KO-1 overcurrent relay

The type KO-1 high speed overcurrent relay is used to start the transmission of a carrier blocking signal or to trip a breaker for a ground fault in which the direction of power flow is not involved.  

 Why ABB?

  • Long production life, ease of application and reliable protection
  • High quality design
  • 12 year warranty
  • Short lead times
  • Consistent on-time delivery
  • 24/7 customer support

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