BI20

Two Phase Overcurrent + Earth Fault Relay

49, 51, 51N

  • BI20/S : Function 51 Definite time + Function 51N Definite time
  • BI20/I : Function 51 Inverse time + Function 51N Definite time
  • BI20/VI : Function 51 Very Inverse time + Function 51N Definite time
  • BI20/EI : Function 51 Extremely Inverse time + Function 51N Definite time
  • BI20/IM : Function 49 Thermal Image + Function 51N Definite time

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