Carlo Gavazzi Frequency, Voltage Monitoring Relay, 3 Phase, SPDT, DIN Rail

The Carlo Gavazzi voltage and frequency monitoring relay can operate on both 3P and 3P+N systems, monitoring phase loss and phase sequence, overvoltage and undervoltage, voltage asymmetry and tolerance. The power supply is provided by the monitored mains. It has two independent delay functions, up to 30s, for over/under voltage and asymmetry/tolerance alarms.

Wide input voltage range and frequency
Adjustable voltage levels, asymmetry, tolerance and time delay
Adjustable power ON delay
Output and status LED indication
Ultra-high harmonic immunity