Indoor disconnectors, loadbreak and earthing switches

Indoor load break switches QDS

The QDS disconnector switches (load break switches) are switching devices used to switch electrical circuits in load operating state. They find usage in switchgear cabinets and MV switching stations of indoor type. Modular design allows easy and cost effective maintenance.

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    Technical information

  • Rated voltage
    1 – 25 kV
  • Rated current
    100 – 2000 A
  • Rated shorttime current 1s (3s)
    16 – 40 kA
  • Rated dynamic current
    40 – 100 kA
  • Rated making short circuit current
    12,5 kA
  • Rated frequency
    50 Hz
  • Mechanical endurance
    2000 C-O
  • Minimum lifetime (years)
    40
  • Drive type
    Hand drive, Hand drive via gearbox, motor drive
  • Motor type
    12V DC, 24V DC, 48V DC, 60V DC, 110V DC, 220V DC, 230V AC, 400V AC
  • Signaling positions
    Limit switches per position, placed direct on main device shaft, Auxiliary cam-switch (high switch capacity)
  • Insulators type
    Epoxy resin, porcelain (upon request)

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