Mains frequency monitoring relay that continuously monitors the supply frequency and trips the relay output when it deviates outside the adjustable window (1–10Hz wide). Selectable for 50Hz or 60Hz nominal frequency. 230VAC supply. Commonly used for generator synchronisation monitoring, UPS output frequency supervision, and mains frequency deviation detection on critical loads.
Note: 11 pin plug-in — requires ZB11 relay base socket (sold separately). For DIN rail retention, add CMAC Spring Clip.
Comadan RF20 Frequency Monitoring Relay – 50/60Hz, 230VAC
Description
Mains frequency monitoring relay that continuously monitors the supply frequency and trips the relay output when it deviates outside the adjustable window (1–10Hz wide). Selectable for 50Hz or 60Hz nominal frequency. 230VAC supply. Commonly used for generator synchronisation monitoring, UPS output frequency supervision, and mains frequency deviation detection on critical loads.
Note: 11 pin plug-in — requires ZB11 relay base socket (sold separately). For DIN rail retention, add CMAC Spring Clip.
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