• The relay serves to monitor frequency of AC voltage, e.g. in photovoltaic
power stations, generators.
• The monitored frequency 50 / 60 / 400 Hz is selected by a switch.
• Supplied 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.
• 3-MODULE design, DIN rail mounting
Frequency monitoring relay – HRF-10
- THE RELAY IS DESIGNED FOR MONITORING FREQUENCY OF AC VOLTAGE, E.G. IN PHOTOVOLTAIC POWER STATIONS, GENERATORS
- ADJUSTABLE DIFFERENCE AND DELAY LEVEL.
- SWITCHABLE RANGES OF RATED FREQUENCY FN.
- SUPPLY FROM MONITORED VOLTAGE.
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