Frequency monitoring relay RF20
panel-mount

frequency monitoring relay
frequency monitoring relay
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Characteristics

Measured/monitored value
frequency
Mounting
panel-mount

Description

Relay for monitoring of the supply frequency Nominal frequency selectable 50 Hz or 60 Hz Adjustable bandwidth from 1 to 10 Hz Selectable reaction delay 0.1 sec. or 1 sec. 1- or 2-pole relay output Made in accordance with the CE and EMC regulations The C-mac frequency relay type RF20 is used for monitoring of the supply frequency, f.inst. in connection with generator controls. By means of connections on the relay base you can select between nominal frequency of 50 or 60 Hz and reaction delay 0.1 sec. or 1 sec.On the built-in potentiometer, the bandwidth is adjustable between +/- 0.5 Hz and +/- 5 Hz. If the supply frequency is within the adjusted bandwidth, the relay is activated, and if the frequency is outside the limits, the output relay releases after the selected reaction delay.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.