ZIV e-NET self | IRS model: self powered relay

Self-Powered Relay for Industry and Utility Secondary Substations

  • Overcurrent and Breaker Failure Protection with Harmonic Blocking
  • Where dependable auxiliary power source is not available, the IRS Relay can be energized either directly from Main Current Transformers, AC/DC Auxiliary Voltage or through the USB Front Port.
  • IRS Self-Powered Relay features Modular and Compact design (1/2 19” rack and 3U-High) easily adaptable to P&C Cabinets and RMUs, Electromagnetic Flag Indicator (two-colour disc showing last status in power-failure conditions), very low consumption (<2,5VA) and very fast start-up: protection units active in less than 100ms.


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