Slip ring collector consisting of rings coupled with brushes, designed to allow current to pass from a fixed to a rotating part and used to supply crane motors and cable winders.


  • Suitable for transmitting current with 50/60 Hz frequency.
  • The enclosure has small downward holes for air circulation and to prevent problems due to moisture.
  • The lower support plate is provided with three holes to drain any moisture that may form inside the unit.
  • The enclosure is made of shock-resistant thermoplastic material to prevent contact with live electrical parts.
  • IP protection degree: collector 10A/30A is classified IP22.
  • Extreme temperature resistance: -25°C to +70°C.


  • Up to 40 rings coupled with brushes.
  • Available with 30A line rings only or with 30A line rings and 10A auxiliary rings.
  • Fitted with phosphor bronze or graphite brushes


  • Storage ambient temperature: -40°C/+70°C
  • Operational ambient temperature: -25°C/+70°C
  • Protection degree: IP 22
  • Insulation category: Class I
  • Cable entry: cable clamps M20 – M25
  • Operating positions: any position


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