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Electronic devicesFrequency monitoring relay

HRF-10Frequency monitoring relay

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Type Sequence Over
(max)		 менее
(мин)		 Failure Sequence Asymmetry Cos-φ Type Function Supply (V)
AC DC Window Hysteresis Supply voltage Galvanic. separated.
HRF-10             0 

HRF-10:Frequency monitoring relay

  • The relay is designed for monitoring frequency of AC voltage, e.g. in photovoltaic power stations, generators
  • The monitored frequency 50/60/400 Hz is selected by a switch
  • Supply from monitored voltage
  • Two adjustable levels of frequency (Fmin, Fmax) in the range of 80 - 120% Fn
  • Adjustable diff erence level
  • Adjustable delay level
  • Switchable ranges of rated frequency Fn
Full size
 

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