Requirements for signal cables for backup operation, multifunction relay (MFR), and fast stop


The cable length and quality affect the quality of the signal. Observe the following cable requirements:

  • Conductor type: copper wire
  • The conductors must be solid or stranded wire.
  • Conductor cross-section: from 0.2 mm2 to 1.5 mm2
  • External outer diameter: max. 9 mm
  • Insulation stripping length: 8 mm to 10 mm
  • Nominal voltage: at least 600 V
  • Maximum cable length: 200 m
  • UV-resistant for outdoor use
  • The cable type and cable-laying method must be appropriate for the application and location.