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RAIG/RXIG - Overcurrent relay and protection

The current measuring relay type RXIG is a static, instantaneous ac current relay which can be used as over- or undercurrent protection. The instantaneous and time delayed overcurrent protections with RXIG are used in a number of different applications, such as:

  • Short-circuit protection
  • Earth-fault protection
  • Capacitor bank unbalance protection
  • Generator interturn short-circuit protection
  • Blockable overcurrent relays for busbar protection
  • Special applications, such as blocking of tap changer regulation

 There are three versions of RXIG available:

  • RXIG 21 with straight frequency characteristic
  • RXIG 22 which has reduced sensitivity to higher frequencies
  • RXIG 28 with extra low ac power consumption

 The overcurrent protections RAIG are built-up based upon the overcurrent relay RXIG 2. RAIG is available in several versions, with and without time-lag relay and with different duty on trip outputs.

Main Features:

  • Test switch and trip indication included as standard
  • Version with heavy- and medium-duty trip output
  • Total setting range of 2,5 mA to 45 A
  • High reset ratio enables a setting close to maximum service values
  • High continuous current carrying capacity 
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