the definition and calculation of copper-related surcharges.
  • Please find our standard lengths at: www.lappkabel.de/en/cable-standardlengths
  • Packaging size: coil ≤ 30 kg or ≤ 250 m, otherwise drum
  • Please specify the preferred type of packaging (e.g. 1 x 500 m drum or 5 x 100 m coils).
  • Modubus is owned by the Modbus-IDA Organisation. SUCOnet P is a registered trademark of the Moeller Group. Modulink P is a registered trademark of Weidmüller GmbH & Co. VariNet is a registered trademark of Pepperl+Fuchs GmbH.
  • Photographs and graphics are not to scale and do not represent detailed images of the respective products.
  • Prices are net prices without VAT and surcharges. Sale to business customers only.