Frequency Relays, N22-FR

The N22 series Frequency relays monitors the frequency of the Line. When

frequency goes out of the range selected on the dial , the relay status will change .

The relays are provided with time delays . The relay can be configured to use as

under or Over frequency Protection by user, which in turn automatically selects

respective setting range for tripping. Also relay has wide auxiliary power supply

range from 90 to 270V AC/DC. user can also define the type of operation, viz

NORMAL or FAIL SAFE.