Carlo Gavazzi Phase, Voltage Monitoring Relay, 3 Phase, SPDT, 177 → 475V ac, DIN Rail

Carlo Gavazzi DPA01 and PPA01 series three-phase relay for detection of incorrect phase sequence, total and partial phase loss. The relays have a wide supply voltage range from 208 to 690 V ac covered by two multi-voltage relays.

3-phase monitoring relays for phase sequence and phase loss
Detect when all 3 phases are present and have the correct sequence
Measure their own power supply
DIN-rail mounting
LED indication for relay and power supply