ABB Phase Monitoring Relay 1n/o L1

ABB Phase Monitoring Relay 1n/o L1

Features: Function: Phase failure detection/Over- and undervoltage monitoring/Interrupted neutral monitoring Sub-Function: Phase loss Sub-Function 2: 02 Over- and undervoltage (fixed) Measuring Range: (L-L) 320 … 460 V AC, (L-N) 185 … 265 V AC Time Range: Start-Up Delay 500 ms Rated Control Supply Voltage (Us): (L-L) 320 … 460 V AC, (L-N) 185 … 265 V AC Rated Frequency (f): Supply Circuit 50/60 Hz