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RAHB/RXHB - Compact breaker failure relay and protection assemblies

The compact current relay RXHB 411 has a wide application range as an important part of the backup protection for feeders and lines, transformers, capacitor banks, electric boilers as well as for generators and motors.

Main Features:

  • Three-phase compact numerical breaker failure relay
  • Single- and three-phase breaker failure protection
  • Pole disagreement protection

RXHB 411 is available in four different versions:

  • Basic version
  • Basic version together with overcurrent and earth-fault protection
  • Basic version together with binary I/O option
  • Basic version together with overcurrent and earth-fault protection and binary I/O option

Options:

  • Phase overcurrent protection with two stages and definite time delay
  • Earth-fault protection with two stages and definite time delay
  • 4 additional inputs and 4 additional outputs 

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The power of one - Relion® 670 and 650 series

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