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Frequency
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Monitoring Relays
Frequency
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.
Two adjustable levels of frequency (Fmin, Fmax) in the range of 80 – 120 % Fn.
Adjustable difference level.
Adjustable delay level.
Technical parameters
Circuit monitoring: 1-phase
Adjustable range: 40-60 Hz, 48-72 Hz, 320-480 Hz
Output: 2x CO, 8 A
Housing: 3-MODULE
Power supply: AC 161-500 V (50/60/400 Hz)
Dimensions: 90 x 52 x 65 mm (3.5˝ x 2˝ x 2.6˝)
Download Datasheet
HRF-10 Datasheet
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HRF-10
Frequency monitoring relay
Single-phase, 40-480 Hz
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