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Transformer Protection Relay


  • Two-terminal transformer protection with restricted earth fault (REF) plus voltage, frequency, and power elements
  • Power supply: 110/250 Vdc or 110/240 Vac
  • Single 10/100BASE-T Ethernet and EIA-232
  • One 4 digital inputs (DI)/4 digital outputs (DO) and 125 Vdc/Vac DI plus electromechanical DO card
  • 3-phase 300 Vac inputs
  • Protocols include: Modbus RTU, Mirrored Bits communications, Fast Meter, Fast Operate, Fast SER, and Fast Message
Current Inputs 5 A phase/5 A neutral1 A phase/1 A neutral
Sales Item Number 787#0101 787#0102
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