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  • LEADING PROVIDER

    OF INDUSTRIAL SOLUTIONS

  • PRODUCT BEST RATE
  • NO. 1 EASTERN INDIA
  • LEADING PROVIDER

    OF INDUSTRIAL SOLUTIONS

  • PRODUCT BEST RATE
  • NO. 1 EASTERN INDIA

MRF2

Frequency Protection Relay with df/dt : MRF2

Range

  • Rated data : Nominal voltage UN : 100 V, 230 V, 400 V, Nominal frequency fN : 50/60 Hz, Operating range: 0.05…2.0 x UN
  • Power consumption : <1 VA at UN
  • Thermal rating : continuously 2 x UN
  • Dropout to pickup ratio : f>: > 99.99 % f<: < 100.02 %
  • Dropout time : 30 ms
  • Time lag error class index E : ± 10 ms
  • Minimum operating time : 60 ms
  • allowed interruption of the auxiliary supply without influence to the function of the device : 50 ms
  • Influences on frequency measuring : Aux. voltage : in the range 0.8 < UH / UHN < 1.2 no additional influences to be measured
  • Frequency : no influences
  • Influences on delay time : no additional influences to be measured